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Genuine BMW
BMW Part Number16 13 1 181 850

Expansion tank

to 01/1993 · one of 3 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 E36 316i–325td & more 1990–94 — M40, M42, M50 engines

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Other types · 3 in all

Expansion tank – BMW diagram

Callout 01 on BMW’s drawing “EXPANSION TANK/TUBING”. Open the drawing →

This is a genuine BMW expansion tank, part number 16 13 1 181 850. You will find it under Fuel System (Ventilation, emission monitoring). It supersedes the older number 16 13 1 180 246, so a part carrying that number is the same part.

Fits E36 318i, 320i and 325i (1992–1999), sedan and coupe, with the M40, M42 or M50 engines.

BMW draws it on the Expansion Tank/Tubing drawing. It weighs about 550 g (1.2 lb).

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

Details

EnginesM40, M42, M50
Weight0.55 kg
OE / Cross-Reference
74304

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.

  • 16 13 1 181 850currentOut of stock
  • 16 13 1 180 246replaced by 16 13 1 181 850

The other parts on BMW’s drawing “EXPANSION TANK/TUBING”. Open the drawing →

#PartIn stockAction
01Expansion tank · this part3 numbers at this calloutOut of stock
02Plastic nutOut of stockRequest
03Fuel hose2 numbers at this calloutOut of stockRequest
04Hose clampOut of stockRequest
05Fuel hose2 numbers at this calloutOut of stockRequest
06Vent pipe5 numbers at this calloutOut of stockRequest
07Hose clampOut of stockRequest
08Stone-chip guard2 numbers at this calloutOut of stockRequest
09Expanding rivetOut of stockRequest

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InFuel SystemVentilation, emission monitoring