Question about 2003 BMW 325

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325ci wouldn't turn on so I got a jump and then when I turn it of

The battery is full i suspect if the altanator charghes

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A working alternator can try to charge a bad battery but won't. Have the battery and charging system checked with a machine. Also note: your alternator is not designed to charge a battery. It is made to maintain the state of charge present in the battery. If the battery has been drained, then jumped, the alternator can put a surface charge there but will never fully charge the battery...This is only done with an external battery charger. Not doing this will over-work the alternator and shorten battery life!

Posted on Jul 30, 2009

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My car wont start it have to be jumped off and when i get it jumped off it will start but will not start again after i turn it off. i replaced the battery and it still does the same thing. i saw some smoke...


No because then it wouldn't jump. Does the vehicle even turn over? Is the battery dead and you are supplying it electricty by jumping it? If so check for a draw on the battery, loose or corroded battery terminal ends, and the alternator output.

Sep 02, 2011 | 1999 Pontiac Bonneville

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I get no response when I turn the key in the ignition switch. If I turn the key in the switch there is nothing


two things would cause this a totally dead battery. or a loss of the ground. headlights are grounded to the body and run directly off of the battery. since your lights dont work this would point to a dead battery.to find out if the battery is bad or if it was caused by the charging system not working. try jumping the car if you can get it started here are a couple of simple ways to check the charging. one with the car running remove the possitive cable from the battery if the car dies the altanator is not charging replace it. if the car stays running the battery most likely has dead cells and wont hold the charge. the other way is to take a bolt or small ferous metal object and on the back of the altanator there is a round cap in the center of the case if the piece of metal your using will stick to that cap then the altanator is producing a charge and the battery is the problem. if no magnetic field is present then the alternator is bad and needs replaced

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1 Answer

My bmw 325ci will not start, i tried booster cables and that did not do it


you are going to have to pull the battery out take it to you local parts store have them check it and see if it is any good it may come back bad or it may come back recharge and retest. you might take your altanator off and have them check it too. most part stores will do this service for free.. keep in touch ...

Apr 15, 2010 | 2003 BMW 325

1 Answer

I have a 1990 Nissan 300zx 5spd manual wont start i don't have power in the dash and i replaced the battery and it still wont start unless i jump it can you help?


if it starts when you jump it and have a new battery, the altanator is your next step....next time you jump it, leave it run with the lights and accesories on, take off the cables, is it kills the altanator is not doing its job.

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1 Answer

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This should be an easy one its either your battery or your altanator or possibly some bad wiring. Most likely your altanator.

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Car Shuts Off When Driving & Start Back Up.


did you check the charghing system? you may a bad alternator

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Is your serpentine belt working ok? Like is a pullie frozen up or anything

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1 Answer

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Pop open the hood (bonnet) on the left isde of the firewall there is a red/black battery connection so you can jump start the car without getting to the battery.

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