Suspension
Strut top mount
Locates the top of a strut and isolates vibration.
At the top of a strut tower.
A resilient mount supports the assembly; steering struts may include a bearing for rotation.
A cushioned ceiling bracket for the suspension.
Clunks, creaks or binding can involve the mount, bearing or spring seating.
Wear is condition-based and strongly affected by roads, loads, impacts and seals. There is no universal replacement mileage.
Links and bushings are smaller repairs than complete adaptive struts or air-spring systems; alignment may be needed after work.
BMW strut and separate spring-damper layouts have different upper mounting arrangements.
BMW passenger cars and SAVs; spring, damper and axle design depend on chassis and options.
Same system