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 7 788 247

Compact generator (exchange unit)

150A · E46 318d, 320d, 330d & more · one of 7 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 318d, 320d, 330d 1998–2002 — M47, M57 engines

Select your vehicle to check fitment
See all 20 fitting cars

Other types · 7 in all

Compact generator (exchange unit) – BMW diagram

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

Also shown on ALTERNATOR PARTS 120A/150A Valeo.

This is a genuine BMW compact generator (exchange unit), part number 12 31 7 788 247. You will find it under Electrical (Alternator with motor and mounting). It supersedes the older number 12 31 7 788 222, so a part carrying that number is the same part.

Fits E46 318d, 320d and 330d (1998–2002), sedan and touring, with the M47 or M57 engines.

BMW draws it on 2 drawings, among them Compact Alternator and ALTERNATOR PARTS 120A/150A Valeo. It weighs about 7.4 kg (16 lb).

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

Details

EnginesM47, M57
Weight7.38 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 7 788 247currentOut of stock
  • 12 31 2 249 966replaced by 12 31 7 788 247
  • 12 31 2 249 969replaced by 12 31 7 788 247
  • 12 31 7 787 346replaced by 12 31 7 788 247
  • 12 31 7 788 222replaced by 12 31 7 788 247

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

#PartIn stockAction
01Compact generator (exchange unit) · this part6 numbers at this calloutOut of stock

Reviews

No reviews yet.

InElectricalAlternator with motor and mounting