BMW 335is Wavetrac LSD Installation

N54/N55 Wavetrac LSD Installation

When BMW designed the rear differential on their 2007+ 135i’s, 335i’s, and 535i’s, they put their customers in a real pickle. The N54 engine, found in the cars listed above, is one of their highest horsepower non-M engines and is only offered with an open differential. Yet the ring gear on this open differential is…
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