Powerflex Black Series Rear Diff Front Bush Insert for BMW 4 Series F32 F33 F36 — PFR5-1927BLK
Upgrade your BMW 4 Series driveline with the Powerflex Black Series Rear Differential Front Bush Insert, part number PFR5-1927BLK. Designed specifically for track and motorsport use, this performance polyurethane insert fits into and fills the voids in the original rear diff front bush to stabilise the differential under acceleration. If you are chasing sharper response, consistent launches and precise chassis control on track days and fast road, this is the go-to BMW 4 Series differential mount upgrade.
Engineered in the Powerflex Black 95 Shore A compound, the Black Series range is all about maximum control of chassis geometry. The insert supports the OEM bush rather than replacing it, giving you a precise, durable and cost-effective rear diff bush solution for the F32, F33 and F36 BMW 4 Series platform.
Why choose this Powerflex diff insert
- Track-focused Powerflex Black Series polyurethane for maximum stability and control
- Fits into the OEM bush to fill voids and help reduce unwanted differential movement
- Improved drivetrain precision under hard acceleration and on track
- Durable, long-lasting 95A compound designed for motorsport
- Direct-fit insert solution for BMW 4 Series F32, F33, F36
Perfect for BMW 4 Series owners who want
- Rear diff stability for track days, time attack and club motorsport
- Sharper throttle-to-tyre response and consistent power delivery
- An uprated differential mount insert without replacing the entire bush
Technical details
- Part number: PFR5-1927BLK
- Diagram reference: 27
- Number of bushes in pack: 2
- Material: Powerflex Black Series polyurethane, 95 Shore A
- Replaces OEM bush part number: 33316792513
- Product notes: This is a polyurethane insert that fits into and fills the voids in the original bush to stabilise the diff under acceleration.
Vehicle compatibility
BMW 4 Series F32 Coupe, F33 Convertible, F36 Gran Coupe. If you are unsure about fitment for your specific model, contact our team for guidance.
Nforcd fitment and support
Want this fitted professionally? Nforcd offers expert installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Trusted by enthusiasts
We run these Powerflex Black Series diff inserts on our own builds and for customer cars. Feedback has been consistently positive, with owners praising the added stability and confidence under hard use.
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Order your Powerflex Black Series Rear Diff Front Bush Insert from Nforcd today for a proven BMW 4 Series drivetrain upgrade.