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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 01-30-2015, 07:58 AM   #1
musho
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crank sensor location

My 318i e46 can't start! I parked it ok last night now it can't ignite. I gather it is a sensor in the crank area. Where exactly is it located? Is it difficult to replace? Urgent help!:
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Old 01-30-2015, 08:12 AM   #2
Kye7
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What leads you to believe that this is why it won't start?

Have you dropped your key since last night? Or dropped something on it?

Last edited by Kye7; 01-30-2015 at 08:13 AM.
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Old 01-30-2015, 08:27 AM   #3
musho
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Ya. I dropped the key into a glass of water. I removed battery immedietely, and blew it. Morning I put back and it happened- no start
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Old 01-30-2015, 09:20 AM   #4
Kye7
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You probably need a new key. Sorry to tell you.

I was at the gym about 4 months ago. I dropped a 35lb weight on the key. It seemed fine. I went outside to turn my car on, no start.
Could hear the fuel pump and had air and everything, but no start.

You need a new key buddy.

...
If you go to the dealer, $245.
There's an online store that you provide them with your VIN, proof of purchase/ownership, and picture of your plates, and you send them $70, and they ship the new key to you, already programmed.
I forget the name of the site... It shouldn't be too hard to find.

DONT go to the dealership and have them diagnose it. I went because I didn't know what it was, and I ended up getting charged $400 for them to 'diagnose' it. They said I needed an entire new security system, which would cost another $1000. They didn't even find the problem, I did. After much cursing. I paid the bill.. F*** BMW stealers. The key was my problem. There's a transmitter in there that allows the car to turn on when the key is ~2in from the ignition, authorizing the car to turn on.


---
You COULD try opening it again and putting it in a bowl of rice. But I'm willing to bet the transmitter is shot.
Worth a try though.

Last edited by Kye7; 01-30-2015 at 09:25 AM.
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Old 01-30-2015, 09:39 AM   #5
musho
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Thanx a million! If you can find the website, do so. I will search for it myself starting just about now.
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Old 01-30-2015, 04:08 PM   #6
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^ This thread will be of help: http://forum.e46fanatics.com/showthread.php?t=1008294.
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DIYs help you save money with repairs; let www.bmwpnpc.com help you save money with the parts.
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Old 01-30-2015, 11:28 PM   #7
musho
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Thanx. Let me try it out
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