POWERFLEX external rear suspension arm silencers for BMW Z4 (E85-E86)

These reinforced models located on the lower transverse arms as well as on the upper arms of the rear axle on the wheel side (see number 18 on the diagram) offer a better guidance in support as well as an increased longevity compared to an original version

For Roadster (E85) and Coupé (E86):
- All models including Z4 M Polyurethane: on average 40% stiffer than the original version
Sold as a pair