Powerflex Poly Bushes Pack - Rear Subframe Rear Mounting Insert - PFR5-421 - BMW 1 Series E81, E82, E87, E88
Upgrade your BMW 1 Series handling with the Powerflex PFR5-421 Rear Subframe Rear Mounting Insert. This polyurethane rear subframe bush insert is a proven suspension upgrade for E81, E82, E87 and E88 models. Powerflex poly bushes reduce unwanted subframe movement, sharpen steering response and improve road holding, giving you a tighter, more predictable chassis on fast road or daily driving. If you are searching for BMW 1 Series rear subframe bushes, rear subframe inserts, polyurethane bush kit, performance suspension bushes or Powerflex PFR5-421, this is the part you want.
Part number: PFR5-421
Diagram reference: 20
Number of bushes in pack: 2
Why choose Powerflex PFR5-421 for your BMW 1 Series
- Controls rear subframe movement for crisper handling and improved chassis stability
- Increases tyre contact with the road for better grip, confidence and braking stability
- Durable polyurethane resists ageing and deformation far better than soft OE rubber
- Helps reduce uneven tyre wear and improves steering precision
- Designed as an insert to work with the existing OE rubber bush for a quick, cost-effective upgrade
- Backed by Powerflex Lifetime Warranty
Fitment
Compatible with BMW 1 Series:
- E81
- E82
- E87
- E88
What this part does
PFR5-421 is a rear subframe rear mounting insert that fits into the original equipment rubber bush to reduce flex while maintaining road comfort. For those seeking a full replacement bush, use PFR5-422.
Real-world results
We use Powerflex bushes on our own builds and our customers consistently report sharper turn in, improved stability through fast corners and a more connected feel without harshness. It is a simple, high value suspension upgrade for any BMW 1 Series enthusiast.
Key search terms
Powerflex PFR5-421, Powerflex poly bushes, BMW 1 Series rear subframe bush, rear subframe rear mounting insert, BMW E81 E82 E87 E88 bush kit, polyurethane suspension bushes, BMW 1 Series suspension upgrade, rear subframe insert, performance bushes UK, polybush BMW 1 Series, chassis upgrade BMW 1 Series.
Fitting service
Professional installation available at Nforcd in Warwickshire. Request a fitting quote via Sales@nforcd.com.
Choose Powerflex for prolonged tyre life, improved performance, increased safety and long-term value.