Genuine BMW part 18 10 7 504 173: Centre and rear silencer. The number stamped on the part is 18107504173; BMW's catalog files it under the short number 7504173. You will find it on our Exhaust shelf, under Catalytic converter/front silencer.
It fits the E46 convertible (325i, 2001–2006), with the M54 engine — and the European-market versions.
BMW draws it on the Centre and rear silencer (18_0427) diagram. It weighs about 18 kg (41 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.
