My BMW will start sometime and other times not. It always has power to interior. I will start it and drive it several times in a day and go out to start and nothing. It may sit over night and fire up.

Asked by May 26, 2015 at 03:52 PM about the 1998 BMW 7 Series 740iL

Question type: General

158000 . This may happen every day
and sometimes once or twice a week.

3 Answers

241,945

The battery might be weak, check the voltage, should be 12.3 or more. Is it older than 5 years old? Time to replace. Also check your fuel pressure, might be a weak fuel pump.

120

Not enough information in the question. Does it turn over? What other information can you provide?

120

At 12.3 volts the battery is discharged. Look for a minimum of 2.2 volts per cell. 2.2 X 6 = 13.6 volts.

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