All parts › BMW M4 CSL › S58 engine › Alternator
Alternator
Part of S58 engine · about $690 to replace
What it is
Belt-driven generator with clutch pulley.
What it does
Recharges the battery and powers the electrical system.
How it fails
One-way clutch pulley wears first: growl at idle that vanishes when the belt is off.
| Material | Copper windings, aluminium housing |
|---|---|
| Spec | 210 A |
| 14.2 V regulated |