Powerflex PFR5-712 Rear Upper Suspension Control Arm/Wishbone Inner Polyurethane Bush Kit for BMW 6 Series E63 E64 2003-2010 – Pair – Camber Link Inner Pivot Bushes – Replaces 33322347991, 33322347990

Powerflex PFR5-712 Polyurethane Rear Upper Wishbone Inner Bush Kit for BMW 6 Series E63 E64 2003 to 2010

Restore razor-sharp chassis control on your BMW 6 Series with this uprated polyurethane rear upper wishbone inner bushing set. Swapping out tired rubber mounts for premium Powerflex poly dramatically reduces unwanted arm movement, keeps alignment true under load and delivers crisper steering feel, improved stability and more consistent grip in all conditions.

Ideal if you are experiencing vague turn-in, uneven tyre wear or braking instability, this direct-fit bushing upgrade is a proven way to tighten the rear end and unlock confidence on road and track.

Part number: PFR5-712
Diagram reference: 12
Position: Rear upper control link inner pivot, left and right
Quantity in pack: 2 bushes

Vehicle compatibility
BMW 6 Series E63 E64 2003 to 2010, coupe and convertible
Also replaces the bushing in the relevant BMW E60 rear arm with OE numbers listed below

OE cross references
33322347991, 33322347990

Why upgrade to polyurethane on the rear upper link

• Sharper steering response and predictable rear axle behaviour under hard acceleration and cornering
• Improved geometry control for better traction, stable braking and reduced tramlining
• Helps prevent irregular tyre wear by keeping camber and toe more consistent
• Durable, long-life solution versus perishable rubber, designed to perform mile after mile
• Backed by the Powerflex Lifetime Warranty for peace of mind

Tried, tested and recommended
We have installed this kit at our Warwickshire workshop and customer feedback has been excellent. Owners report noticeably tighter handling, a more planted rear end and a more precise steering feel without an intrusive increase in NVH. A simple, high-value handling upgrade for any well-driven E63 or E64.

What is included
A matched pair of Powerflex polyurethane inner pivot bushes for the rear upper arm, engineered to control arm deflection and maintain correct alignment under load.

Fitting and support
Professional installation is recommended, followed by a four-wheel alignment for best results. MJ Modifications offers expert fitting in Warwickshire. For a competitive quote or advice, email info@mjmodifications.co.uk.

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