Bmw E46 Catalytic Converter
Replacement catalytic converter — fitment, symptoms & live UK prices.
Fits Bmw E46 — check your reg/VIN to confirm
Catalytic Converter
Aftermarket £80–£250; OEM much more.
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Will it fit my Bmw E46?
Must be the correct emissions-spec cat for your engine and year, or it'll fail MOT. Type-approved units only.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Bmw E46 catalytic converter needs replacing
- P0420 / catalyst efficiency code
- Rattling inside (broken substrate)
- Failed emissions/MOT
- Sluggish, rotten-egg smell
Fitting it yourself
Bolt-on or welded depending on setup. Lambda sensors often transfer over.
See Catalytic Converter prices on eBayMore Bmw E46 parts
HeadlightBmw E46ExhaustBmw E46Mass Air Flow SensorBmw E46Fuel PumpBmw E46RadiatorBmw E46Water PumpBmw E46
Live pricesAftermarket £80–£250; OEM much more.
View on eBay