Alternator — BMW 3 Series G20 Saloon

BMW exploded parts diagram 12_1848 (12 Engine electrical system) for the BMW 3 Series G20 Saloon. ETK list captured for some variants on this drawing; parts we can identify for the others.

Parts on this diagram

BMW lists these parts for the models shown. Check with your VIN before ordering.

• 1 · 12 31 8 689 831 — Alternator 180A
• 1 · 12 31 8 689 832 — Alternator 250A
• 1 · 12 31 8 634 166 — RP Alternator 180A
• 1 · 12 31 8 634 167 — RP Alternator 250A
• 1 · 12 31 8 490 538 — RP Starter generator 48V
• 2 · 12315A284D3 — Carbon brush set
• 4 · 12 31 9 908 092 — Hexalobular socket screw BM10x125
• 5 · 07 12 9 908 286 — Hexalobular socket screw BM10x75
• 6 · 12315A284C3 — Cover cap, alternator 150A

Diagram © BMW AG as printed on the drawing. Reproduced for part identification. OEM Diagrams is independent of BMW AG, MINI and Rolls-Royce Motor Cars.