Quote:
Originally Posted by jwong77
I've always been curious about this, am I correct in assuming M Sport Diff is BMW marketing speak for a common LSD?
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No it’s not BMW marketing speak for a common LSD.
The BMW HAG215 as optionally fitted (standard in some markets) to the G01 M40 is an active electromechanical regulated locking GHAS limited slip diff, so more advanced than common basic mechanical LSD.
The HAG215 M Sport diff design is based on the HAG225 diff used in a true M F97, but it is not the same part, although both employ the same active electromechanical approach.
Look for option code 2T4 M Sport Differential on the VIN to check the type of diff fitted.