Alternator
12 31 1 721 91212311721912·short number 1721912Genuine BMW Part
Photos coming soon — see the BMW diagram below
-- View BMW DiagramSee this part on the official exploded view→Genuine BMW part 12 31 1 721 912: Alternator. The number stamped on the part is 12311721912; BMW's catalog files it under the short number 1721912. You will find it on our Electrical shelf, under Alternator with motor and mounting. BMW has since replaced it with 1739362.
It fits the E36 sedan and coupe (318i, 1992–1999), with the M40 or M42 engines — and the European-market versions.
BMW draws it on 3 diagrams, among them Alternator Parts 65a (12_0484) and Alternator Parts 65a (12_0554). BMW lists the quantity used as “as required”. It weighs about 5.2 kg (11 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 1 721 9121231172191217219120120488220Supersession
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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.