All parts › BMW M4 CSL › Suspension & 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.
| Material | Forged aluminium |
|---|---|
| Spec | Front: 2 lower arms per side |
| rear: 5 links |