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Genuine BMW
BMW Part Number12 31 2 247 405

Compact generator (exchange unit)

120A · 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 320d 1998–2000 — M47 engine

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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 2 247 405. You will find it under Electrical (Alternator with motor and mounting).

Fits E46 320d (1998–2000), sedan and touring, with the M47 engine.

BMW draws it on 3 drawings, among them Compact Alternator and ALTERNATOR PARTS 120A/150A Valeo. It weighs about 6.8 kg (15 lb).

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

Details

EnginesM47
Weight6.85 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.

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

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InElectricalAlternator with motor and mounting