My BMW i7's battery seems to be draining quickly and sometimes won't start the car. I've tried charging it and it doesn't seem to hold a charge. How can I troubleshoot this issue?
ReplyFirst, check the battery connections and make sure they are clean and tight. If that doesn't solve the issue, you may have a faulty battery that needs to be replaced. It's best to take your car to a certified BMW mechanic for proper diagnosis.
Another possible cause could be a faulty alternator. Have a mechanic check the alternator's output to ensure it's charging the battery properly. If not, it may need to be replaced.
You could also have a parasitic drain on your battery. This means there is a component in your car that is constantly drawing power, even when the car is off. A mechanic can perform a parasitic draw test to determine the culprit and fix the issue.
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