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Genuine BMW
BMW Part Number12 31 7 533 270

Generator (exchange unit)

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 316i, 316ti, 318i, 318ti 2001–04

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Generator (exchange unit) – BMW diagram

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

Also shown on Alternator single parts, 90/110A Valeo, Alternator, Alternator 140/150A.

Genuine BMW part 12 31 7 533 270: Generator (exchange unit). You will find it under Electrical (Alternator with motor and mounting). It supersedes the older numbers 12 31 7 521 491, 12 31 7 532 966 and 12 31 7 533 268, so a part carrying any of them is the same part.

Fits E46 316i, 316ti, 318i and 318ti (2001–2004) with the N40, N42, N45 or N46 engines.

BMW draws it on 4 drawings, among them Compact Alternator and Alternator single parts, 90/110A Valeo. It weighs about 7.0 kg (15 lb).

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

Details

EnginesN40, N42, N45, N46
Weight7.00 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 7 533 270currentOut of stock
  • 12 31 7 505 897replaced by 12 31 7 533 270
  • 12 31 7 505 901replaced by 12 31 7 533 270
  • 12 31 7 505 905replaced by 12 31 7 533 270
  • 12 31 7 505 907replaced by 12 31 7 533 270
  • 12 31 7 516 605replaced by 12 31 7 533 270
  • 12 31 7 516 723replaced by 12 31 7 533 270
  • 12 31 7 516 724replaced by 12 31 7 533 270
  • 12 31 7 521 490replaced by 12 31 7 533 270
  • 12 31 7 521 491replaced by 12 31 7 533 270
  • 12 31 7 525 430replaced by 12 31 7 533 270
  • 12 31 7 532 966replaced by 12 31 7 533 270
  • 12 31 7 533 268replaced by 12 31 7 533 270
  • 12 31 7 555 363replaced by 12 31 7 533 270

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

#PartIn stockAction
--Cable alternator-starter-base b+2 numbers at this calloutOut of stockRequest
01Generator (exchange unit) · this part7 numbers at this calloutOut of stock

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InElectricalAlternator with motor and mounting