Powerflex PFR5-4614 Polyurethane Rear Subframe Front Bush Insert - BMW E46 3 Series (inc Touring, excl M3), X3, Z4 (excl Z4M) - 2 Inserts - Lifetime Warranty
Powerflex PFR5-4614 Polyurethane Rear Subframe Front Bush Insert - BMW E46 3 Series (inc Touring, excl M3), X3, Z4 (excl Z4M) - 2 Inserts - Lifetime Warranty
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Powerflex PFR5-4614 Polyurethane Rear Subframe Front Bush Insert - BMW E46 3 Series (inc Touring, excl M3), X3, Z4 (excl Z4M) - 2 Inserts - Lifetime Warranty

£65.88
£65.88
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Powerflex Poly Bushes Pack – Rear Subframe Front Bush Insert – PFR5-4614 – BMW E46 3 Series inc Touring, BMW X3, BMW Z4

Upgrade your BMW’s handling with the Powerflex PFR5-4614 Rear Subframe Front Bush Insert. This polyurethane bush insert fits into the voids of the existing OEM bush to reduce subframe movement, sharpen steering response and improve stability under braking and cornering. A proven performance suspension upgrade for fast road and track day use, delivering better road holding, more precise chassis control and longer tyre life.

  • Part number: PFR5-4614
  • Position: Rear subframe front bush insert
  • Diagram reference: 10
  • Pack contents: 2 inserts
  • Warranty: Powerflex Lifetime Warranty

Why choose Powerflex polyurethane bushes for your BMW E46, X3 or Z4

  • Reduces unwanted subframe movement for tighter, more consistent handling
  • Improves steering precision, traction and braking stability
  • Helps maintain correct suspension geometry for even tyre wear
  • Durable polyurethane resists oil, road grime and ageing far better than rubber
  • Correctly formulated poly manages noise, vibration and harshness effectively
  • Cost-effective performance upgrade with lifetime-backed reliability

Fitment and compatibility

  • BMW E46 3 Series including Touring models, excluding M3
  • BMW X3 models
  • BMW Z4 models, excluding Z4M
  • Insert design fits into the voids of the existing bush for a straightforward upgrade

Real-world results

We have used and fitted these Powerflex bush inserts on customer cars and the feedback has been consistently positive. Sharper turn-in, a more planted rear end and improved confidence on B-roads are the common takeaways. A simple, high-impact suspension upgrade for the BMW E46 platform, X3 and Z4.

Symptoms this upgrade helps address

  • Imprecise handling and rear-end float
  • Uneven tyre wear due to geometry shift
  • Braking instability from subframe movement

OE cross-reference

Useful for searches and compatibility checks: 33316770783, 33316770784

Professional fitting

For installation, we recommend booking with Nforcd in Warwickshire. Request a fitting quote via Sales@nforcd.com.

Common search terms

Powerflex PFR5-4614, Powerflex rear subframe bush insert, BMW E46 rear subframe front bush, E46 poly bushes, E46 3 Series Touring suspension upgrade, E46 handling upgrade, BMW X3 poly bushes, BMW Z4 poly bushes, polyurethane bush kit, rear axle carrier bush, subframe insert E46, performance suspension bushes, upgrade vs OEM rubber bushes, lifetime warranty bushes, Powerflex bushes UK.