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Utilizes the factory secondary differential mounting location
These pieces help provide additional downforce on the front-end
and exits through the two inner tips
raspy exhaust note
For the serious high-performance enthusiast
BTK Dual Differential Mount - F80 M3 | F82 / F83 M4 | F87 M2C Accessories Utilizes the factory secondary differentialBTK USA F8X Dual Differential Mount The factory F8X differential is designed with provisions for two rear mounting points, yet BMW chose to utilize only a single rear differential bushing. Under hard acceleration, aggressive launches, and high horsepower applications, this allows the differential to twist within the subframe, increasing driveline movement, wheel hop, and unnecessary stress on the factory mounting components. The BTK Dual Differential
US$ 134.95
US$ 49.90
US$ 149.95
US$ 35.00
