The Powerflex PFF5-1902BLK Front Control Arm Bush is a Black Series motorsport upgrade designed for the BMW M135i, M140i, M235i and M240i. Built for maximum stiffness, it eliminates flex in the front suspension, improving steering accuracy, braking stability and overall chassis control.

Key Features

Black Series Motorsport Polyurethane

– Hardest compound Powerflex offer
– Designed for track, drift and high-power setups
– Eliminates bush deflection under load

Sharper Steering Precision

– Immediate front-end response
– More predictable handling and grip
– Reduces vagueness in fast direction changes

Improved Braking Stability

– Minimises arm movement under hard braking
– Keeps geometry consistent for confidence and control
– Reduces dive and instability

Maximum Durability

– Resistant to heat, oil and road contaminants
– Long-lasting even under aggressive use

Benefits

Ideal for track-focused or highly tuned M-Lite builds, this bush gives maximum steering precision and front-end stability, transforming feedback and control at the limit.

Fitment

– BMW M135i / M140i
– BMW M235i / M240i

Installation Notes

– Pressing required
– NVH increase expected due to motorsport stiffness

About Powerflex

Black Series components are engineered for pure performance, delivering maximum stiffness and geometry control for motorsport environments.