Powerflex Track Front Radius Arm to Chassis Bushes - BMW 4 Series F32 F33 F36 - Black Series - PFF5-1901BLK
Unlock sharper steering, tighter turn-in and rock-solid front-end stability with Powerflex Black Series PFF5-1901BLK front radius arm to chassis bushes for the BMW 4 Series F32, F33 and F36. Designed specifically for track and motorsport use, these polyurethane performance bushes significantly reduce unwanted movement in the front suspension, delivering precise control of chassis geometry and consistent handling lap after lap.
If you want a serious suspension upgrade for your BMW 4 Series, Powerflex Black Series is the go-to track bush range. These bushes replace the soft factory rubber with a high-performance 95 Shore A compound that resists deflection under hard braking and cornering, improving steering precision, braking stability and feedback. Ideal for track days, time attack, sprint and fast-road builds where control and consistency matter.
- Part number: PFF5-1901BLK
- Vehicle: BMW 4 Series F32 coupe, F33 convertible, F36 Gran Coupe
- Position: Front radius arm to chassis bush
- Diagram reference: 2
- Series: Powerflex Black Series - track and motorsport use
- Compound: 95 Shore A polyurethane for maximum control of chassis geometry
- Number of bushes in pack: 2
- Replaces OEM bush part numbers: 31126852991 and 31126852992
Why choose Powerflex Black Series PFF5-1901BLK
- Sharper steering response and improved turn-in
- Reduced bush deflection under load for accurate alignment control
- Enhanced braking stability and front-end grip
- Durable polyurethane construction that outlasts standard rubber
- Ready to race - engineered for track, proven in motorsport
Real-world results from Nforcd
We run Powerflex Black Series bushes on our own builds and customer cars, and the feedback is consistently positive - cleaner steering feel, more confidence on turn-in and noticeably reduced movement under hard braking. If you are chasing lap times or want a sharper, more connected drive, this is a must-have BMW F3x suspension upgrade.
Fitting and support
Professional fitting is recommended. Nforcd in Warwickshire can supply and install these bushes - request a fitting quote at Sales@nforcd.com.
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