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      05-17-2015, 11:26 PM   #21
foamie
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Drives: M235i
Join Date: Dec 2014
Location: MN

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Quote:
Originally Posted by Dattebayo View Post
Don't quite understand this comment as this is how the electronic differential on the BMW's work. They use the brakes to mimic the effects of a mechanical LSD.
The "REAL M" cars(M3,M4 etc) have an electronic differential which is electronically actuated (and is an active even predictive) while the rest of the line including the m235i have brake based systems that attempt to replicate the function of a limited slip differential using brakes to slow down a slipping wheel and thus directing the torque to the wheel with less slippage (the M car electronic diffs can even predict this and engage before slipping occurs).

The m235i can be purchased (i ordered my car with one) with an optional Limited Slip Differential (mechanical) and quite a few people even have more specialized differentials that they install which is useful for frequently tracked/auto-X/winter/etc activities. I hope that helped a little
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