Shop 2012 BMW M6 Coil Spring Damper. 525i, 530i; Standard Suspension. 525xi. 528i, 535i; w/o Sport Suspension, Susp, Make - OEM BMW Part # 33536761027 (33-53-6-761-027)

Damper. Additional shock absorber. Bumper. Coil Spring.
A component (mounted in the center of the Spring) which cushions the Spring as it is compressed.

Coil Spring Damper

525i, 530i; Standard Suspension. 525xi. 528i, 535i; w/o Sport Suspension. 528xi. 530xi; Sedan. 535xi; Sedan. 545i; Standard Suspension. 550i; Standard Suspension. 550i; w/o Sport Suspension. SEDAN, 3.0L, 4.8L, w/o sport susp. SEDAN, w/o sport susp.
Suspension Coil Spring - Repair or Replace
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local service department to have your suspension system evaluated.