Powerflex Poly Bushes Pack for BMW E63 E64 6 Series M6 2005 to 2010. Rear Upper Arm Inner Bush kit. Part Number: PFR5-712.
Transform the precision and feel of your BMW M6 with the Powerflex PFR5-712 Rear Upper Arm Inner Bush. These performance polyurethane bushes replace tired factory rubber, reducing unwanted suspension deflection for sharper turn in, improved stability under braking and more consistent tyre contact. Ideal for fast road and track use, and a proven upgrade for E63 and E64 6 Series M6 owners who want tighter handling, better feedback and long term durability.
At Nforcd we run Powerflex bushes on our own builds and our customers love the difference. Expect crisper steering response, more predictable cornering and reduced uneven tyre wear thanks to improved geometry control. Powerflex bushes come with a LIFETIME WARRANTY for total peace of mind.
Fitment and compatibility
- BMW 6 Series M6 E63 Coupe and E64 Convertible, 2005 to 2010
- Position: Rear Upper Control Arm Inner Bush
- Pack contents: 2 bushes
- Diagram reference: 12
- Also replaces the bush in E60 arm OE numbers: 33322347991 and 33322347990
Search terms many owners use for this item include BMW M6 rear upper arm inner bush, BMW E63 E64 rear control arm bushes, Powerflex rear upper arm bushes, polyurethane suspension bushes, E63 M6 rear suspension upgrade, E64 M6 rear arm inner bushing kit, PFR5-712, E60 arm bush 33322347991 33322347990.
Why choose Powerflex polyurethane bushes
- Sharper handling and steering precision
- More stable braking and cornering
- Reduced tyre wear and better geometry control
- Durable polyurethane that resists oil, heat and ageing
- Improved cost effectiveness over OEM rubber
- Backed by the Powerflex LIFETIME WARRANTY
If you are experiencing imprecise handling, braking instability or uneven tyre wear on your E63 or E64 M6, worn rubber bushes are often the cause. Upgrading to Powerflex PFR5-712 rear upper arm inner bushes restores confidence and performance.
Fitting service
Professional installation available at Nforcd in Warwickshire. Email Sales@nforcd.com for a fitting quote. We can supply, fit and align your BMW M6 for the best results.
Key details
- Brand: Powerflex
- Part number: PFR5-712
- Location: Rear Upper Arm Inner
- Vehicle: BMW E63 E64 6 Series M6 2005, 2006, 2007, 2008, 2009, 2010
- Replaces OE numbers: 33322347991 and 33322347990
- Quantity in pack: 2 bushes
Upgrade your BMW E63 E64 M6 with Powerflex rear upper arm inner bushes today for a tighter, more responsive drive.

