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Genuine BMW
BMW Part Number12 31 7 797 661

Compact generator (exchange unit)

150A · E46 318d, 318td, 320Cd & 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

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Fits E46 318d–330d & more 2001–05 — M47N, M57N engines

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CompactM47NAllAT91

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 7 797 661. You will find it under Electrical (Alternator with motor and mounting). It supersedes the older number 12 31 7 789 983, so a part carrying that number is the same part.

Fits E46 318d, 318td, 320d, 320td and 330d (2001–2005) with the M47N or M57N engines.

BMW draws it on 4 drawings, among them Compact Alternator and ALTERNATOR PARTS 120A/150A Valeo. It weighs about 6.9 kg (15 lb).

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

Details

EnginesM47N, M57N
Weight6.90 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 7 797 661currentOut of stock
  • 12 31 7 789 983replaced by 12 31 7 797 661

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
CompactM47NAllAT91

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InElectricalAlternator with motor and mounting