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Genuine BMW
BMW Part Number12 31 7 797 521

Compact alternator

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

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Fitment

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Compact alternator – BMW diagram

Callout -- on BMW’s drawing “Generator, individual parts”. Open the drawing →

Compact alternator — a genuine BMW part, number 12 31 7 797 521. You will find it under Electrical (Alternator with motor and mounting).

BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.

BMW draws it on 3 drawings, among them two Generator, individual parts drawings. It weighs about 7.6 kg (17 lb).

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

Details

Weight7.60 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 “Generator, individual parts”. Open the drawing →

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No fitment data available for this part.

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InElectricalAlternator with motor and mounting