Powerflex Dual Differential Mount Bracket for BMW F80 M3 and F82 M4

Description

Kit comes supplied with M14 mounting bolt, thread locker, and a Powerflex keyring.

With the newer F8x M2/M3/M4’s making big power and having superb chassis straight from the showroom, it’s no wonder they’re often found at the most serious of track-days or at tuning shops around the globe. 

Unfortunately, the power that makes these cars so fun to drive eventually has an impact on the vehicles’ suspension components- most notably the rear differential bushings.

Despite having alloted for two mounting bushings on the factory tubular subframe, BMW opts to use only a single offset bushing in the rear to mount the diff bracket to the subframe. This essentially creates a pivot point for the diff under torque loading, especially if the 4x front diff bushes are worn out and softer than they once were.
With hard launches and sudden and frequent on-off throttle changes, the single rear OE rubber bushing is subject to extreme torsional and directional forces, resulting in rapid degradation with failure often seen at around the 30,000-40,000 mile mark, and an unsettled and potentially clunky rear-end. 
FEATURES:

• Reduced drivetrain movement

• Improved throttle response

• A more controlled and consistent chassis response to acceleration / deceleration

• Improved tire-to-road power transfer due to reduced wheel hop

• Reduced strain on bushings

Explore more from our collection.