Powerflex Polyurethane Rear Anti-Roll (Sway) Bar Mounting Bushes 21.5mm (Pair) – PFR5-4609-21.5 – BMW Z4M E85/E86 2006–2009
Powerflex Polyurethane Rear Anti-Roll (Sway) Bar Mounting Bushes 21.5mm (Pair) – PFR5-4609-21.5 – BMW Z4M E85/E86 2006–2009
  • Load image into Gallery viewer, Powerflex Polyurethane Rear Anti-Roll (Sway) Bar Mounting Bushes 21.5mm (Pair) – PFR5-4609-21.5 – BMW Z4M E85/E86 2006–2009
  • Load image into Gallery viewer, Powerflex Polyurethane Rear Anti-Roll (Sway) Bar Mounting Bushes 21.5mm (Pair) – PFR5-4609-21.5 – BMW Z4M E85/E86 2006–2009

Powerflex Polyurethane Rear Anti-Roll (Sway) Bar Mounting Bushes 21.5mm (Pair) – PFR5-4609-21.5 – BMW Z4M E85/E86 2006–2009

£52.68
£52.68
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Powerflex Rear Anti-Roll Bar Mounting Bushes 21.5 mm - PFR5-4609-21.5 - BMW Z4M E85 E86 2006 to 2009

Transform the handling of your BMW Z4M with Powerflex polyurethane rear anti-roll bar bushes. This 21.5 mm rear ARB mounting bush kit replaces soft, ageing rubber to deliver sharper turn in, reduced body roll, superior stability and consistent suspension geometry. Ideal for fast-road and track-day use while maintaining road comfort, these bushes maximise tyre contact with the road for confident, predictable performance.

At Nforcd, we have fitted Powerflex bushes on many customer cars, including Z4M platforms, and the feedback is consistently positive. Expect tighter, more precise steering response and improved braking stability from this essential suspension upgrade.

  • Precise handling and improved road holding
  • Reduces unwanted deflection under load
  • Prolongs tyre life and improves braking stability
  • Resists oil, road grime and temperature better than rubber
  • Direct replacement fitment with minimal NVH increase
  • Supplied as a pair with Powerflex lifetime warranty

Fitment and key details

  • Vehicle: BMW Z4M E85 Roadster and E86 Coupe 2006 to 2009
  • Location: Rear anti-roll bar mounting bush
  • Bar size: 21.5 mm - please measure your anti-roll bar before ordering
  • Quantity in pack: 2 bushes
  • Diagram reference: 4
  • Powerflex part number: PFR5-4609-21.5
  • OEM reference for cross check only: 31352229711

Why choose Powerflex for your Z4M

Powerflex poly bushes control suspension movement far better than tired rubber, keeping your alignment consistent under braking and cornering. The correctly formulated polyurethane maintains comfort while delivering a noticeable performance gain, making it one of the highest value handling upgrades for the Z4M.

Professional fitting

We recommend professional installation. Nforcd is based in Warwickshire and offers full fitting and geometry services. Request a quote at Sales@nforcd.com.

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Powerflex Z4M rear anti roll bar bushes 21.5 mm PFR5-4609-21.5 poly bushes polyurethane ARB bush kit rear sway bar bush rear stabiliser bar bush BMW Z4 M E85 E86 2006 2007 2008 2009 suspension upgrade handling upgrade reduce body roll improve turn in track day fast road direct replacement lifetime warranty pair 21.5mm