Wavetrac 2.56 DCT Complete Final Drive Units 135i, 335i, Z4

Wavetrac^®: Designed from a clean sheet using state-of-the-art knowledge and engineering to be a better differential than any other. It uses a patented design to improve grip in low traction conditions.

Wavetrac^®: Gives you quicker acceleration and faster cornering by driving both drive wheels instead of just one. And, it offers improved no-load performance when compared to other helical gear differentials on the market.

Here is a video on LSD:

http://video.aol.com/video-detail/bm…tial/538903604