Powerflex PFF5-8002 Black Series 95A Poly Bush Kit for BMW i3 (I01) 2013-on – Front Lower Control Arm Rear Bushing / Front Wishbone Rear Mount Bush (LCAB, Track Control Arm Inner) – Polyurethane OE Replacement 31106863739 31106863740

BMW i3 I01 Front Arm Rear Mount Bushings by Powerflex - PFF5-8002

Give your BMW i3 sharper steering, tighter front-end control and long-lasting precision with the Powerflex PFF5-8002 front arm rear mount bush kit. Built in the Black Series 95A compound for maximum stability and minimal deflection, these performance bushes keep your alignment consistent under load and help reduce uneven tyre wear on daily driving and fast-road use.

We have fitted PFF5-8002 to customer cars and our own builds, and the transformation in turn-in, feedback and confidence has been outstanding. If you want your i3 to feel planted, predictable and responsive, this is the upgrade to choose.

Why it works

• Improves front axle precision for cleaner turn-in and consistent geometry
• Stiffer compound controls arm movement at the rear pivot point
• Helps reduce tramlining and keeps the car stable under braking
• Resists oil, road salt and heat for a far longer service life than rubber
• Direct swap for the tired factory items with no machining required

Fitment details

Platform: BMW i3 I01, 2013 onward

Position: front lower arm, rear pivot location on the front axle

Part number: PFF5-8002

Replaces OE references: 31106863739 and 31106863740

What you receive

• 2 x front arm rear position bushes
• Quantity required per vehicle: 2

Workshop fitting

Professional installation available at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk. A wheel alignment is recommended after fitment.

Compatibility check

We will verify suitability before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout so we can confirm PFF5-8002 is right for your i3.

Resources

Fitting instructions: Powerflex PFF5-8002 installation guide

Customer results

Owners report crisper steering feel, better stability over bumps and more predictable cornering. Our workshop experience mirrors this, with noticeable gains in front-end accuracy and reduced movement under load.

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