BMW E46 M3 / Z3 M S54 MSS54 Performance Tuning
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Kassel Performance provides MSS54 and MSS54HP performance calibration for supported BMW E46 M3 and Z3 M S54 applications. Select the package that matches the intake strategy, engine hardware, fuel, and intended use.
For supported naturally aspirated calibrations, typical gains are approximately 20 whp at higher RPM and more than 35 lb-ft at lower RPM. Actual results vary with vehicle condition, hardware, fuel, and test method.
Fuel requirement: 93-octane pump gasoline unless the selected package explicitly states otherwise. E85 CSL is an explicit fuel exception.
