PFR5-4030 – Dual-Mount Rear Differential Bracket – BMW M2C / M3 / M4 (F8X)

The Powerflex Dual-Mount Rear Differential Bracket is an essential upgrade for the F8X platform, reinforcing the weak factory single-mount system with a much stronger dual-mount setup. This dramatically reduces diff movement under acceleration, improves traction and enhances drivetrain stability — especially on tuned S55 cars.

Fitment: BMW F80 M3, F82/F83 M4, F87 M2 Competition/CS
SKU: PFR5-4030

Key Features

Dual-Mount Reinforcement System

– Replaces OEM single-mount design
– Adds a second mounting point for major rigidity gains
– Prevents diff shifting under hard load

High-Strength Polyurethane & Steel Bracket

– Stronger than factory rubber
– Maintains diff alignment
– Resistant to heat, oil and high torque

Direct Bolt-On Upgrade

– No cutting or welding
– Works with Powerflex diff bushes
– Suitable for high-power or track cars

Benefits

– Sharper throttle response
– Reduced wheel hop
– Stronger, more predictable power delivery
– Significantly improved drivetrain stability

Fitment

– BMW F87 M2 Competition / CS
– BMW F80 M3
– BMW F82/F83 M4
SKU: PFR5-4030

Installation Notes

– Professional installation recommended
– Alignment check advised
– Compatible with OEM or Powerflex front/rear diff bushes

About Powerflex

Powerflex offers advanced polyurethane components engineered for superior durability, control and consistency, trusted across both fast-road and motorsport applications.