Exchange primary catalytic converter
18 30 7 789 99018307789990·short number 7789990Genuine BMW Part
Photos coming soon — see the BMW diagram below
01 View BMW DiagramSee this part on the official exploded view→This is a genuine BMW exchange primary catalytic converter, part number 18 30 7 789 990. The number stamped on the part is 18307789990; BMW's catalog files it under the short number 7789990. You will find it on our Exhaust shelf, under Suspension parts exhaust.
It fits the E46 sedan, coupe, convertible and touring (330d, 2003–2005), with the M57N engine.
BMW draws it on the Diesel Catalyst (18_0403) diagram. It weighs about 4.5 kg (10.0 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
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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.