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Genuine BMW
BMW Part Number12 31 7 570 152

Pulley alternator

VALEO · one of 4 sizes

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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Other sizes · 4 in all

Pulley alternator – BMW diagram

Callout 01 on BMW’s drawing “Alternator single parts, 90/110A Valeo”. Open the drawing →

Also shown on Alternator parts 120/140A Valeo, Alternator, Alternator 140/150A.

Genuine BMW part 12 31 7 570 152: Pulley alternator. You will find it under Electrical (Alternator with motor and mounting). It supersedes the older number 12 31 7 550 001, so a part carrying that number 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 5 drawings, among them Alternator single parts, 90/110A Valeo and Alternator parts 120/140A Valeo. It weighs about 350 g (0.8 lb).

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

Details

EnginesN40, N42, N45, N46
Weight0.35 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 7 570 152currentOut of stock
  • 12 31 7 505 927replaced by 12 31 7 570 152
  • 12 31 7 516 105replaced by 12 31 7 570 152
  • 12 31 7 536 960replaced by 12 31 7 570 152
  • 12 31 7 550 001replaced by 12 31 7 570 152

The other parts on BMW’s drawing “Alternator single parts, 90/110A Valeo”. Open the drawing →

#PartIn stockAction
01Pulley alternator · this part2 numbers at this calloutOut of stock
02Generator (exchange unit)Out of stockRequest
03CapOut of stockRequest
04Hex Bolt with washerOut of stockRequest
05Cap nutOut of stockRequest

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InElectricalAlternator with motor and mounting