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

The Powerflex PFF5-1901BLK Front Radius Arm Bush (Camber Adjustable) is a Black Series motorsport upgrade engineered for maximum front-end precision and geometry control on BMW M135i, M140i, M235i and M240i models. This bush adds adjustable camber/caster settings while delivering uncompromising stiffness for serious performance driving.

Key Features

Black Series Motorsport Polyurethane

– Hardest compound available from Powerflex
– Zero-flex behaviour under load
– Ideal for track, drift and high-power builds

Adjustable Geometry

– Allows precise adjustment of camber and caster
– Improves corner entry grip and steering sharpness
– Enhances tyre contact in aggressive driving

Immediate Steering Response

– Removes the delay caused by OEM rubber bush deformation
– Much more direct connection between wheel and chassis
– Consistent steering feel at the limit

High Stability During Braking

– Keeps geometry fixed under heavy load
– Reduces front-end instability and dive
– Perfect for performance braking setups

Benefits

This is the go-to radius arm bush for drivers pushing their M-Lite hard on track or running big power. It provides maximum steering accuracy and allows you to fine-tune geometry to suit fast-road or track alignment setups.

Fitment

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

SKU: PFF5-1901BLK

Installation Notes

– Professional fitting strongly recommended
– Pressing required
– Wheel alignment essential
– NVH increase expected (motorsport stiffness)

About Powerflex

Black Series bushes are designed for dedicated performance applications, offering maximum durability, stiffness and geometry stability.