I don't have a 03 4.8L file at this time. Here is a 04 and two 05s. Only difference between them is the rear gear ratio. One has 3.23 and the other is 3.73. That doesn't effect much on a M5 calibration other than the speedometer calibration. That would effect a lot more on an A4 calibration.
Be aware that 06-07 Classic calibrations are not compatible with 03-05 ETC hardware and vice versa.
Sorry I don't. The only ones I have in those years are 4.3L V6 M5s. Closest I would have to either of those would be a 01 6.0L M5.
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