Quote:
Originally Posted by DTP1980
Sounds like you are describing the DCT gearbox. It has a whine not dissimilar to a straight-cut gear gearbox from a racing car. Had the same with my E91 M3. Personally, I love it, as it serves as a reminder that you aren’t driving a poxy 520d, you’re driving a brute.
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The only time I can hear a noise from the diff is when the car is cold but it goes away once everything is warmed up...I wouldnt describe anything else as "normal" im afraid