Powerflex Rear Shock Top Mount Bracket and Bush 10mm - PFR5-5630-10 for BMW Z4M E85 and E86 2006 to 2009
Upgrade your BMW Z4M suspension with the Powerflex Poly Bushes Pack for the rear shock top mount. This high performance polyurethane bush kit is engineered to sharpen handling, reduce unwanted suspension movement and deliver a more precise, confidence inspiring drive on the road and on track. Perfect for Z4M E85 and E86 owners seeking a durable, fit-and-forget solution with improved road feel and long term reliability.
Part Number: PFR5-5630-10
Vehicle Fitment: BMW Z4M E85 and E86 2006 to 2009
Diagram Reference: 30
Number of bushes in the pack: 2
Why choose Powerflex rear shock top mount bushes for your Z4M
- Improves handling precision and chassis control under cornering, braking and acceleration
- Reduces unwanted deflection in the rear shock upper mount for consistent geometry
- Enhances tyre contact with the road for better grip and safety
- Helps reduce uneven tyre wear and braking instability
- Durable polyurethane construction that resists ageing and tearing far better than rubber
- Excellent noise, vibration and harshness control when correctly formulated
- Backed by the Powerflex Lifetime Warranty
Compatibility and pin size
This kit suits cars with rear shock absorbers that use a 10 mm pin at the top mount. It will not fit E36 and E46 Cabriolet models.
Shock brand guidance for 10 mm pin fitment
- Original BMW - 10 mm
- AST - 10 mm
- Bilstein HD, Sport, PSS coilovers - 10 mm
- FK coilovers - 10 mm
- H and R coilovers - 10 mm
- Koni Sport - 10 mm
- KW V1, V2, V3 - 10 mm
- ST coilovers - 10 mm
- JRZ RS - 12 mm
- Tein coilovers - 12 mm
The list above is a guide only. If your shock absorber brand is not listed, measure the diameter of the upper shaft to confirm whether you need PFR5-5630-10 for 10 mm or the PFR5-5630-12 version for 12 mm.
Real world results
We have installed these Powerflex rear shock top mount bushes on our own cars and for many Z4M customers, and the feedback is consistently positive. Expect a tighter rear end, improved stability over bumps and sharper response with no fuss. This is a proven Z4M suspension upgrade that just works.
Fitting and support
Professional fitting available at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Key search terms
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Notes
- Designed for 10 mm upper shock pins. If your shock uses a 12 mm pin, use PFR5-5630-12 instead.
- Will not fit E36 and E46 Cabriolet models.

