Powerflex Poly Bushes Pack - Rear Lower Arm Outer Bush
Part number: PFR5-4618
Fitment: BMW Z4 E89 2009 onwards
Diagram reference: 18
Pack contents: 2 bushes
OE reference: 33326771828
Upgrade the rear suspension on your BMW Z4 E89 with Powerflex PFR5-4618 Rear Lower Arm Outer Bushes. These performance polyurethane bushes replace soft, ageing rubber to deliver sharper handling, better stability and a more precise driving feel. Ideal for fast road and track day use, this popular Z4 rear lower arm outer bushing kit helps control unwanted suspension movement, keeps alignment stable under load and maximises tyre contact for improved grip and confidence.
Why choose Powerflex polyurethane bushes for your Z4 E89
- Improved handling and steering response by reducing flex in the rear lower control arm outer joint
- Better braking stability and cornering precision thanks to consistent suspension geometry
- Reduced and more even tyre wear due to improved camber control and alignment retention
- Durable, long-lasting polyurethane that resists oil, road grime and ageing far better than rubber
- Excellent NVH control when correctly formulated, comparable to OEM rubber in everyday use
- Outstanding value upgrade for performance driving, daily use and track days
- Backed by the Powerflex Lifetime Warranty
What you get
- 2 x Powerflex Rear Lower Arm Outer Bushes - PFR5-4618
- Designed specifically for BMW Z4 E89 2009-on
- Direct replacement for tired OEM rubber bushes at the rear lower arm outer position
Real-world results
We have used these Powerflex bushes on our own builds and for many customer cars. Feedback is consistently positive, with noticeably tighter rear end control, improved turn-in and a more planted feel on both fast road and track. A simple, proven suspension upgrade that transforms confidence without harshness.
Fitting and support
Professional installation is recommended. For fitting at Nforcd in Warwickshire, request a quote via Sales@nforcd.com.
Common symptoms this upgrade solves
- Imprecise handling or a loose feel at the rear
- Uneven or accelerated tyre wear
- Braking instability and poor mid-corner stability
- Alignment that will not stay set under load
Search-friendly terms
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