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Genuine BMW
BMW Part Number11 25 1 739 503

Alcan piston

84.23 mm(+0.25) · one of 5 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

Make sure this fits your car

Fits E36 316i 1990–91 — M40 engine

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See all 4 fitting cars

Other sizes · 5 in all

Alcan piston – BMW diagram

Callout 01 on BMW’s drawing “Crankshaft-Pistons”. Open the drawing →

Alcan piston — a genuine BMW part, number 11 25 1 739 503. You will find it under Engine (Piston with rings and pin). It supersedes the older number 11 25 1 727 713, so a part carrying that number is the same part.

Fits E36 316i (1990–1991), sedan, with the M40 engine.

BMW draws it on the Crankshaft-Pistons drawing. BMW's catalog calls for four of these at each place it is fitted. It weighs about 63 g (0.1 lb).

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

Details

EnginesM40
Weight0.06 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.

  • 11 25 1 739 503currentOut of stock
  • 11 25 1 727 713replaced by 11 25 1 739 503

The other parts on BMW’s drawing “Crankshaft-Pistons”. Open the drawing →

#PartIn stockAction
01Alcan piston · this part88 numbers at this calloutOut of stock
03Snap ringOut of stockRequest
04Repair kit piston rings44 numbers at this calloutOut of stockRequest

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InEnginePiston with rings and pin