318i overnight battery discharge
Discussion
Replaced old battery only to find new battery discharged in the morning.
Carried out diagnostic checks to see if alternator is charging batter, and with lights, radio, heater on any drain on battery.
Not only is the battery flat in the morning, but also heater blower is on, and sometimes either window or roof slightly open.
Need to do checks with a multimeter, although google searches indicate the possibility the FSU might need replacing. Are there any other checks, issues that i should be considering, thanks
Carried out diagnostic checks to see if alternator is charging batter, and with lights, radio, heater on any drain on battery.
Not only is the battery flat in the morning, but also heater blower is on, and sometimes either window or roof slightly open.
Need to do checks with a multimeter, although google searches indicate the possibility the FSU might need replacing. Are there any other checks, issues that i should be considering, thanks
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