Skip to content
FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
Genuine BMW
BMW Part Number12 31 1 432 980

Compact generator (exchange unit)

120A · E46 320Ci, 320i, 323Ci & more · one of 8 types

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

Make sure this fits your car

Fits E46 320i, 323i, 323i 2.4, 328i 1997–2001 — M52 engine

Select your vehicle to check fitment
See all 40 fitting cars
CoupeM52AllBM11

Other types · 8 in all

Compact generator (exchange unit) – BMW diagram

Callout 01 on BMW’s drawing “COMPACT ALTERNATOR”. Open the drawing →

This is a genuine BMW compact generator (exchange unit), part number 12 31 1 432 980. You will find it under Electrical (Alternator with motor and mounting). It supersedes the older number 12 31 1 432 981, so a part carrying that number is the same part.

Fits E46 320i, 323i and 328i (1999–2005), sedan, coupe, convertible and touring, with the M52 engine.

BMW draws it on 3 drawings, among them two Compact Alternator drawings. It weighs about 6.8 kg (15 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesM52
Weight6.80 kg

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

BMW has renumbered this part. All of these numbers are the same part.

  • 12 31 1 432 980currentOut of stock
  • 12 31 1 432 979replaced by 12 31 1 432 980
  • 12 31 1 432 981replaced by 12 31 1 432 980
  • 12 31 1 432 985replaced by 12 31 1 432 980
  • 12 31 1 740 629replaced by 12 31 1 432 980
  • 12 31 1 740 631replaced by 12 31 1 432 980

The other parts on BMW’s drawing “COMPACT ALTERNATOR”. Open the drawing →

#PartIn stockAction
--Cable alternator-starterOut of stockRequest
01Compact generator (exchange unit) · this part2 numbers at this calloutOut of stock
CoupeM52AllBM11

Reviews

No reviews yet.

InElectricalAlternator with motor and mounting