How a car works

All partsBMW M4 CSLS58 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.

MaterialCopper windings, aluminium housing
Spec210 A
14.2 V regulated
Alternator highlighted on the car

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