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Quaife ATB Limited Slip Differential BMW 135i 08-11 Model Number: QF135LSD View Price Quaife ATB Limited Slip Differential BMW 135i 08+With an normal open differential, fitted as standard on most cars, much precious power is wasted through wheel spin under acceleration. This happens because the open differential shifts power to the wheel with less grip - along the path of least resistance. The Quaife differential, however, does just the opposite. It senses which wheel has the better grip, and automatically biases the power to that wheel. It does this smoothly and constantly, and ... |
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WaveTrac Differential BMW 135i E8x 215K Axle 08-13 Model Number: 30.309.170WK View Price Designed from a clean sheet using state-of-the-art knowledge and engineering to be a better differential than any other. It uses a patent pending 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.How Wavetrac works:The innovative, patent-pending, Wavetrac device in the center of ... |
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WaveTrac Differential BMW 135i E87 215K 05-11 Model Number: 30.309.173WK View Price Designed from a clean sheet using state-of-the-art knowledge and engineering to be a better differential than any other. It uses a patent pending 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.How Wavetrac works:The innovative, patent-pending, Wavetrac device in the center of ... |
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WaveTrac Differential Installation Kit BMW 135i E8x 215K Axle MT 08-13 Model Number: 30.309.171WK View Price This WaveTrac Install Kit allows fitment of a Wavetrac differential in rear axles of 335i models where the ring gear is factory welded to the standard differential. Starting with cars produced in March 2007, BMW has fitted rear axles where the ring gear is welded to the differential carrier. Until now, this process has hindered enthusiast owners' ability to upgrade, but no longer: WaveTrac now offers a precision solution at a reasonable price.Upon receipt of a customer's differential/ring gear a... |