Exchange primary catalytic converter
18 31 7 785 55718317785557·short number 7785557Genuine BMW Part
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Exchange primary catalytic converter — a genuine BMW part, number 18 31 7 785 557. The number stamped on the part is 18317785557; BMW's catalog files it under the short number 7785557. You will find it on our Exhaust shelf, under Other Exhaust system parts. BMW has since replaced it with 7785911.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
It weighs about 6.7 kg (15 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
18 31 7 785 557183177855577785557No fitment data available for this part.
This part isn't shown in any diagrams.
Supersession
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- 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.