Bilstein B3 Rear Coil Spring (38-163531) - Opel Astra H R6 Engineered specifically for the BMW

Engineered specifically for the BMW M3 RENNEN

Whether you're corner carving on back roads or enhancing your daily commute

and handling precision where standard shocks fall short

the B6 4600 provides greater stability

Monotube Gas Pressure Technology: Consistent damping even under high-performance conditions—no fade

Bilstein B3 Rear Coil Spring (38-163531) - Opel Astra H R6 Engineered specifically for the BMWIf 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