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Old 03-25-2017, 08:33 PM   #1
2003_330
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Pothole, now car won't start.

Hey y'all

I hit a pothole today going up a hill and my car suddenly was like, in neutral. I was pressing the gas but was only seeing the RPMs increase while losing momentum going up a hill. I managed to pull over and off the car, but now it won't start again, there's no crank, no click from the starter either. After hitting the pothole, While I was losing momentum up the hill I noticed that the gear indicator wasn't showing what gear I was in anymore, it was just lit orange. I saw the pothole and tried avoiding it but my rear left wheel really went thru it. What happened? Anyone have a similar problem?

Car also rolls in drive, and netural, but not in park

Last edited by 2003_330; 03-25-2017 at 08:40 PM.
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Old 03-26-2017, 07:26 AM   #2
markusmarkus
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Check you connections at the battery.
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Old 03-26-2017, 08:47 AM   #3
2003_330
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I have... my lights and dash light up fine there's just no crank. My battery is new.
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Old 03-26-2017, 11:53 AM   #4
Hamsocne
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Check out the "no start" thread stickied at the top.
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Old 03-26-2017, 12:44 PM   #5
tritron
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There is accidental switch on battery that disconnect positive voltage to starter. I bet you need new switch. http://forum.e46fanatics.com/showthread.php?t=597376
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Old 04-03-2017, 12:30 PM   #6
2003_330
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Anyone? The airbags didn't deploy or anything, interior lights and dash still lights up.. I can't even hear the starter attempt to turn over (the click noise)... it's just silent.
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Old 04-09-2017, 12:46 PM   #7
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Old 04-09-2017, 01:52 PM   #8
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You need a Voltmeter or test light and need to understand how to use it before anyone can help you.
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Old 04-09-2017, 03:57 PM   #9
jdstrickland
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I'm with jfoj on this one. You need to tell us more about what works and what doesn't.

The car is able to detect that it was in an accident, and when this happens it triggers several different shut-downs. If the car was really in a wreck, you would want to stop fuel flow because there might be a fire that would be fed by an open fuel line. You need to use a volt meter, although I cannot say where or what results you should be looking for. But, all you have said so far is, 'my car is broken, what's wrong?'

Your car also has theft detection, where it won't do anything if it thinks you are a crook that is working on stealing it. If you lock the door and walk away, the car will not start until you come back and unlock the door. If some dolt throws a brick threw a window and climbs in with a screwdriver to break the ignition lock, the car will not start. (You can prove this by leaving a window rolled down, locking the door, then reaching in through the open window and trying to start the car -- since the car is still locked, it will not start. (You also cannot unlock the doors from the inside, so the crook has to climb in and out through the broken window because he cannot open the doors.)

I do not think your issue is the crash detection, I think it is the ignition switch itself, or the key.

The ignition switch has an antenna around the key hole that talks to the key itself. The key and the car, through the antenna ring, do a handshake sorta like the garage door opener and the button that you carry around in your car. The car and the key must have a successful handshake or the starter will not turn on. The affect of a failed handshake is the same as putting the gear selector out or P or N, or failing to depress the clutch pedal if your car has one. If the key is the weak link, then you can test for this by using a different key. I'm not sure what the test for the antenna ring is, but you need Item 7 if the ring is the problem. The ring is not expensive, $10, give or take, so you can replace it and not be buried in credit card fees if it doesn't cure the problem.

http://www.realoem.com/bmw/enUS/show...diagId=32_1190


This would be a great time to have PA Soft 1.4.1 so you can scan the EWS module and see what it's pissed about.
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Old 04-09-2017, 04:00 PM   #10
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If the issue is directly related to hitting the hole, then the crash detect floats to the top of the list. The problem is, why would the car think it's been wrecked but not deploy the airbags? Seems like there should be other things wrong if the crash detect was in play here. The other stuff I mentioned would be an unexpected coincidence if they were at play because of the pothole.
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Old 04-09-2017, 04:55 PM   #11
fn42
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Quote:
Originally Posted by 2003_330 View Post
I noticed that the gear indicator wasn't showing what gear I was in anymore, it was just lit orange.
does it show park/neutral correctly? it will only start if it thinks its in P or N
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Old 04-09-2017, 08:08 PM   #12
Sicily1918
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Quote:
Originally Posted by jdstrickland View Post
If the issue is directly related to hitting the hole, then the crash detect floats to the top of the list. The problem is, why would the car think it's been wrecked but not deploy the airbags? Seems like there should be other things wrong if the crash detect was in play here. The other stuff I mentioned would be an unexpected coincidence if they were at play because of the pothole.
I don't believe that's a precondition to the car going into 'accident' mode, since the airbags deploy only if certain sensors are triggered (e.g., driver's side may not deploy if the car is t-boned from the right -- depending on the force of the impact).

OP: check the connection on the positive terminal, as Tritron suggested. That's step #1.
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