Powerflex PFR5-1927 Rear Differential (Diff) Front Bush Insert, 2x Polyurethane - BMW 4 Series xDrive F32 F33 F36 - OE 33316792513
Powerflex PFR5-1927 Rear Differential (Diff) Front Bush Insert, 2x Polyurethane - BMW 4 Series xDrive F32 F33 F36 - OE 33316792513
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Powerflex PFR5-1927 Rear Differential (Diff) Front Bush Insert, 2x Polyurethane - BMW 4 Series xDrive F32 F33 F36 - OE 33316792513

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Powerflex Rear Diff Front Bush Insert PFR5-1927 for BMW 4 Series xDrive F32 F33 F36

Unlock sharper handling, stronger traction and improved drivetrain stability with the Powerflex Rear Differential Front Bush Insert, part number PFR5-1927. This performance polyurethane insert fits into the voids of the original rear diff front bush to stabilise the differential under acceleration, reducing unwanted movement and helping your BMW 4 Series xDrive put power down more effectively on the road.

Why choose Powerflex polyurethane bushes for your BMW?

  • Stabilises the rear differential under load for more precise handling and better traction
  • Controls unwanted suspension and drivetrain flex so the chassis works as intended
  • Maintains tyre contact with the road for improved performance and safety
  • Prolonged tyre life and greater cost effectiveness versus continually replacing soft rubber
  • Correctly formulated polyurethane offers excellent NVH control when compared to rubber
  • Lifetime Warranty from Powerflex for long term peace of mind

What you get

  • Pack contents: 2 x polyurethane inserts
  • Diagram reference: 27
  • Powerflex part number: PFR5-1927
  • OE reference for search: 33316792513

Fitment and compatibility

Designed for BMW 4 Series xDrive models:

  • F32 4 Series Coupe xDrive
  • F33 4 Series Convertible xDrive
  • F36 4 Series Gran Coupe xDrive

This rear differential front bush insert fits into the existing OEM bush, filling the factory voids to reduce differential movement without the need to replace the whole bush assembly.

Real world results

We have fitted and used this Powerflex PFR5-1927 insert on customer cars and feedback has been consistently positive. Drivers report a more connected rear end, improved stability under acceleration and greater confidence in both spirited road use and daily driving.

Common symptoms this upgrade helps address

  • Imprecise handling and rear end movement under throttle
  • Uneven tyre wear caused by excessive bushing compliance
  • Braking instability linked to ageing or soft rubber bushes

Fitting service

Professional installation available at Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com.

Buy with confidence

Choose Powerflex performance poly bushes for your BMW 4 Series xDrive to enhance handling, stability and durability. The PFR5-1927 rear diff front bush insert is a proven upgrade that delivers immediate, feelable benefits with a Lifetime Warranty.

Keywords: BMW 4 Series xDrive rear diff bush, rear differential front bush insert, Powerflex PFR5-1927, BMW F32 F33 F36 differential mount insert, polyurethane bush, poly bush upgrade, BMW 4 Series AWD rear diff mount, performance bushes, 33316792513.