Powerflex Track Rear Diff Front Bush Insert for BMW 4 Series F32 F33 F36 - Black Series - PFR5-1927BLK
Unlock sharper drivetrain control and improved power delivery with the Powerflex Black Series Rear Differential Front Bush Insert for BMW 4 Series F32, F33 and F36. Designed for track and motorsport use, this high-performance polyurethane insert fits into and fills the voids of the original rear diff front bush to stabilise the differential under hard acceleration and fast direction changes.
We have used this upgrade on our own builds and customer cars with excellent results. Drivers consistently report a more connected, precise feel from the rear end and more consistent traction on road and track.
Key features
- Part number: PFR5-1927BLK
- Black Series compound - 95 Shore A polyurethane for maximum control of chassis geometry
- Fits into the OEM bush to reduce differential movement under load
- Improves drivetrain response, traction consistency and stability under acceleration
- Track focused, engineered for motorsport and performance driving
- Number of bushes in pack: 2
- Diagram reference: 27
- Replaces OEM bush part number: 33316792513
Compatibility
BMW 4 Series F32 Coupe, F33 Convertible, F36 Gran Coupe - rear differential front bush location. Ideal upgrade for F32, F33, F36 owners seeking a track-ready rear diff bush insert solution.
Why choose Powerflex Black Series for your BMW F32 F33 F36
The Black Series compound is the most rigid in the Powerflex range, created specifically for track and motorsport. By filling the voids in the factory rear differential front bush, this insert helps maintain diff alignment and control under load, giving you a tighter, more predictable rear end that inspires confidence during acceleration and corner exit.
Fitting
Professional installation recommended. We offer fitting at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
What you get
- 2 x Powerflex Black Series rear diff front bush inserts
- Application: BMW 4 Series F32, F33, F36
- Track and motorsport use
Search-friendly terms
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