Powerflex Front Control Arm/Wishbone & Thrust (Tension) Strut to Subframe/Chassis Polyurethane Bushes/Bushings Kit for BMW Z4 G29 2018+ - Radius/Caster Arm Polybush Upgrade - PFF5-5401

BMW Z4 G29 Front Control Arm Bushing Kit – PFF5-5401

Transform steering response and braking stability on your 2018 onwards BMW Z4 G29 with this premium front tension strut to subframe bushing set. Built around a tough 95A polyurethane core and precision anodised aluminium outer shells, PFF5-5401 dramatically cuts arm deflection for razor-sharp turn-in, consistent geometry and longer tyre life. A proven fast-road upgrade our team has fitted and loved, with excellent feedback from customers who wanted tighter front-end feel without fuss.

Why upgrade these front bushes?

• Up to 300% stiffer than the factory rubber inserts for superb control under hard braking and cornering.
• Reduces longitudinal wheel movement to keep alignment stable and improve braking confidence.
• Sharper steering, more precise feedback and increased mid-corner stability.
• Greater durability than OE-style rubber for long-term performance and cost-effectiveness.
• Ideal for road and fast-road use when you want a serious handling upgrade.

Technical details

• Part number: PFF5-5401
• Vehicle: BMW Z4 G29 (2018 on)
• Location: Front caster/thrust arm to subframe
• Material: 95A durometer polyurethane with anodised aluminium outer shells
• Pack contents: 2 bushes
• Series: Road Series (for road and fast-road use)
• Diagram reference: 1
• Replaces OEM references: 31106878587, 31106878588, 48640-WAA02, 48620-WAA02

Direct-fit performance

This front wishbone/tension strut bushing kit is a straight replacement for the stock items, engineered to resist flex and maintain accurate suspension geometry. Expect improved braking stability, reduced wheel hop and a more connected front end on B-roads and track taster days.

Fitting service

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

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