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Genuine BMW
BMW Part Number17 12 7 520 668

Water hose, inlet, thermostat

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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Water hose, inlet, thermostat – BMW diagram

Callout 01 on BMW’s drawing “Water hoses”. Open the drawing →

Water hose, inlet, thermostat — a genuine BMW part, number 17 12 7 520 668. You will find it under Cooling System (Coolant lines). It supersedes the older number 17 12 7 507 748, 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 the Water hoses drawing. It weighs about 450 g (1.0 lb).

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

Details

EnginesN40, N42, N45, N46
Weight0.45 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.

  • 17 12 7 520 668currentOut of stock
  • 17 12 7 507 748replaced by 17 12 7 520 668

The other parts on BMW’s drawing “Water hoses”. Open the drawing →

#PartIn stockAction
--Jack SLK 2.8 ELAOut of stockRequest
01Water hose, inlet, thermostat · this partOut of stock
02Vent screw2 numbers at this calloutOut of stockRequest
03Hose clamp2 numbers at this calloutOut of stockRequest
04Water pipe, expansion tank/thermostatOut of stockRequest
05Expanding rivetOut of stockRequest
06Cable holderOut of stockRequest
07Cable holder4 numbers at this calloutOut of stockRequest
08Water hose, outlet, thermostat2 numbers at this calloutOut of stockRequest
09Temperature sensor, coolantOut of stockRequest
10Hose clamp2 numbers at this calloutOut of stockRequest
11Socket housingOut of stockRequest

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InCooling SystemCoolant lines