The Powerflex Black Series Rear Diff Front Bush dramatically reduces differential movement under hard acceleration and cornering. Ideal for high-power or track-focused F2X/F3X builds.

Fitment: F2X/F3X M135i/M140i/M235i/M240i
SKU: PFR5-426BLK

Key Features

Black Series Motorsport Compound

– Maximum stiffness
– Best for high-torque or track cars
– Eliminates diff flex under load

High-Durability Polyurethane

– Resistant to heat, oil and ageing
– Stronger than OEM rubber

Direct Replacement Bush

– No modifications required
– Improves drivetrain stability

Benefits

– Sharper throttle response
– Reduced wheel hop
– Stronger rear-end control

Fitment

– F20/F21 M135i/M140i
– F22/F23 M235i/M240i

Installation Notes

– Bush tool required
– Professional install recommended

About Powerflex

Powerflex create high-performance polyurethane bushes designed to improve chassis control and handling consistency.