Powerflex Dual Mount Diff Bracket for BMW F8x M2, M3, M4 is the essential differential mount upgrade for the F80 M3, F82 M4, F83 M4 and F87 M2 platforms. BMW designed the factory tubular subframe with two rear diff mounting locations, yet only fitted a single offset rubber bush. Under torque this creates a pivot point that allows the differential to twist, especially when the four front diff bushes are softened or worn. The result can be excess drivetrain movement, wheel hop, axle tramp, clunks and an unsettled rear end. This Powerflex dual mount differential bracket fixes the issue by utilising the unused secondary mounting point for a proper dual mount setup.
CNC machined in-house by Powerflex from high-tensile 6082 aluminium and finished in corrosion-resistant satin black anodising, this diff bracket is engineered for strength, stability and durability under hard launches, fast road use and track work. By adding a second rear bush position it stops the diff rotating under load and transforms how your M car puts power to the ground.
Key features and benefits
- True dual mount utilising both OE rear diff mounting points on the subframe for superior stability
- CNC machined 6082 high-tensile aluminium for optimal strength-to-weight and longevity
- Satin black anodised finish for corrosion resistance and a discreet OEM look
- Reduces drivetrain movement to control differential twist under acceleration and deceleration
- Improves throttle response and on-off throttle consistency for sharper driving dynamics
- Enhances traction by reducing wheel hop and axle tramp for better tyre-to-road power transfer
- Lowers stress on bushes and surrounding components by sharing the load across two mounts
- Direct bolt-on solution supplied with M14 bolt and thread locker
Why upgrade the F8x diff mount
Hard launches, aggressive gear changes and frequent on-off throttle inputs put huge torsional and directional loads through the single OE rear rubber bush. Premature wear at around 30,000 to 40,000 miles is common, leading to clunky noises and a nervous rear axle. The Powerflex Dual Mount Diff Bracket spreads the load across two rear bushes, delivering a more planted, predictable rear end on the road and track, with improved traction and confidence when accelerating out of corners.
Fitment and installation
- Fits BMW F8x platform: M2, M3, M4 including F80, F82, F83 and F87
- Installs as an add-on alongside the existing OE rear bush or by replacing both rear bushes with OE or uprated items
- Uses existing subframe mounting points for a clean, reversible upgrade
We have fitted and used this bracket extensively at Nforcd and customer feedback has been consistently positive, praising the tighter rear end feel, reduced clunking and improved traction. For professional fitting, we recommend booking with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
What is included
- Powerflex Dual Mount Diff Bracket, satin black anodised 6082 aluminium
- M14 bolt and thread locker
Replaces BMW part number
33172284775
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