Question about 2003 BMW 325

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My car won't turn over completely when starting the engine. The battery is good. I think it may be my starter or alternator. Where is my starter located in a 1994 BMW 735i? And How do I differentiate if it's my starter or alternator?

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All the alternator does is charge your battery. If the battery is good, like you say, and the battery cables and connections are clean and tight, then it probably is the starter. If it doesn't start with a boost either, then you know it's the starter. If it does start with a boost, then your battery is no good, and that could be because of a problem with your alternater. If you don't have an amp guage on your car, any garage will have one, and be able to test your alternator in a few seconds.

Posted on Jun 04, 2009

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My car will not start. The battery is new and has a full charge and turns everything on when I turn the key but when I try to start it, it will not do anything not even clicking noise.


if the battery is good it is NOT the alternator. the alternator charges the battery, if it won`t start with a new battery the alternator does nothing to affect the situation. check voltages at the starter motor connections for proper voltages even the wires that the ignition switch supplies power to. if you have proper voltages at the starter you can try hitting the starter while someone tries to start the car. if it starts the starter is worn internally and will have to be replaced.

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Open hood and look at left side of engine compartment. Find the braid jumper going from engine block to fender. Grab hold and wiggle. It may be loose from corrosion at the fender end. If possible tighten. If not replace with a new heavy jumper from block to body of car. This a major design flaw since battery charging current and starter current is forced through this skimpy wire and connection. I replaced battery and alternator twice before discovering this defect.

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If the starter motor is turning the problem may be a broken flywheel tooth. If starter is not engaging the solenoid may be bad or not hooked up but that seems unlikely since starter was replaced. The problem's down there. If solenoid not clicking then problem may be further back.

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My 1993 Ford Aerostar Van won't start without a jump and when it does it won't stay running. Is it a fuse or the aternator?


jump start vehicle warm it up so its idle then disconnect the negative battery terminal ,if engine stops then the alternator is no good ,if it keeps running then renew the battery

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the clicking that you hear is coming from the starter relay. sounds like your ignition starter switch or ignition lock cylinder is bad.

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Car wont start,seems like battery went dead


If the car doesn't start with a jump you might have a bad alternator. The alternator supplies voltage to the car once the engine is running. If the battery is dead, and the alternator isn't putting out sufficient voltage, the engine cannot run. Then again sometimes a car with an extremely dead or internally shorted battery WON'T start with a jump. Replace the battery and try again.

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1 Answer

My '99 saturn sl won't start. the battery has a charge, and the alternator is good, but it won't turn over.


Hi Vernon, There could be a number of different reasons why your vehicle is failing to start. The battery voltage could be dropping during start and become unable to engage the starter motor to turn the engine. You can check this by trying the key with the head lights switched on. If the lights become very dim, you'll need to check the battery, meaning clean the terminals and then try to start with a jump from another battery. If you achieve start up and it fails again the following morning, you will probably need to replace the battery. There could be a problem with the starter relay or a loose contact for the starter motor, most lik3ely the one connecting to the soliniod. It would be good to know some additional information, such as does a clicking sound come from the starter when engaged? Is there a perceptible drop in voltage output when the starter is engaged? does the enine turn at all? Try what I've suggested and if that does not solve the problem answer the questions and let me know anything else which you may think is relevant. Regards John

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1997 Nissan Maxima - won't start; engine doesn't turn over; I hear only a "click" sound; Checked the battery - It's good, took the starter up to Pep Boys and checked - it rocks, just...


This sounds SO-O-O-O familiar! There are all kinds of variables here.

First, why was the alternator replaced? Did anyone ever perform a charging sytem test on the vehicle before making this decision?

If the alternator was in fact bad, it is VERY COMMON for a shorted cell in a battery to be the CAUSE of the alternator going out. Has the battery been PROPERLY tested?

Then I have a serious problem with taking the starter off of the car to have it "checked". What is anybody going to do with the starter off of the vehicle? Put some battery power to it and see if it spins? Just because it spins on a "bench test" does NOT mean that it is good, or that it has enough power to actually turn an engine over.

You probably only have something really simple like a bad battery cable causing this whole thing!

Please review the following articles:

My Car Won't Turn Over

What Else Could Be Wrong?

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1 Answer

2001 Santa Fe possible starter problem


Yes, because the bushings wear out, causing the armature to hit the field under starting load.....dead short. Jumping gives you added amperage allowing the starter to work. (forcing it to work) Buy a new one.
P.S. DON"T RUN YOUR ENGINE WITH THE BATTERY DISCONNECTED!!!!!! You will cook your alternator........zzzzzzzzzzz!

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