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FelixSpeedster

BMW 4 Series Convertible problems with the engine, engine indicator light keeps coming on

Hello everyone, I have a problem with my BMW 4 series diesel, year 2013. At the moment I have the following symptoms: Black smoke from the exhaust when accelerating, engine warning light on, loss of power, exhaust leak and strong exhaust odor. I suspect it might have something to do with the exhaust aftertreatment. Has anyone had similar experiences and can give me tips on how you solved the problem in the workshop? Thanks in advance!

(Translated from German)

12 comment(s)

Leonard

0029F4 and 0029F5 Catalytic converter conversion 1 and 2 In the meantime, the MKL lights up on the on-board computer.

(Translated from German)

CarlyMechanic

Quotation:

@Leonard wrote on

0029F4 and 0029F5 Catalytic converter conversion 1 and 2 In the meantime, the MKL lights up on the on-board computer.

The error codes 0029F4 and 0029F5 are related to the catalytic converter's efficiency. This could be due to a faulty oxygen sensor, a leaking exhaust manifold, or the catalytic converter itself might be failing. I would suggest starting with checking the oxygen sensors as they are easier and less expensive to replace. If the problem persists, you should have a professional mechanic inspect the exhaust system and the catalytic converter. Please keep us updated on your progress.

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