Bmw X3 Catalytic Converter
Replacement catalytic converter — fitment, symptoms & live UK prices.
Fits Bmw X3 — check your reg/VIN to confirm
From £14.95 · 6 live listings on eBay
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Will it fit my Bmw X3?
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 X3 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 X3 parts
Live pricesFrom £14.95
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