Bilstein B3 Rear Coil Spring (38-228599) - BMW X3 E83 Coil Spring Performance Upgrade: Significantly improved handling

Performance Upgrade: Significantly improved handling and stability over factory dampers

factory-matched suspension upgrade

Bilstein B8 5100 is the go-to choice for lifted vehicle suspension—engineered for strength

no compromise

or frequent long-distance travel

Bilstein B3 Rear Coil Spring (38-228599) - BMW X3 E83 Coil Spring Performance Upgrade: Significantly improved handlingIf you're looking for quality, look no further. By choosing BILSTEIN springs, you're backing an uncontested champion: a successful motor sports fitter and a leading original equipment manufacturer of automotive springs. The benefits of BILSTEIN B3 shock absorbers are: Innovative technical designs, such as Pigtail ends, Minibloc forms and central force design High quality chrome vanadium or chrome silicone steel for an extremely high level of break