The Powerflex Black Series Rear Diff Front Bush eliminates differential flex for maximum performance under acceleration and cornering. Essential for high-power or track-spec M-Lites. Pack of 2 bushes for diff.

Fitment: BMW F20/F21/F22/F23 – M135i, M140i, M235i, M240i
SKU: PFR5-425BLK

Key Features

Black Series Motorsport Polyurethane

– Hardest grade available
– Zero-flex mounting
– Race-engineered stability

Improved Differential Location

– Prevents movement under load
– Sharper drivetrain feel
– Improved throttle response

Direct Replacement

– No fabrication
– Long-term heat and oil resistance

Benefits

– Stronger stability during launches
– Better traction
– More precise power delivery

Fitment

– M135i/M140i
– M235i/M240i
SKU: PFR5-425BLK

Installation Notes

– Specialist pressing tools required
– Recommended: professional installation

About Powerflex

Powerflex Black Series bushes are built for motorsport, maximising stiffness and control for the most demanding driving conditions.