Exhibit 99.1

                  OFFICER'S CERTIFICATE OF SERVICER

To: 	Deutsche Bank Trust Company Delaware, as Owner Trustee
        BNY Midwest Trust Co., as Indenture Trustee
        Moody's Investors Service, Inc.
        Standard & Poor's Ratings Group

Pursuant to Section 4.10 of the Sale and Servicing Agreement
dated as of November 13, 2003 (the "Sale and Servicing Agreement")
among Deutsche Bank Trust Company Delaware, not in its individual
capacity but solely as owner trustee (the "Owner Trustee") of M&I
Auto Loan Trust 2003-1 (the "Issuer"), M&I Dealer Auto
Securitization, LLC, as seller (the "Seller"), M&I Marshall &
Ilsley Bank, as servicer (the "Servicer"), and BNY Midwest
Trust Co., as indenture trustee (the "Indenture Trustee"), the
undersigned hereby certifies that (i) a review of the activities
of Servicer from November 13, 2003 through December 31, 2003,
and of its performance under the Sale and Servicing Agreement
has been made under the undersigned officer's supervision and
(ii) to the best of the undersigned officer's knowledge, based
on such review, Servicer has fulfilled all its obligations in
all material respects under the Agreement throughout such period.

IN WITNESS WHEREOF, I have executed this Certificate this
day of March 29th, 2004.



                                 M&I Marshall & Ilsley Bank, as Servicer


                                 By: /s/ Thomas J. O'Neill
                                     ------------------------------------
                                 Name:  Thomas J. O'Neill
                                 Title: Executive Vice President