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The most important part of your BMW's emission system, catalytic converters reduce emissions of harmful gases found in your exhaust. You should aim to get your catalytic converter checked every few months, but if your engine is misfiring or you notice a loss of power when accelerating, then it could be time for a replacement for your 1 Series, Z3, or 3 Series.
Each BMW is different, so to check which catalytic converter is suitable for your BMW, simply enter your registration number into the tool above. Once you've found what you need, have free UK delivery on us, or opt for click and collect to pick up your catalytic converter from one of our 200+ nationwide stores.