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| 1.   | CarMax      Business Services, LLC is, as of the date hereof, the Servicer under the      Sale and Servicing Agreement and the Administrator under the      Administration Agreement dated as of September 1, 2007 among the Issuer,      CarMax Business Services, LLC, as Administrator (the "Administrator"), and      the Indenture Trustee. |
|----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2.   | The      undersigned is duly authorized to execute and deliver this Officer's      Certificate. |
|----------------|-------------------------------------------------------------------------------------------------|

| 3.   | This      Officer's Certificate is delivered pursuant to Section 3.10 of the Sale      and Servicing Agreement and Section 3.9 of the  Indenture. |
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| 4.   | A      review of the activities of the Servicer during the period beginning on      September 19, 2007 and ending on February 29, 2008 and of the Servicer's      performance under the Sale and Servicing Agreement was made under my      supervision.  To the best of my knowledge, based on such review,      the Servicer has fulfilled all of its obligations under the Sale and      Servicing Agreement in all material respects throughout such      period. |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 5.   | A      review of the activities of the Issuer during the period beginning on      September 19, 2007 and ending on February 29, 2008 and of the Issuer's      performance under the Indenture was made under my      supervision.  To the best of my knowledge, based on such review,      the Issuer has complied in all material respects with all conditions and      covenants under the Indenture throughout such  period. |
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| /s/      Keith D. Browning        |
|-----------------------------------|
| Keith      D. Browning            |
| Executive      Vice President and |
| Chief      Financial Officer      |