PFR5-1220 – Rear Subframe Front Anti-Squat Bush – M135i M140i M235i M240i

The Powerflex PFR5-1220 Rear Subframe Front Anti-Squat Bush is a Road Series polyurethane upgrade designed to improve traction, rear-end stability and anti-squat behaviour on BMW F2X/F3X models, including the M135i, M140i, M235i and M240i. This fast-road bush replaces the soft OEM rubber mount to deliver sharper chassis response while maintaining daily-driving comfort.

SKU: PFR5-1220
Position: Rear Subframe – Front Anti-Squat Bush
Application: Fast Road

Key Features

Road Series Polyurethane

– Stiffer than OEM rubber for improved control
– Maintains sensible comfort levels for daily use
– Reduces anti-squat compliance under throttle

Improved Traction & Stability

– Keeps the rear subframe securely located
– Enhances grip during corner exit and acceleration
– Improves stability under hard braking and fast direction changes

Sharper Chassis Dynamics

– More predictable rear axle response
– Reduces rear-end float and movement
– Ideal upgrade for tuned daily-driven M-Lites

Direct Replacement Upgrade

– Fully replaces the original rubber bush
– Long-lasting polyurethane construction
– Maintains geometry for consistent handling

Benefits

The PFR5-1220 bush provides a tighter, more controlled rear-end feel without going as extreme as the Black Series version. It reduces unwanted squat and subframe movement, improving traction, balance and overall chassis precision — perfect for fast-road, B-road and lightly tracked M135i/M140i/M235i/M240i cars.

Fitment

Suitable for:
– BMW M135i (F20/F21)
– BMW M140i (F20/F21)
– BMW M235i (F22/F23)
– BMW M240i (F22/F23)
– Also compatible with many RWD F2X/F3X models

SKU: PFR5-1220
Position: Rear Subframe – Front Anti-Squat Bush

Installation Notes

– OEM bush removal required (pressing recommended)
– Professional installation advised
– Slight NVH increase compared to stock
– Works best paired with diff insert and rear subframe inserts

About Powerflex

Powerflex Road Series bushes balance performance and comfort, providing increased stability, longevity and control for fast-road BMW builds. A perfect choice for daily-driven, tuned M-Lites wanting sharper handling without the harshness of a full motorsport bush.