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Limited Slip Differentials

BMW stopped using truly limited-slip differentials with the advent of the E9X and E60 platforms. The advantages between an open and limited-slip differential are seconds on the track and a massive increase in corner exit grip. Tuner motorsports offer many different types of LSDs' to suit your driving style and budget.
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M Performance Limited Slip Differential Kit - 2.81 - F22/23 F3X M240i 340i 440i (w/ Automatic Trans)
M Performance Limited Slip Differential Kit - 2.81 - F22/23 F3X M240i...
Genuine BMW M Performance - Corporate Logo
T#:25805756
Part#: 33108659989KTKT
Ships in 1-2 days
$ 3,366.99 USD
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$ 3,366.99 USD
Add to Wish List
Looking to upgrade your stock differential to the BMW M Performance differential? This kit includes the M Performance limited slip diff plus all the hardware necessary to install the diff in your BMW! What exactly does an LSD do you ask? Well, without an LSD your car is effectively only 1 wheel drive, in that it can't supply torque to both wheels at the same time and will only supply torque to the wheel with less grip, which is what the shortfall is to an open differential (what most vehicles have). An LSD only lets the wheels spin at different speeds by a limited amount, which is typically a percentage difference, which is when the differential locks and both wheels get power. This is not how locked differentials work such as in off-road trucks which supply equal torque and rotational speed to both rear wheels at the same time, which can cause issues with handling.
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