UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                   FORM 10-K

(Mark One)

           [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
           EXCHANGE ACT OF 1934

           For the fiscal year ended:   December 31, 2004
                                        -----------------

                                      or

           [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
           SECURITIES EXCHANGE ACT OF 1934

           For the transition period from               to
                                          -------------    -------------

                     Commission file number: 333-109272-28
                                             -------------

                CWABS Revolving Home Equity Loan Trust 2004-M,
         Revolving Home Equity Loan Asset Backed Notes, Series 2004-M
         ------------------------------------------------------------
            (Exact name of Registrant as specified in its charter)


           Delaware                                         95-4596514
--------------------------------                    ---------------------------
(State or other jurisdiction of                          (I.R.S. Employer
incorporation or organization)                          Identification No.)

c/o    Countrywide Home Loans, Inc.
       4500 Park Granada
       Calabasas, California                                   91302
------------------------------------                ---------------------------
(Address of principal executive offices)                     (Zip Code)

Registrant's telephone number, including area code:   (818) 225-3000
                                                      --------------

Securities registered pursuant to Section 12(b) of the Act:  None
                                                             ----

Securities registered pursuant to Section 12(g) of the Act:  None
                                                             ----



<PAGE>


      Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to
such filing requirements for the past 90 days. [X] Yes [ ] No

      Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K (ss.229.405 of this chapter) is not contained
herein, and will not be contained, to the best of registrant's knowledge, in
definitive proxy or information statements incorporated by reference in Part
III of this Form 10-K or any amendment to this Form 10-K. [X]

       Indicate by check mark whether the registrant is an accelerated filer
(as defined in Rule 12b-2 of the Act). [ ] Yes [X] No

      State the aggregate market value of the voting and non-voting common
equity held by non-affiliates computed by reference to the price at which the
common equity was last sold, or the average bid and asked price of such common
equity, as of the last business day of the registrant's most recently
completed second fiscal quarter. Not applicable




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<PAGE>
                      DOCUMENTS INCORPORATED BY REFERENCE

                                     None.

                               *       *       *


           This Annual Report on Form 10-K (the "Report") is filed with
respect to the CWABS Revolving Home Equity Loan Trust, Series 2004-M (the
"Trust"), a statutory trust formed under the laws of the State of Delaware
pursuant to the trust agreement dated as of September 24, 2004 (the "Trust
Agreement") among CWABS, Inc., as depositor (the "Company"), Countrywide Home
Loans Servicing LP, as master servicer (the "Master Servicer"), and Wilmington
Trust Company, as owner trustee (the "Owner Trustee"), for the issuance of
CWABS Revolving Home Equity Loan Asset Backed Notes, Series 2004-M (the
"Notes"), issued pursuant to an Indenture, dated September 29, 2004 (the
"Indenture"), between the Trust and JPMorgan Chase Bank, N.A., as indenture
trustee (the "Trustee"). The assets of the Trust are comprised of assets sold
to the Trust pursuant to a sale and servicing agreement, dated September 29,
2004 (the "Sale and Servicing Agreement") among the Company, as depositor,
Countrywide Home Loans, Inc., as sponsor and master servicer (the "Master
Servicer"), the Trust and the Trustee, as indenture trustee. Certain
information otherwise required to be included in this Report by the
Instructions to Form 10-K has been omitted in reliance on the relief granted
by the Commission to other companies in similar circumstances, in particular,
the relief granted in CWMBS, Inc. (February 3, 1994) (collectively, the
"Relief Letters").






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<PAGE>
                                    PART I


Item 1.    Business.

           Not applicable.  See the Relief Letters.

Item 2.    Properties.

           Not applicable.  See the Relief Letters.

Item 3.    Legal Proceedings.

           There were no material pending legal proceedings relating
           to the Trust to which any of the Trust, the Trustee, the
           Owner Trustee, the Master Servicer or the Company was a
           party or of which any of their respective properties was
           the subject during the fiscal year covered by this Report
           other than ordinary routine litigation incidental to the
           duties of the Trust, the Trustee, the Owner Trustee, the
           Master Servicer or the Company, nor is the Company aware
           of any such proceedings contemplated by governmental
           authorities.

Item 4.    Submission of Matters to a Vote of Security Holders.

           No matter was submitted to a vote of Noteholders, and no
           Noteholder consent was solicited during the fiscal year
           covered by this Report.




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<PAGE>



                                    PART II


Item 5.    Market for Registrant's Common Equity, Related Stockholder Matters
           and Issuer Purchases of Equity Securities.

           (a)   Item 201 of Regulation S-K:

               i.   Market Information. There is no established
                    public trading market for the Notes.

               ii.  Holders. As of December 31, 2004 there were less than 300
                    holders of record of the Notes.

               iii. Dividends. Not applicable. See the Relief Letters.
                    (Information as to distributions to Noteholders is
                    provided in the Registrant's monthly filings on Form 8-K.)

               iv.  Securities Authorized for Issuance Under Equity
                    Compensation Plans. Not applicable.

                 Item 701 of Regulation S-K.  Not applicable.

           (b)   Rule 463 of the Securities Act of 1933. Not applicable.

           (c)   Item 703 of Regulation S-K. Not applicable as the Registrant
                 has no class of equity securities registered pursuant to
                 section 12 of the Securities Exchange Act of 1934.

Item 6.    Selected Financial Data.

           Not applicable. See the Relief Letters.

Item 7.    Management's Discussion and Analysis of Financial Condition and
           Results of Operation.

           Not applicable. See the Relief Letters.

Item 7A    Quantitative and Qualitative Disclosures about Market Risk.

           Not applicable.

Item 8.    Financial Statements and Supplementary Data.

           Not applicable. See the Relief Letters.


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<PAGE>


Item 9.    Changes in and Disagreements With Accountants on Accounting and
           Financial Disclosure.

           None.

Item 9A.   Controls and Procedures.

           Not applicable. The Registrant is an Asset-Backed Issuer (as
           defined in Exchange Act Rule 15d-14(g)) and is therefore not
           required to disclose information under Item 307 of Regulation S-K.
           See Item 307 of Regulation S-K and Exchange Act Rule 15d-15(a). The
           Registrant is an Asset-Backed Issuer (as defined in Exchange Act
           Rule 15d-14(g)) and is therefore not required to disclose
           information under Item 308 of Regulation S-K. See Instruction 2 to
           Item 308 of Regulation S-K and Exchange Act Rule 15d-15(a).

Item 9B.   Other Information.

           None.



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<PAGE>
                                   PART III


Item 10.   Directors and Executive Officers of the Registrant.

           Not applicable. See the Relief Letters.

Item 11.   Executive Compensation.

           Not applicable. See the Relief Letters.

Item 12.   Security Ownership of Certain Beneficial Owners and Management.

           Information required by Item 201(d) of Regulation S-K: Not
           applicable.

           Information required by Item 403 of Regulation S-K:

           (a)   Not applicable. See the Relief Letters.

           (b)   Not applicable. See the Relief Letters.

           (c)   Not applicable. See the Relief Letters.

Item 13.   Certain Relationships and Related Transactions.

           Not applicable. See the Relief Letters.

Item 14.   Principal Accounting Fees and Services.

           Not applicable. The Registrant is an Asset-Backed Issuer (as
           defined in Exchange Act Rule 15d-14(g)) and is therefore not
           required to disclose this information. See Instructions to Item 14.




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<PAGE>



                                    PART IV


Item 15.   Exhibits and Financial Statement Schedules.

           (a)   (1) Pursuant to the Sale and Servicing Agreement, the Master
                     Servicer is required (i) to deliver an annual statement
                     as to compliance with the provisions of the Sale and
                     Servicing Agreement and certain other matters (the
                     "Annual Statement of the Master Servicer") and (ii) to
                     cause a firm of independent public accountants to deliver
                     an annual report as to compliance with the servicing
                     provisions of the Sale and Servicing Agreement (the
                     "Annual Report of the Firm of Accountants"). The Annual
                     Statement of the Master Servicer is attached as Exhibit
                     99.1 to this Report. The Annual Report of the Firm of
                     Accountants is attached as Exhibit 99.2 to this Report.
                     See Relief Letters.

                 (2) Not applicable.

                 (3) The required exhibits are as follows:

                     o     Exhibit 3(i): Copy of Company's Certificate of
                           Incorporation (Filed as an Exhibit to Registration
                           Statement on Form S-3 (File No. 33-11095)).

                     o     Exhibit 3(ii): Copy of Company's By-laws (Filed as
                           an Exhibit to Registration Statement on Form S-3
                           (File No. 33-11095)).

                     o     Exhibit 4(i): Sale and Servicing Agreement (Filed
                           as part of the Registrant's Current Report on Form
                           8-K filed on October 18, 2004).

                     o     Exhibit 4(ii): Indenture (Filed as part of the
                           Registrant's Current Report on Form 8-K filed on
                           October 18, 2004).

                     o     Exhibit 31: Rule 15d-14(a) Certification.

                     o     Exhibit 99.1: Annual Statement of the Master
                           Servicer.

                     o     Exhibit 99.2: Annual Report of the Firm of
                           Accountants.

                     o     Exhibit 99.3: Audited financial statements of Ambac
                           Assurance Corporation and subsidiaries.

                     o     Exhibit 99.5: Trust Agreement (Filed as part of the
                           Registrant's Current Report on Form 8-K filed on
                           October 18, 2004).


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<PAGE>


           (b) See subparagraph (a)(3) above.

           (c) Not applicable. See the Relief Letters.



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<PAGE>
                                  SIGNATURES

           Pursuant to the requirements of Section 13 or 15(d) of the
Securities Exchange Act of 1934, the Registrant has duly caused this Report to
be signed on its behalf by the undersigned, thereunto duly authorized.

                             CWABS REVOLVING HOME EQUITY LOAN TRUST, SERIES
                             2004-M, REVOLVING HOME EQUITY LOAN
                             ASSET BACKED NOTES, SERIES 2004-M

                             By:       Countrywide Home Loans, Inc.,
                                       as Master Servicer*

                             By:       Countrywide GP, Inc.


                             By:       /s/ Joseph M. Candelario
                                       -------------------------------
                                       Name:  Joseph M. Candelario
                                       Title:    First Vice President

                             Date: March 30, 2005









---------------

*          This Report is being filed by the Master Servicer on behalf of the
           Trust. The Trust does not have any officers or directors.




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<PAGE>




           SUPPLEMENTAL INFORMATION TO BE FURNISHED WITH REPORTS FILED
PURSUANT TO SECTION 15(d) OF THE ACT BY REGISTRANTS WHICH HAVE NOT REGISTERED
SECURITIES PURSUANT TO SECTION 12 OF THE ACT.

           No such annual report, proxy statement, form of proxy or other
soliciting material has been, or will be, sent to Noteholders. See the Relief
Letters.





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<PAGE>

                                 EXHIBIT INDEX



Exhibit              Document
-------              --------


3(i)                 Company's Certificate of Incorporation (Filed as an
                     Exhibit to Registration Statement on Form S-3 (File No.
                     33-11095))*

3(ii)                Company's By-laws (Filed as an Exhibit to Registration
                     Statement on Form S-3 (File No. 33-11095))*

4(i)                 Sale and Servicing Agreement (Filed as part of the
                     Company's Current Report on Form 8-K filed on October 18,
                     2004)*

4(ii)                Indenture (Filed as part of the Company's Current Report
                     on Form 8-K filed on October 18, 2004)*

31                   Rule 15d-14(a) Certification

99.1                 Annual Statement of the Master Servicer

99.2                 Annual Report of the Firm of Accountants

99.3                 Audited financial statements for the year ended December
                     31, 2004 for Ambac Assurance Corporation**

99.5                 Trust Agreement (Filed as part of the Registrant's
                     Current Report on Form 8-K filed on October 18, 2004)*






--------------------

*          Incorporated herein by reference.
**         Incorporation by reference to the consolidated financial statements
           of Ambac Assurance Corporation and subsidiaries as of December 31,
           2004 and 2003, and for each of the years in the three-year period
           ended December 31, 2004, which report appears in the Annual Report
           on Form 10-K of Ambac Financial Group, Inc., which was filed with
           the Securities and Exchange Commission on March 15, 2005
           (Securities and Exchange Commission File No. 1-10777).




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