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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

Voltage regulator

BMW Part Number:12 31 7 559 183
12317559183short number 7559183
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One email the moment one is listed — nothing else.

Fits E46 — 320Ci, 320i, 325Ci, 325i, 325ti, 325xi, 330Ci, 330i +1 more
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Genuine BMW Part

Photos coming soon — see the BMW diagram below

Voltage regulator – BMW diagram02 View BMW DiagramSee this part on the official exploded view

Voltage regulator — a genuine BMW part, number 12 31 7 559 183. The number stamped on the part is 12317559183; BMW's catalog files it under the short number 7559183. You will find it on our Electrical shelf, under Alternator with motor and mounting. It supersedes the older number 7501752, so a part carrying that number is the same part.

It fits every E46 body style (320i, 325i and 330i, 2001–2006), with the M54 engine — and the European-market versions.

BMW draws it on 2 diagrams, among them Alternator single parts, 120A Bosch (12_1084) and Alternator single parts, 120A Bosch (12_2027). It weighs about 103 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 7 559 183
Also written as123175591837559183
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.