1993 BMW 740 Repair Question
1993 BMW 740 car will not charge battery
i recently had a new battery, spark plugs, crank sensor relay?, installed in my vehicle... after one day from leaveing the shop the vehicle completely died suddenly. i was told that it must be my alternator; after installing this, the same thing happened the next day after picking the vehicle up. obviously i was just running off the juice of my battery....does anyone have any suggestions?
First thing to do is make sure that the battery is indeed serviceable and capable of accepting a charge, then check the alternator charge rate. Do this first.
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I suggest checking for a key-off draw at the battery, it should not exceed 50 milliamp. I also agree with Mark, check for battery condition and alternator output.
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