Secondary air filter — a genuine BMW part, number 11 72 1 438 813. The number stamped on the part is 11721438813; BMW's catalog files it under the short number 1438813. You will find it on our Engine shelf, under Secondary air system.
It fits the E46 sedan, coupe, convertible and touring (325i and 330i, 2001–2006), with the M54 or M56 engines.
BMW draws it on 2 diagrams, among them Emission Control-Air Pump (11_2930) and Emission Control-Air Pump (11_3515). It weighs about 106 g (0.2 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.
