Powerflex Black Series Front Radius Arm To Chassis Bush for BMW F20 F21 F22 F23 F30 F31 F32 F33 F36
Upgrade your BMW F-Series front suspension with the Powerflex Black Series front radius arm to chassis bush. This track-focused polyurethane bush is designed to replace the soft OEM rubber radius arm bush, delivering razor-sharp steering response, improved braking stability and tighter control of suspension geometry. If you are looking for a performance handling upgrade, poly bush upgrade, control arm bush upgrade or tension strut to chassis bush for BMW 1 Series, 2 Series, 3 Series or 4 Series, this is the proven solution.
Part Number: PFF5-1901BLK
Why choose Powerflex Black Series poly bushes
- Track, race and rally focused compound for maximum control
- 95 Shore A polyurethane significantly reduces bush deflection vs OEM rubber
- Sharper turn-in, more consistent caster control and better mid-corner stability
- Improved braking feel and stability under heavy load
- Durable, long-lasting material that resists wear, oil and road contaminants
At Nforcd we have fitted these Powerflex Black Series bushes to customer cars and our own builds. Feedback is consistently positive, with customers praising the direct steering feel and precise front-end response this radius arm bush upgrade delivers.
Note: Black Series is a motorsport-orientated compound and may increase NVH compared to standard rubber.
What this part replaces
This front radius arm to chassis bush replaces the original BMW tension strut bush, also known as the front lower control arm rear bush, wishbone rear bush or thrust arm bush.
- OEM part number: 31126855743
- OEM part numbers: 31126855741, 31126855742
What’s included
- 2 x Powerflex Black Series bushes
You will require 2 bushes per car.
Vehicle compatibility
This Powerflex PFF5-1901BLK front radius arm to chassis bush fits the following BMW F-Series models:
- BMW 1 Series: F20, F21 (2011 - 2019)
- BMW 2 Series: F22, F23 (2013+)
- BMW 3 Series: F30, F31 (2011 - 2019)
- BMW 4 Series: F32, F33, F36 (2013+)
Common search terms: BMW F20 radius arm bush, BMW F30 control arm bush, BMW F32 front lower arm rear bush, BMW F36 tension strut bush, Powerflex Black Series poly bush upgrade, front radius arm to chassis bushing, BMW F-Series suspension bush upgrade.
Compatibility check
To ensure the part fits your vehicle, we run a compatibility check prior to dispatch. Provide your registration number (UK) or the last 7 digits of your VIN at checkout and our team will confirm fitment.
Diagram reference
Reference No. 1. Diagram will be updated soon.
Installation
We recommend professional fitting to get the best results from your front control arm bush upgrade. You can also view the installation guidance here: Download installation guide
Professional fitting by Nforcd
Want this Powerflex Black Series radius arm bush fitted by experts? Book with Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com.
Manufactured by
Powerflex
Quick-fire benefits and search-friendly highlights
- Powerflex PFF5-1901BLK BMW F20 F21 F22 F23 F30 F31 F32 F33 F36
- Front radius arm to chassis bush, tension strut bush, front lower control arm rear bush
- Polyurethane 95 Shore A Black Series for precise handling on track and fast road
- Transforms steering response and braking stability vs OEM rubber
- Direct replacement for OEM 31126855743, 31126855741, 31126855742