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Old 05-21-2013, 10:23 AM   #1
redarray
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Exclamation 02 E46 325i auto no cranking no start...

Hi everybody,

My 02 E46 does not cranking at all. Everything in the cluster instrument else seems ok. The car has a fresh new battery in it. When I try to crank it, there is no cranking, no click sound no voltage drop nothing happen at all.
I am just wondering is there a relay or fuse that I need to take a look?
I looked at fuse#14, which is a 5 amps fuse says Starter Interlock, it looks alright.

Thanks for any advise.
======================================
PROBLEM SOLVED. IT WAS A FAULTY KEY.
I get the other master key from my parent's house and the car started perfectly by using that key.

Thanks to everybody who helped in my thread, and hopefully it can help someone in the future.

Last edited by redarray; 05-27-2013 at 10:27 AM. Reason: problem solved
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Old 05-21-2013, 10:25 AM   #2
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probably starter
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Old 05-21-2013, 10:49 AM   #3
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probably starter
Thanks, but if it is the starter, shouldn't I hear a relay-like click sound? It is complete dead silent now...
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Old 05-21-2013, 12:25 PM   #4
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+1 on the starter. Sometimes this will work..... Try tapping the starter and have someone start the car at the same time. If that works, your starter is going bad. I had the same problem. There wasn't any clicking noise...nothing when I tried to start the car. I did get it to start by tapping the starter just to get it to the shop.
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Old 05-21-2013, 01:00 PM   #5
redarray
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+1 on the starter. Sometimes this will work..... Try tapping the starter and have someone start the car at the same time. If that works, your starter is going bad. I had the same problem. There wasn't any clicking noise...nothing when I tried to start the car. I did get it to start by tapping the starter just to get it to the shop.
Thanks, is there a easy way to tapping the starter? I couldn't even see it...

Last edited by redarray; 05-21-2013 at 01:13 PM.
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Old 05-21-2013, 01:38 PM   #6
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I'm with you redarray- at work and my car won't start. I need to try the same thing (tapping) later to get it home so I can replace the starter.
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Old 05-21-2013, 01:48 PM   #7
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Thanks, is there a easy way to tapping the starter? I couldn't even see it...
If you remove the cabin filter housing you should be able to reach it with something. Its right by the driver side fire wall. I removed mine and I was able to tap it with a pipe.
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Old 05-21-2013, 02:01 PM   #8
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I found these pics on the forums...hopefully it helps.. Good luck. Let us know the outcome.
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Old 05-21-2013, 02:02 PM   #9
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You can also check voltage to the starter by taking the voltage across the + and ground nodes under the hood. I had an issue at one point between the battery and + terminal that caused a no start that mimicked a dead starter.
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Old 05-21-2013, 02:20 PM   #10
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You can also check voltage to the starter by taking the voltage across the + and ground nodes under the hood. I had an issue at one point between the battery and + terminal that caused a no start that mimicked a dead starter.
What would be a good reading. I've read 12.3V or higher. ??
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Old 05-21-2013, 03:23 PM   #11
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What would be a good reading. I've read 12.3V or higher. ??
That's about right. I think 11.5-13.5 is fairly normal.
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Old 05-21-2013, 03:28 PM   #12
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02 E46 325i auto no cranking no start...

Just use a test light. Looks like a screw driver with a point and a light inside the handle. Connect one end to a ground or negative battery terminal. Then touch the positive wire going to the starter. Obviously you need 2 people when doing this. One person turns the key, the other checks to see if there's power getting to the starter. If there is, the starter is bad. If there's no power reaching the starter the next step is to check fuses/relays.


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Old 05-21-2013, 03:52 PM   #13
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Is it the correct battery? You cannot use a standard battery to start our engines, as the starter requires a much higher amperage. 750CCA should be correct if I am not mistaken.

Also, If you hear a single click and not repetative clicking when attempting to start the car, thats a good indication of starter issue.
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Old 05-23-2013, 09:40 AM   #14
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Originally Posted by ca5ua1ty View Post
Is it the correct battery? You cannot use a standard battery to start our engines, as the starter requires a much higher amperage. 750CCA should be correct if I am not mistaken.

Also, If you hear a single click and not repetative clicking when attempting to start the car, thats a good indication of starter issue.
the battery is correct, i couldn't hear any click...no sound at all...
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Old 05-23-2013, 09:46 AM   #15
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Have you tried another key.
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Old 05-27-2013, 09:10 AM   #16
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PROBLEM SOLVED. IT WAS A FAULTY KEY. Thanks everyone.
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Old 05-27-2013, 09:37 AM   #17
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PROBLEM SOLVED. IT WAS A FAULTY KEY. Thanks everyone.
Can you be more specific about your faulty key?

What did you just try another key and It worked?
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Old 05-27-2013, 10:15 AM   #18
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The manual says the keys have a battery inside that charge when inserted in ignition. If it can't start the car, how will it charge?

1st post...no longer a lurker.
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Old 05-27-2013, 10:38 AM   #19
redarray
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Can you be more specific about your faulty key?

What did you just try another key and It worked?
Yes exactly...

I left the other key with my parents. I got the key from them during my weekend visit and tried it this morning. The car started perfectly...

Still couldn't believe how come the key can be broken and apparently it is a common issue... I have my condo access key fob which is about 10 years old... same idea, but that cheap dirty made in china plastic key fob still works...
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Old 05-27-2013, 11:13 AM   #20
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The manual says the keys have a battery inside that charge when inserted in ignition. If it can't start the car, how will it charge?

1st post...no longer a lurker.
Battery in the key fob is for the remote only. Security system code does not require the battery in the con to work. They are 2 separate things.
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