<PAGE>   1

                        
                                                                EXHIBIT 10.1(d)




                AMENDMENT NO. 3 AND AFFIRMATION OF GUARANTIES
    
        This Amendment No. 3 and Affirmation of Guaranties (this "Amendment") 
dated as of September 30, 1997 is by and among LDM Technologies, Inc., a
Michigan corporation ("Borrower"), and LDM Holding Canada Inc., a Michigan
corporation ("LDM Holding") and LDM Technologies Company, a Nova Scotia
unlimited liability company ("LDM Canada") (collectively, the "Guarantors"),
and BankAmerica Business Credit, Inc., a Delaware corporation, for itself as a
Lender and as Agent for the Lenders (in its capacities as Lender and as Agent,
"Lender").
        
                                  RECITALS:
    
        WHEREAS, Borrower and Lender are parties to a Loan and Security 
Agreement dated as of January 22, 1997, as amended and otherwise modified prior
to the date hereof (as so amended and modified, and as the same may be further
amended, restated, supplemented or otherwise modified, the "Loan Agreement"),
pursuant to which Lender has made and may hereafter make loans, advances and
other extensions of credit to Borrower;
        
        WHEREAS, Borrower wishes to obtain, and Lender is willing to grant, an 
amendment to the Loan Agreement as set forth herein, subject to the express
terms and conditions specified in this Amendment; and
        
        WHEREAS, this Amendment shall constitute a Loan Document, these 
Recitals shall be construed as part of this Amendment and capitalized terms
used but not otherwise defined in this Amendment shall have the meanings
ascribed to them in the Loan Agreement.
        
        NOW, THEREFORE, in consideration of the foregoing and the agreements, 
promises and covenants set forth below, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged,
the parties hereto agree as follows:
        
1.      Amendment of Loan Agreement.
    
        (a)   Section 1.1 of the Loan Agreement is hereby amended by adding the
following definitions in their proper alphabetical order:
    
              "Appraisals" means those certain appraisals of the Equipment of 
              MB Valuation Services, Inc., copies of which have been delivered 
              to the Borrower and the Lender.
    
              "Eligible Equipment" means all Equipment appraised pursuant to 
              the Appraisals.
    
              "Eligible Equipment Value" means, as of any date of 
              determination an amount equal to the Permitted Percentage as set 
              forth on Exhibit G hereto as of such date of determination
              of (a) the aggregate appraised orderly liquidation value of 
              Eligible Equipment as set forth in the Appraisals, less (b) such 
              reserves as Agent, in the exercise of its reasonable credit 
              judgment, may establish from time to time, less (c)

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             the appraised orderly liquidation value of any such item of 
             Eligible Equipment as set forth in the Appraisals which was sold,
             lost or otherwise disposed of since the date of the last           
             Borrowing Base Certificate.
        
             "Kenco Acquistion" means the acquisition by the Borrower of all 
             of the outstanding capital stock of the Kenco Companies and 
             substantially all of the assets of Narens.
    
             "Kenco Acquisition Agreement" means that certain Stock Purchase 
             Agreement dated as of September 30, 1997, between the Borrower and
             the Kenco Companies, Narens and the parties indicated as
             "stockholders" signatory thereto.
        
             "Kenco Companies" means, collectively, Kenco Kentucky and Kenco 
             Michigan.
    
             "Kenco Kentucky" means Kenco Plastics, Inc., a Kentucky 
             corporation.
    
             "Kenco Michigan" means Kenco Plastics, Inc., a Michigan 
             corporation.
    
             "Narens" means Narens Design & Engineering, Inc., a Michigan 
             corporation.
    
      (b)    Section 1.1 of the Loan Agreement is hereby amended by deleting 
the definitions of Borrowing Base," "Intercompany Loans," "Intercompany Note," 
"LDM Canada Borrowing Base," "Maximum Revolver Amount," "Permitted Liens," and 
"Restricted Investment" and replacing such definitions with the following:
    
             "Borrowing Base" means the sum of:
    
             (a)   up to eighty-five percent (85%) of the Net Amount of 
                   Eligible Accounts of the Borrower; plus
    
             (b)   up to eighty-five percent (85%) of the Net Amount of 
                   Eligible Tooling Receivables of Borrower; plus
    
             (c)   up to sixty percent (60%) of the book value of the 
                   Borrower's Eligible Inventory (valued at the lower of cost 
                   or market on a First-In First-Out basis); provided
                   that advances attributable to this clause (c) shall not 
                   exceed $12,000,000; plus
    
             (d)   the Eligible Equipment Value of Borrower's Eligible 
                   Equipment; less
    
             (i)   reserves established by the Borrower for accrued interest 
                   on outstanding Revolving Loans;
    
             (ii)  a reserve established by the Borrower for customer deposits 
                   reflected on the Borrower's books and records;


    
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        (iii)     reserves established by the Borrower with respect to any 
                  rebate arrangement between the Borrower or any of its
                  Subsidiaries  and the Ford Motor Company or any of its
                  Affiliates; and
        
        (iv)      all other reserves which the Agent in its reasonable credit 
                  judgment deems necessary to establish and maintain with
                  respect to the Borrower's account upon at least one (1)
                  Business Day's prior notice thereof to the Borrower,
                  including, without limitation, any amounts which the Agent
                  may need to pay for the account of the Borrower in order to
                  preserve the value of the Collateral and/or the priority of
                  the Agent's Lien in the Collateral consistent with the terms
                  of this Agreement and the other Loan Documents.
        
        "Intercompany Loans" means the loans made by the Borrower to its 
Subsidiaries in accordance with Section 9.13.
    
        "Intercompany Note" means any demand note executed pursuant to 
Section 9.13 to evidence an Intercompany Loan.
    
        "LDM Canada Borrowing Base" means the sum of:
    
        (a)       up to eighty-five percent (85%) of the Net Amount of Eligible
                  Accounts of LDM Canada; plus
        
        (b)       up to eighty-five percent (85%) of the Net Amount of Eligible
                  Tooling Receivables of LDM Canada; plus
    
        (c)       up to sixty percent (60%) of the book value of LDM Canada's 
                  Eligible Inventory (valued at the lower of cost or market on 
                  a First-In First-Out basis); plus
    
        (d)       the Eligible Equipment Value of LDM Canada's Eligible 
                  Equipment; less
   
        (i)       a reserve for customer deposits reflected on LDM Canada's
                  books and records;
    
        (ii)      reserves established by Agent for unpaid suppliers;
    
        (iii)     reserves established by Agent for goods and services, excise 
                  and sales taxes; and
    
        (iv)      all other reserves which the Agent in its reasonable credit 
                  judgment deems necessary to establish and maintain with
                  respect to LDM Canada's account upon at least one (1)
                  Business Day's prior notice thereof to LDM Canada, including,
                  without limitation, any amounts which the Agent may need to
                  pay


                                      3
    
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                  for the account of LDM Canada in order to preserve the value 
                  of the Collateral and/or the priority of the Agent's Lien in 
                  the Collateral consistent with the terms of this Agreement 
                  and the other Loan Documents.

        "Maximum Revolver Amount" means $65,000,000.

        "Permitted Liens" means:

                  (a)   Liens for taxes not delinquent or for taxes being 
        contested in good faith by appropriate proceedings and as to which 
        adequate financial reserves have been established on Borrower's books 
        and records and a stay of enforcement of any such Lien is in effect;

                  (b)   the Agent's Liens;

                  (c)   deposits under worker's compensation, unemployment 
        insurance, social security and other similar laws, or to secure the 
        performance of bids, tenders or contracts (other than for the repayment
        of borrowed money) or to secure indemnity, performance or other similar
        bonds for the performance of bids, tenders or contracts (other than for
        the repayment of borrowed money) or to secure statutory obligations 
        (other than liens arising under ERISA or Environmental Liens) or 
        surety or appeal bonds, or to secure indemnity, performance or other 
        similar bonds in the ordinary course of business;

                  (d)   Liens securing the claims or demands of materialmen, 
        mechanics, carriers, warehousemen, landlords and other like Persons; 
        provided that the payment thereof is not at the time required by 
        Section 9.1;

                  (e)   reservations, exceptions, encroachments, easements, 
        rights of way, covenants running with the land, and other similar title
        exceptions or encumbrances affecting any Real Estate; provided that 
        they do not in the aggregate materially detract from the value of the 
        Real Estate or materially interfere with its use in the ordinary 
        conduct of the Borrower's business;

                  (f)   judgment and other similar Liens arising in connection 
        with court proceedings; provide that (A) the existence of such Liens 
        is being contested in good faith and by proper proceedings diligently 
        pursued, (B) reserves or other appropriate provision, if any, as are 
        required by GAAP have been made therefor, (C) a stay of enforcement of 
        any such Liens is in effect, (D) the priority of any such Liens is 
        subordinate to that of the Agent's Liens, and (E) the existence of any 
        judgment or court proceedings upon which such Liens are based does not 
        otherwise constitute an Event of Default under this Agreement;

                  (g)   Liens in existence on the Closing Date, after giving 
        effect to the initial

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         Borrowing, and listed on Schedule 9.19, and any extensions or renewals
         thereof, provided that (x) the aggregate principal amount of the Debt,
         if any, secured by such Lien does not increase from that amount
         outstanding at the time of any such renewal or extension and (y) any
         such renewal or extension does not encumber any additional assets or
         properties of the Borrower or any of its Subsidiaries; and

              (h)  Liens securing Intercompany Notes in accordance with Section
         9.13.

         "Restricted Investment"  means any acquisition of property by the
         Borrower or LDM Canada in exchange for cash or other property, whether
         in the form of an acquisition of stock, debt, or other indebtedness or
         obligation, or the purchase or acquisition of any other property, or a
         loan, advance, capital contribution, or subscription, except (A) the
         Borrower may make Intercompany Loans to LDM Canada and the Kenco
         Companies pursuant to Section 9.13, and (B) acquisitions of the
         following: (a) Equipment to be used in the business of the Borrower or
         LDM Canada so long as the acquisition costs thereof constitute Capital
         Expenditures permitted hereunder; (b) goods held for sale or lease or
         to be used by the Borrower or LDM Canada in the ordinary course of
         business; (c) current assets arising from the sale or lease of goods
         or the rendition of services in the ordinary course of business of the
         Borrower or LDM Canada; (d) direct obligations of the United States of
         America, or any agency thereof, or obligations guaranteed by the
         United States of America, provided that such obligations mature within
         one year from the date of acquisition thereof, (e) certificates of
         deposit maturing within one year from the date of acquisition,
         bankers' acceptances, Eurodollar bank deposits, or overnight bank
         deposits, in each case issued by, created by, or with a bank or trust
         company organized under the laws of the United States or any state
         thereof having capital and surplus aggregating at least $ 100,000,000;
         (f) commercial paper given a rating of "A2" or better by Standard &
         Poor's Corporation or "P2" or better by Moody's Investors Service,
         Inc. and maturing not more than 90 days from the date of creation
         thereof; (g) life insurance premiums of up to $1,500,000 per annum for
         life insurance on the lives of the Borrower's principal stockholders;
         (h) loans to employees outstanding as of the Closing Date; (i) loans
         and advances in the ordinary course of business to officers, directors
         and employees for business-related travel expenses, moving expenses
         and other similar expenses in an aggregate principal amount not to
         exceed $250,000 at any time; and (j) the conversion of all or portion
         of the Closing Date Intercompany Note into equity interests of a
         Guarantor (other than LDM Holding).

    (c) Section 2.1 of the Loan Agreement is hereby amended by deleting it in
its entirety and replacing it with the following:

              2.1   Total Facility. Subject to all of the terms and conditions
         of this Agreement, the Lenders severally agree to make available a
         total  credit facility of up to $65,000,000 (the "Total Facility") for
         the Borrower's use from time to time during the term of this
         Agreement. The Total Facility shall be comprised of a revolving line

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         of credit consisting of revolving loans and letters of credit up to
         the Maximum Revolver Amount, as described in Sections 2.2 and 2.4.

    (d) Article 8 of the Loan Agreement is hereby amended by adding the
following subsection at the end thereof

              8.35 Acquistion Agreement.  As of September 30, 1997, the Borrower
         has delivered to the Agent a complete and correct copy of the Kenco
         Acquisition Agreement (including all schedules, exhibits, amendments,
         supplements, modifications, assignments and all other documents
         delivered pursuant thereto or in connection therewith). Neither the
         Borrower nor any other party thereto is in default in the performance
         or compliance with any provisions thereof. The Kenco Acquisition
         Agreement is in compliance with applicable laws and the Kenco
         Acquisition has been consummated in accordance with applicable laws
         and regulations. The Kenco Acquisition Agreement is in full force and
         effect as of September 30, 1997 and has not been terminated, rescinded
         or withdrawn. All requisite approvals by Governmental Authorities
         having jurisdiction over the Borrower or its Subsidiaries, and other
         Persons referenced therein, with respect to the transactions
         contemplated by the Kenco Acquisition Agreement, have been obtained,
         and no such approvals impose any conditions to the consummation of the
         transactions contemplated by the Kenco Acquisition Agreement or to
         the conduct by the Borrower or any Subsidiary of its business
         thereafter. To the best of Borrower's knowledge, none of the sellers'
         representations or warranties in the Kenco Acquisition Agreement
         contain any untrue statement of a material fact or omit any fact
         necessary to make the facts therein not misleading. Each of the
         representations or warranties given by the Borrower in the Kenco
         Acquisition Agreement is true and correct in all material respects.
         Notwithstanding anything contained in the Kenco Acquisition Agreement
         to the contrary, such representations and warranties of the Borrower
         are incorporated into this Agreement by this Section 8.35 and shall,
         solely for purposes of this Agreement and the benefit of the Lenders,
         survive both the consummation of the Kenco Acquisition and the
         termination of the Kenco, Acquisition Agreement.

    (e) Section 9.13 of the Loan Agreement is hereby amended by deleting it in
its entirety and replacing it with the following:

              9.13 Debt. Neither the Borrower nor any of its Subsidiaries shall
         incur or maintain any Debt, other than: (a) the Obligations; (b) trade
         payables and contractual obligations to suppliers and customers
         incurred in the ordinary course of business; (c) Debt consisting of
         Senior Subordinated Notes, provided that the aggregate principal
         amount thereof shall not at any time exceed $110,000,000, (d) Debt
         consisting of intercompany loans and advances made by the Borrower to
         LDM Canada, provided that (i) LDM Canada shall have executed and
         delivered to the Borrower, on the Closing Date, a demand note to
         evidence any such Intercompany

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<PAGE>   7

          Loan, which Intercompany Note shall be in form and substance
          satisfactory to Agent, any security interests granted to the Borrower
          on the assets of LDM Canada to secure the payments under its
          Intercompany Note shall be assigned to the Agent pursuant to
          documentation in form and substance acceptable to the Agent, and such
          Intercompany Note shall be pledged to the Agent pursuant to the
          Pledge Agreement as additional collateral security for the
          Obligations, (ii) the Borrower shall record all such Intercompany
          Loans on its books and records in a manner satisfactory to Agent,
          (iii) at the time any such Intercompany Loans is made by the Borrower
          and after giving effect thereto, each of the Borrower and LDM Canada
          shall be Solvent, (iv) the aggregate outstanding principal amount of
          Intercompany Loans shall not at any one time exceed $17,000,000,
          consisting of the Closing Date Intercompany Loan and additional loans
          not to exceed $1,000,000, plus an amount equal to the sum of (A) an
          amount equal to the lesser of (x) $5,000,000 and (y) LDM Canada's
          Borrowing Base, plus (B) $4,000,000, provided, however, that the
          Intercompany Loans pursuant to clauses (A) and (B) above shall not
          exceed in any fiscal quarter the amount of LDM Canada's EBITDA for
          the immediately preceding fiscal quarter, (e) Debt consisting of
          intercompany loans and advances made by the Borrower to the Kenco
          Companies, provided that (i) such Kenco Company shall have executed
          and delivered to the Borrower, on the initial date of such
          Intercompany Loan, a demand note to evidence any such Intercompany
          Loan, which Intercompany Note shall be in form and substance
          satisfactory to Agent, and such Kenco Company shall have granted to
          the Borrower security interests in the assets of such Kenco Company
          to secure the payments under its Intercompany Note which security
          interests shall be assigned to the Agent pursuant to documentation in
          form and substance acceptable to the Agent, and such Intercompany
          Note shall be pledged to the Agent pursuant to the Pledge Agreement
          as additional collateral security for the Obligations, (ii) the
          Borrower shall record all such Intercompany Loans on its books and
          records in a manner satisfactory to Agent, (iii) at the time any such
          Intercompany Loan is made by the Borrower and after giving effect
          thereto, each of the Borrower and such Kenco Company shall be
          Solvent, (iv) the aggregate outstanding principal amount of
          Intercompany Loans shall not at any one time exceed $7,500,000, and
          (v) at the time any such Intercompany Loan is made by the Borrower
          and after giving effect thereto, no Default or Event of Default shall
          have occurred and be continuing, and (f) other Debt existing on the
          Closing Date and listed on Schedule 8.9 hereof, but without giving
          effect to any extensions, renewals or refinancing thereof.


     (f)  Exbibit A to the Loan Agreement is hereby amended by deleting it in 
its entirety and replacing it with the form set forth as Exhibit A hereto.

2.   Consent.  Notwithstanding anything contained in Sections 9.9, 9.10,
9.21(iv), 9.21(v) and 9.21(vi) of the Loan Agreement, the Lender hereby 
consents to the execution of the Kenco Acquisition Agreement and the 
consummation of the Kenco Acquisition..


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<PAGE>   8

3.   Waiver.  Notwithstanding any provision of the Loan Agreement to the
contrary, the Lenders hereby waive the requirement under the Agreement
regarding Post-Closing Matters dated as of January 22, 1997, that Borrower
deliver to Agent within sixty days after the Closing Date, the certificate(s),
if any, together with executed but undated stock powers, evidencing Borrower's
ownership interest in 65% of LDM Technologies S de R.L., an entity organized
under the laws of Mexico, and an executed Pledge Amendment. The foregoing
waiver is limited to the specific purpose for which it is granted and, except
as set forth in this Section 4, no such waiver shall be construed as a  
consent, waiver or other modification with respect to any term, condition or
other provision of any Loan Document.

4.   Warranties and Representations. Borrower and each Guarantor hereby 
warrants and represents to Lender that:

     (a)  Authorization, etc. Each of Borrower and each Guarantor has the power 
and authority to execute, deliver and perform this Amendment and the Loan
Agreement, as amended hereby, as applicable. Each of Borrower and each
Guarantor has taken all necessary action (including, without limitation,
obtaining approval of its stockholders if necessary) to authorize its
execution, delivery and performance of this Amendment and the Loan Agreement,
as amended hereby, as applicable. No consent, approval or authorization of, or
declaration or filing with, any Governmental Authority, and no consent of any
other Person, is required in connection with Borrower's or any Guarantor's
execution, delivery and performance of this Amendment, except for those already
duly obtained. This Amendment has been duly executed and delivered by Borrower
and each Guarantor, and constitutes the legal, valid and binding obligation of
Borrower and such Guarantor, enforceable against it in accordance with its
terms without defense, setoff or counterclaim. Neither Borrower's nor any
Guarantor's execution, delivery and performance of this Amendment do or will
conflict with, or constitute a violation or breach of, or constitute a default
under, or result in the creation or imposition of any Lien upon the property of
Borrower or any of its Subsidiaries by reason of the terms of (a) any contract,
mortgage, Lien, lease, agreement, indenture or instrument to which Borrower or
any of its Subsidiaries is a party or which is binding upon it, (b) any
Requirement of Law applicable to Borrower or any of its Subsidiaries, or (c)
the certificate or articles of incorporation or by-laws, partnership agreement
or limited liability company agreement of Borrower or any of its Subsidiaries.

     (b)  Other Warranties and Representations. After giving effect to this
Amendment and the consent set forth in Section 2 hereof, all of the
warranties and representations of Borrower and each Guarantor contained in the
Loan Agreement, the Guarantor Guarantees and the other Loan Documents
(including, without limitations, this Amendment) are true and correct in all
material respects on and as of the date hereof to the same extent as though
made on and as of the date hereof (except those representations and warranties
made expressly as of a different date).

     (c)  No Default or Event of Default.  After giving effect to this Amendment
and the consent set forth in Section 2 hereof, no Default or Event of Default 
has occurred and is continuing as of the date hereof.


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<PAGE>   9


5.   Conditions Precedent. Notwithstanding any other provision contained in
this Amendment or any other document, the effectiveness of this
Amendment is further expressly conditioned upon the satisfaction of each
condition set forth in this Section 5 and the delivery of the following 
documents to Lender on or prior to the date hereof (unless another date shall be
specified) and consummation of all of the transactions contemplated by each
such document, all in form and substance and manner acceptable to Lender in its
sole and absolute discretion:

     (a)     Amendment.  Lender shall have received a duty executed original of
this Amendment signed by Borrower and each Guarantor.

     (b)     Warranties and Representations. After giving effect to this 
Amendment and the consent set forth in Section 2 hereof, all of the warranties 
and representations of Borrower and each Guarantor contained in the Loan 
Agreement, the Guarantor Guarantees and the other Loan Documents (including, 
without limitation, this Amendment) shall be true and correct in all material 
respects on and as of the date hereof to the same extent as though made on and 
as of the date hereof (except those representations and warranties made 
expressly as of a different date).

     (c)     No Default or Event of Default. After giving effect to this 
Amendment  and the consent set forth in Section 2 hereof, no Default or Event 
of Default shall have occurred and be continuing as of the date hereof.

     (d)     No Litigation.  No litigation, investigation, proceeding, 
injunction, restraint or other action shall be pending or threatened against 
Borrower or any Affiliate of Borrower, or any officer, director, or executive 
of any thereof, which restrains, prevents or imposes adverse  conditions upon, 
or which otherwise relates to, the execution, delivery or performance of this
Amendment or the Kenco Acquisition Agreement.

     (e)     Consents and Acknowledgments. Borrower shall have obtained all 
consents, approvals and acknowledgments which may be required with respect to 
the execution, delivery and performance of this Amendment and the Kenco 
Acquisition Agreement.

     (f)     Fees, Costs and Expenses. Lender shall have received payment of all
fees, costs and expenses, including, without limitation, reasonable attorneys' 
fees and expenses (including, without limitation, the allocated costs and 
expenses of in-house counsel) invoiced to the Borrower and as otherwise due 
pursuant to the Loan Agreement, incurred by Lender in connection herewith.

     (g)     Guarantor Guarantee. Each of the Kenco Companies shall have 
executed a guaranty in favor of Lender, substantially in the form of Exhibit B 
hereto.

     (h)     Schedules. To the extent necessary to reflect the Kenco 
Acquisition, the Borrower shall have provided to Lender within ten days after 
the date hereof revised Schedules to the Loan Documents and the items set 
forth on the Schedules shall be satisfactory to the Lender.

     (i)     Kenco Acquisition. The Lender shall have received evidence 
satisfactory to Lender

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<PAGE>   10
that the Borrower and the sellers under the Kenco Acquisition Agreement shall
have consummated the transactions contemplated by the Kenco Acquisition
Agreement in accordance with the terms set forth therein (which terms and
conditions shall be satisfactory to the Lender and its counsel in all
respects), and all documents required to be delivered pursuant to the Kenco
Acquisition Agreement shall have been executed and delivered by the Persons
specified therein, and the Borrower shall have furnished to the Agent a
certified copy of the Kenco Acquisition Agreement and all exhibits and
schedules thereto, as finally amended, and a certificate signed by the chairman
of the board of the Borrower certifying that (i) the transactions contemplated
by the Kenco Acquisition Agreement have been consummated in accordance with the
Kenco Acquisition Agreement and no term or condition of the Kenco Acquisition
Agreement has been amended, modified or waived except as set forth in the
certified copy of the Kenco Acquisition Agreement provided to the Lender, (ii)
any documents required to be filed to effect the Kenco Acquisition Agreement
have been filed in accordance with applicable law, and (iii) neither the
Borrower nor any of its Subsidiaries has failed to perform any material
obligation or covenant required by the Kenco Acquisition Agreement to be
performed or complied with by such Person on or before the date of consummation
of the Kenco Acquisition unless waived by the sellers thereunder, and the
substance of such certificate shall be true and correct, and the Lender shall
have received copies of the Kenco Acquisition Agreement and the other documents
required to be delivered pursuant to the Kenco Acquisition Agreement and all
consents, approvals or permits necessary or advisable to be obtained in
connection therewith, in form and substance satisfactory to the Lender and its
counsel.
        
       (j) Resolutions. The Lender shall have received a certified copy of the
resolutions of the Borrower authorizing the execution and delivery of, and the
consummation of the transactions contemplated by, this Amendment and the Kenco
Acquisition Agreement and all other documents or instruments to be executed and
delivered in connection herewith and therewith and the performance of its
obligations hereunder and thereunder.

        (k) Opinions. All opinions delivered in connection with the Kenco
Acquisition shall be addressed to the Lender and the Lenders or accompanied
by a written authorization from the Person delivering such opinion stating that
the Agent and the Lenders may rely on such document as though it were addressed
to them.
        
     6. Further Assurances. Borrower hereby agrees, at its expense, to duly
execute, acknowledge and deliver to Lender all agreements, certificates,
instruments, opinions and other documents, and take all such actions, as Lender
may request in order to further effectuate the purposes of this Amendment and
to carry out the terms hereof.
        
     7. No Novation; No Consent or Waiver. This Amendment is not, and shall not 
be construed as, a novation, consent, waiver, release or modification with
respect to any of the terms, provisions, conditions, representations,
warranties, covenants, rights, powers or remedies set forth in the Loan
Agreement or any of the other Loan Documents, except for the specific instance
and purpose for which it is granted as expressly specified herein. Lender's
failure, at any time or times hereafter, to require strict performance by
Borrower of any provision or term of this Amendment shall not waive, affect or
diminish any right of Lender thereafter to demand strict compliance and
performance




                                     10
<PAGE>   11
herewith. None of the undertakings, agreements, warranties, covenants and
representations of Borrower contained in this Amendment shall be deemed to have
been suspended or waived by Lender unless such suspension or waiver is (a) in
writing and signed by Lender and (b) delivered to Borrower, notwithstanding any
prior practice or course of dealing, or any waiver, forbearance or other
similar agreement or understanding, whether any of the foregoing were or are
oral or written, by or between the parties hereto.
        
     8. Documents Remain in Effect. Except as amended and modified by this
Amendment, the Loan Agreement and the other Loan Documents remain in full force
and effect, and Borrower and each Guarantor hereby ratify, adopt and confirm
their representations, warranties, agreements and covenants contained in, and
obligations and liabilities under, the Loan Agreement and the other Loan
Documents.
        
     9.  Reference to Loan Agreement. On and after the effectiveness of this
Amendment, each reference in the Loan Agreement, as amended hereby, to "this
Agreement", "hereunder", "thereof", "herein" or words of like import, and each
reference to the "Loan Agreement" in any other Loan Document, or in any of the
other agreements, documents or other instruments executed and delivered
pursuant to the Loan Agreement, shall mean and be a reference to the Loan
Agreement, as amended hereby.
        
     10. Incorporation of Loan Agreement. Article 15 of the Loan Agreement is
incorporated herein by reference with the same effect as if set forth in full
herein with only those modifications necessary to permit such Article to refer
to this Amendment.
        
     11. Affirmation of Guaranties. Each of LDM Holding and LDM Canada (i)
consents to and approves the execution and delivery of this Amendment by the
parties hereto, (ii) agrees that this Amendment does not and shall not
limit or diminish in any manner the obligations of the Guarantors under their
respective Guarantor Guarantees dated as of January 22, 1997, or under any of
the other documents executed and/or delivered by any of the Guarantors in
connection therewith, and agrees that such obligations of the Guarantors would
not be limited or diminished in any manner even if the Guarantors had not
executed this Amendment, (iii) agrees that this Amendment shall not be
construed as requiring the consent of the Guarantors in any other circumstance,
(iv) reaffirms its obligations under each of the Guarantor Guarantees and such
other related documents, and (v) agrees that the Guarantor Guarantees and such
other related documents remain in full force and effect and are each hereby
ratified and confirmed.
        
     12. Telecopied Counterparts. Delivery of an executed counterpart of a
signature page to this Amendment by telecopier shall be effective as delivery
of a manually executed counterpart of this Amendment.
        
                          [signature page follows]



                                     11
<PAGE>   12








     IN WITNESS WHEREOF, this Amendment No. 3 and Affirmation of Guaranties has
been duly executed as of the date first written above.

                                                LDM TECHNOLOGIES, INC.          
                                                                               
                                                By:  Joe Balous
                                                   ----------------------------
                                                Title: CHAIRMAN OF THE BOARD   
                                                      -------------------------
                                                                               
                                                                               
                                                LDM HOLDING CANADA, INC.       
                                                                               
                                                By:  Joe Balous
                                                   ----------------------------
                                                Title: CHAIRMAN OF THE BOARD   
                                                      -------------------------
                                                                               
                                                LDM TECHNOLOGIES COMPANY       
                                                                               
                                                By:  Joe Balous
                                                   ----------------------------
                                                Title: CHAIRMAN OF THE BOARD   
                                                      -------------------------
<PAGE>   13





                                       BANKAMERICA BUSINESS CREDIT, INC.,    
                                       as Lender and as Agent               
                                                                            
                                       By: [SIG]                          
                                           ---------------------------      
                                       Title: SVP                           
                                              ------------------------
                                                                             
<PAGE>   14









                                  EXHIBIT G

                            PERMITTED PERCENTAGE

80% from October 1, 1997-March 31, 1998. The Permitted Percentage shall reduce
by 1.2% as of the first day of each month thereafter (i.e., the Permitted
Percentage for April 1998 shall be 78.8%; the Permitted Percentage for May 
shall be 77.6% etc.)






                                      15