Genuine BMW part 34 32 6 750 798: EXPANSION TANK with warning switch. The number stamped on the part is 34326750798; BMW's catalog files it under the short number 6750798. You will find it on our Brakes shelf, under Brake lines.
It fits every E46 body style (320i, 325i and 330i, 2001–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Brake Master Cylinder/Expansion Tank (34_0764) and Brake master cylinder DSC (34_1092). It weighs about 180 g (0.4 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.
