Genuine BMW Part
Photos coming soon — see the BMW diagram below
03 View BMW DiagramSee this part on the official exploded view→This is a genuine BMW cap, part number 12 31 7 505 923. The number stamped on the part is 12317505923; BMW's catalog files it under the short number 7505923. 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 2 diagrams, among them Alternator single parts, 90/110A Bosch (12_1135) and Alternator single parts, 120/140A Bosch (12_1148). It weighs about 80 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 7 505 923123175059237505923Every 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.