E9X 330i – MSV70 to MSV80 Conversion
The purpose of this procedure is to convert from MSV70 to MSV80. This procedure will be necessary for all 2006 325i’s and 330i’s in order to run the Spec E9X tune, courtesy of Epic Motorsports. These instructions are specifically for the 330i. The reason for this conversion is to unify and consolidate the ECU calibration, creating parity within the 325i, 330i and 328i model range.
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