Where is the three-way catalytic converter located on the BMW 1 Series?

1 Answers
EzraFitz
07/29/25 6:21pm
BMW 1 Series three-way catalytic converter is located on the exhaust manifold, which is the header section of the exhaust pipe. Function of the three-way catalytic converter: The three-way catalytic converter serves to purify exhaust gases. This component can reduce the content of toxic and harmful substances in vehicle emissions, thereby benefiting environmental protection. The three-way catalytic converter is also a wear-prone part, and it may gradually lose effectiveness with prolonged use. Cleaning interval for the three-way catalytic converter: Clean every 30,000 kilometers. The three-way catalytic converter is a crucial purification device in vehicles. Its proper functioning determines the engine's operating conditions, including fuel consumption, power output, and emissions. If there is a sudden increase in fuel consumption, reduced vehicle speed, or unusual noises accompanied by odors from the exhaust pipe, the three-way catalytic converter might be malfunctioning.
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