Powerflex Poly Bushes Pack - Ride Height Adjuster Shim - PFR5-427 - BMW F20 F21 1 Series
Part number: PFR5-427
Pack contents: 1 bush
Reference: 33536769473
Fix uneven stance and fine-tune your BMW suspension with the Powerflex PFR5-427 Ride Height Adjuster Shim. Designed to address known right-hand drive ride height issues, this polyurethane shim increases the thickness of the original part to 11.4 mm for a simple, reliable ride height correction. Fit one side to correct lean on RHD cars, or fit a pair to increase overall ride height. Ideal for BMW 1 Series F20 and F21 owners who want a straightforward, durable solution.
Why choose Powerflex poly bushes and shims
- Improved handling and chassis control - reduces unwanted suspension flex so your tyres maintain better contact with the road.
- Enhanced safety and performance - sharper steering response and more predictable braking.
- Better NVH control - correctly formulated polyurethane that rivals or exceeds rubber for noise, vibration and harshness suppression.
- Prolonged tyre life - combats uneven tyre wear caused by soft, ageing or failing rubber components.
- Cost-effective upgrade - durable, long-lasting material with a Lifetime Warranty.
Perfect for BMW 1 Series F20 F21 owners
If you are searching for a BMW 1 Series ride height shim, BMW F20 ride height adjuster, F21 suspension shim, or Powerflex poly bushes UK, the PFR5-427 is the proven fix for RHD lean and height consistency. Great for daily driving, spirited road use and performance-focused setups where consistency and reliability matter.
What we think at Nforcd
We have used this Powerflex shim ourselves on customer cars and it delivers exactly what you want - a clean, predictable ride height correction with the durability of polyurethane. Our customers have been very happy with the improved stance, stability and confidence.
Common symptoms this helps address
- Imprecise handling or vague steering feel
- Uneven tyre wear
- Braking instability
- Right-hand drive ride height lean
Key details
- Application: BMW 1 Series F20 F21
- Function: Ride height adjuster shim
- Thickness: increases original part to 11.4 mm
- Quantity: 1 bush per pack
- Material: polyurethane
- Warranty: Powerflex Lifetime Warranty
Fitting and support
Professional fitting recommended. For installation at our Nforcd workshop in Warwickshire, request a quote at Sales@nforcd.com.
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