Powerflex PFF5-401 replaces the rubber front radius arm to chassis bushes on the BMW Z4 E89 (2009 onwards). Two high-durometer polyurethane bushes restore precise geometry and eliminate deflection.
Direct fit - no modifications, no machining, no guesswork
Sharper turn-in and reduced tramlining on UK B-roads or track days
Lifetime warranty from Powerflex - built for fast-road and occasional track use
Improves front-end consistency and helps extend tyre life
