Powerflex PFF5-401 Polyurethane Front Radius Arm to Chassis Bush Kit for BMW 1 Series (E81 E82 E87 E88) Front Tension Strut/Control Arm Rear Bush 2 Bushes Lifetime Warranty

Powerflex PFF5-401 Front Arm Rear Bushing Set for BMW 1 Series E81, E82, E87, E88

Get your E8x front end feeling tight, precise and confidence inspiring. This Powerflex PFF5-401 pair replaces the soft factory mounts at the rear position of the front lower arm, limiting deflection for cleaner turn-in, stable braking and reliable geometry under load. A proven upgrade for spirited road driving and track day use, backed by the renowned Powerflex Lifetime Warranty.

What it does

• Controls arm movement to maintain alignment and caster, improving steering response and front-end bite
• Reduces wheel wobble under braking for greater stability and pedal confidence
• Helps curb uneven tyre wear by keeping the contact patch consistent
• Durable engineered polyurethane that outlasts ageing rubber and resists oil, road salt and heat
• Balanced NVH characteristics for daily use with performance gains you can feel

Fitment and position

• Part number: PFF5-401
• Platform: BMW 1 Series E81, E82, E87, E88
• Location: Front axle, lower control arm rear position
• Also known as: front wishbone rear bushing, caster arm bush, thrust arm bush, tension strut rear mount, front arm rear bush
• Diagram reference: 1
• Pack contents: 2 bushes
• Warranty: Powerflex Lifetime Warranty
• Additional reference: 3112676371931102283579

Why enthusiasts choose this upgrade

• Noticeably sharper steering feel without harshness
• Repeatable handling on B-roads, motorway and circuit
• Cost-effective long term solution compared with frequent rubber replacements
• Direct replacement design, engineered for an OE-grade fit

We fit these on customer cars and our own builds, and feedback is consistently positive. Expect a tighter front axle, better feedback through the wheel and a more planted BMW 1 Series.

Installation and support

Professional fitting recommended. Book installation with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk

Search-friendly terms

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