PFF5-1901G – Front Radius Arm Bush Camber Adjustable – M135i M140i M235i M240i

The Powerflex PFF5-1901G Front Radius Arm Bush (Camber Adjustable) is a Fast Road polyurethane upgrade designed to improve steering precision, geometry stability and front-end grip on BMW M135i, M140i, M235i and M240i models. This bush replaces the soft OEM tension-strut bush and adds camber/caster adjustability, allowing you to fine-tune front-end response for spirited road driving.

Key Features

Adjustable Camber/Caster Geometry

– Allows fine tuning of front geometry for sharper turn-in
– Improves tyre contact patch during cornering
– Reduces understeer and enhances mid-corner grip

Fast Road Polyurethane

– Firmer than OEM rubber
– Maintains road comfort for daily use
– Reduces unwanted flex during braking and acceleration

Sharper Steering Feedback

– More direct response on turn-in
– Greater precision during fast direction changes
– Improves stability at higher speeds

Better Braking Stability

– Reduces arm movement under heavy braking
– Maintains consistent alignment under load
– Improves confidence during aggressive stops

Benefits

This adjustable Fast Road bush transforms front-end stability and steering feel without the harshness of a full motorsport compound. Ideal for drivers wanting extra grip, sharper handling and improved geometry control on the road.

Fitment

– BMW M135i (F20/F21)
– BMW M140i (F20/F21)
– BMW M235i (F22/F23)
– BMW M240i (F22/F23)

SKU: PFF5-1901G

Installation Notes

– Pressing required
– Wheel alignment essential
– Slight NVH increase over OEM

About Powerflex

Powerflex Fast Road components strike the perfect balance between comfort, longevity and improved handling precision.