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5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
hello fellas.
Yes, im back again, now with a different problem. Batt. indicator lights up now, especialy at low rpms. I checked the battery which is slightly low 11.8 volts. Then i went to the front with the car at idle it reads the same, meaning the alt. is not charging. I had the wife rev up the car and it began charging. as the rpms came down it stops charging.
The question: Is the alt. junk, or is there something i can do to correct it.
I was really hoping it was the battery, since its so much cheaper than replacing the freakin alt.
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charging system (bad alt) 
Linear Mode
