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BMW 3: Problems with electric fan and e-box fan

I have a BMW 3 and have problems with reduced engine performance. The error codes are 2EEF (electric fan self-diagnosis) and 2F71 (e-box fan control). The fan runs continuously as soon as the engine is warm. Where should I look for the problem first?

(Translated from German)

Summary of the thread

A BMW 3 is experiencing reduced engine performance with error codes 2EEF and 2F71, indicating issues with the electric fan self-diagnosis and e-box fan control. The electric fan runs continuously once the engine is warm. It is suggested to first inspect the electrical connections and wiring for both fans for any loose, corroded, or damaged connectors that could be causing the problem.

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1 comment(s)

CarlyMechanic

Start by checking the electrical connections and wiring for both the electric fan and the e-box fan control. Look for any loose, corroded, or damaged connectors that might be causing the issue. Let me know if you find anything unusual or if you need further assistance.

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BMW

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3