Ventilation cap
12 31 1 739 20412311739204·short number 1739204Genuine BMW Part
Photos coming soon — see the BMW diagram below
15 View BMW DiagramSee this part on the official exploded view→Genuine BMW part 12 31 1 739 204: Ventilation cap. The number stamped on the part is 12311739204; BMW's catalog files it under the short number 1739204. You will find it on our Electrical shelf, under Alternator with motor and mounting.
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 5 diagrams, among them Alternator, individual parts 105A (12_0434) and Alternator, individual parts 105A (12_0437). It weighs about 42 g (under 0.1 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 1 739 204123117392041739204No related or superseding parts.
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.