Eibach ERS 4in Length x 2.5in ID Coil-Over Spring (0400.250.XXXX) YMM_2015_2022_BMW_7_Series_VI_G11_G12 The Bilstein B6 Performance Dampers

The Bilstein B6 Performance Dampers feature a monotube construction with a corrosion-resistant coating

5mm center bore

2006-2008 BMW Z4M

The Bilstein B8 Performance Plus Dampers feature a monotube design with a high-strength steel body and a nitrogen-charged chamber that ensures consistent damping force throughout the ride

making it accessible for enthusiasts and professional installers alike

Eibach ERS 4in Length x 2.5in ID Coil-Over Spring (0400.250.XXXX) YMM_2015_2022_BMW_7_Series_VI_G11_G12 The Bilstein B6 Performance DampersCoil over Spring by Eibach A properly tuned spring system provides the muscle needed to transform the power derived from the engine of a racing car to the track through optimum adhesion. Suspension tuning is a precise balance. On one hand, the spring system should be soft enough to compensate for road irregularities assuring permanent road contact, while on the on the other hand the spring system must be firm enough to reduce the body roll, squat, and