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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
3 Series Parts

Cap

BMW Part Number:12 31 7 505 928
12317505928short number 7505928
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One email the moment one is listed — nothing else.

Fits E46 — 316Ci, 316i, 316ti, 318Ci, 318i, 318ti
Select your vehicle to check fitment

Genuine BMW Part

Photos coming soon — see the BMW diagram below

Cap – BMW diagram03 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 12 31 7 505 928: Cap. The number stamped on the part is 12317505928; BMW's catalog files it under the short number 7505928. 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 Valeo (12_1170) and Alternator parts 120/140A Valeo (12_1171). It weighs about 74 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

BMW Part Number12 31 7 505 928
Also written as123175059287505928
QualityGenuine BMW · OEM

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.