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What are common issues with the BMW 3 Series electrical system?

I have noticed some strange behavior with my BMW 3 Series' electrical system. The lights flicker and the radio turns off randomly. What could be causing this and how can I fix it?

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Answers (3)

J

This could be caused by a faulty alternator, battery, or wiring. I recommend taking your BMW to a trusted mechanic for a diagnostic test to determine the root of the issue.

S

Another possible cause could be a loose or corroded battery connection. Check to make sure all connections are tight and clean. If the issue continues, it's best to have a professional inspect the electrical system.

D

In some cases, aftermarket modifications or accessories can also cause electrical issues. If you have recently installed any new parts, it's worth mentioning this to your mechanic during the diagnostic.

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