How a car works

All partsBMW M4 CSLSuspension & steering › Control arms

Control arms

Part of Suspension & steering · about $2,200 to replace

What it is

Forged aluminium lower arms front, five-link rear.

What it does

Locate the hub in the geometry the engineers chose.

How it fails

Bushings soften after 80,000 km: vague steering on entry.

MaterialForged aluminium
SpecFront: 2 lower arms per side
rear: 5 links
Control arms highlighted on the car

Inside this part

Nearby