Cover cap, alternator
12 31 7 831 43512317831435·short number 7831435Genuine BMW Part
Photos coming soon — see the BMW diagram below
03 View BMW DiagramSee this part on the official exploded view→Genuine BMW part 12 31 7 831 435: Cover cap, alternator. The number stamped on the part is 12317831435; BMW's catalog files it under the short number 7831435. You will find it on our Electrical shelf, under Alternator with motor and mounting.
It fits the E46 coupe and convertible (M3, 2001–2006), with the S54 engine.
BMW draws it on 2 diagrams, among them Alternator parts 120A/140A Valeo (12_1085) and Alternator parts 120A/140A Valeo (12_2028). It weighs about 73 g (0.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
12 31 7 831 435123178314357831435Every used part is inspected and graded before listing. Condition grades:
- Good — minimal wear, fully functional.
- Fair — normal wear, fully functional.
- Acceptable — visible wear, still functional.
Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.
Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.