Water pipe, expansion tank/thermostat — a genuine BMW part, number 17 12 7 511 204. The number stamped on the part is 17127511204; BMW's catalog files it under the short number 7511204. You will find it on our Cooling System shelf, under Coolant lines.
It fits every E46 body style (316i, 316ti, 318i and 318ti, 2001–2004), with the N40, N42, N45 or N46 engines.
BMW draws it on the Water hoses (17_0214) diagram. It weighs about 1.1 kg (2.4 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Every used part is inspected and graded before listing. Condition grades:
Good — minimal wear, fully functional.
Fair — normal wear, fully functional.
Acceptable — visible wear, still functional.
Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.
Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.
