My battery was low so i jumped the car it started right up and i tested the voltage it was 14.2 after running for ten minutes the battery light came on and the the voltage just kept dropping till i shut off car at 8.4 volts what did i do please help

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This is the first time this has happened

Jun 7, 2018

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What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2006 BMW 330Ci. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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My battery was low so i jumped the car it started right up and i tested the voltage it was 14.2 after running for ten minutes the battery light came on and the the voltage just kept dropping till i shut off car at 8.4 volts what did i do please help

What is your question?

This is the first time this has happened

carfox75 in Palm Coast FL

Jun 7, 2018

1 Reply

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AskAlexon Jun 8, 2018

Sounds like an alternator or voltage regulator issue. If you can get it to a shop they can do a load test to check the battery and alternator. Alex

carfox75on Jun 8, 2018

When i jumped the car i noticed a small white plug with a red and a blue wire i thought i might have unplugged it by accident but i cant see anywhere for it to plug int and there is a yellow plug on positive side of battery what does it do it is plugged in thanks

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Popular Answer

What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2006 BMW 330Ci. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.