PFR5-420P – Rear Subframe Front Mounting Bush (Fast Road) – M135i M140i M235i M240i

The Powerflex Fast Road Rear Subframe Front Mounting Bush is a direct upgrade for the factory rubber mount, reducing subframe flex and improving rear-end stability without harming daily comfort. Perfect for fast-road F2X/F3X M-Lites that need a firmer, more controlled chassis.

Fitment: BMW F20/F21/F22/F23 – M135i, M140i, M235i, M240i
SKU: PFR5-420P

Key Features

Fast-Road Polyurethane Compound

– Firmer than OEM rubber
– Maintains daily comfort
– Increased stability under cornering load

Reduced Subframe Movement

– Sharper chassis response
– Improved traction and rear balance
– Better stability during high-speed driving

Direct OEM Replacement

– No cutting or welding
– Long-lasting and resistant to heat/oil

Benefits

– More predictable rear-end behaviour
– Reduced flex during cornering and acceleration
– Improved driver confidence

Fitment

– F20/F21 M135i/M140i
– F22/F23 M235i/M240i
SKU: PFR5-420P

Installation Notes

– Press-in installation
– Professional fitting recommended

About Powerflex

Powerflex bushings replace weak factory rubber with high-performance polyurethane, improving handling, stability and long-term durability. Their Fast Road and Black Series options are trusted worldwide for both road and motorsport use.