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If your BMW's check engine light comes on, the first step is to pull over immediately. This warning typically signals an issue with the engine, and it's risky to keep driving while it's on. Once you've stopped, you can employ an OBD II diagnostic tool to check for any trouble codes. If you receive the code 7E8, it suggests an engine-related problem. To delve further into the issue, a more sophisticated diagnostic tool will be necessary. It's commonly a catalytic converter issue, especially in BMW cars.
In a BMW, when you see Code 7E8, it indicates an issue with the catalytic converter.
What issue is indicated by the 7e8 code on a 2016 BMW 320i?