Compact alternator
12 31 7 521 38312317521383·short number 7521383Genuine BMW Part
Photos coming soon — see the BMW diagram below
-- View BMW DiagramSee this part on the official exploded view→Compact alternator — a genuine BMW part, number 12 31 7 521 383. The number stamped on the part is 12317521383; BMW's catalog files it under the short number 7521383. You will find it on our Electrical shelf, under Alternator with motor and mounting.
It fits every E46 body style (316i, 316ti, 318i and 318ti, 2001–2003), with the N40 or N42 engines.
BMW draws it on the Alternator single parts, 90/110A Bosch (12_1135) diagram. BMW lists the quantity used as “as required”.
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
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Every 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.