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E34 (1989 - 1995)

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  #1  
Old 02-18-2013, 06:17 PM
gorillaguru gorillaguru is offline
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Location: Athens Georgia
 
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Mein Auto: 1995 Bmw 525i
E34, crank no start

Last night it dropped down to about 24 degrees, this morning my 525i wouldn't start...any ideas?
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  #2  
Old 02-18-2013, 06:24 PM
gorillaguru gorillaguru is offline
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Location: Athens Georgia
 
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Mein Auto: 1995 Bmw 525i
not the battery, not the fuel pump, the dme is fine, all the related fuses have power, it almost sounds like it has no compression, never overheated, no milky oil, the only thing I can think of is the EWS...the Dme stores a code for DWA but the car isn't equipped with that module.
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  #3  
Old 02-18-2013, 09:13 PM
rv6rick rv6rick is offline
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That's what happened to mine .

You might get lucky by jumping and cranking it super fast. Pump the accerator then leave it on the floor. If it sounds like it's trying to 'catch' then it might go. If not then I had to pull all of the plugs and squirt about 3 'straw fulls' of oil down each spark plug hole. That will seal up the rings and cylinders again. Then crank and it should fire and blow out all of the smoke and oil as it clears through.

This thread could be a short 3 or 4 posts instead of the 13 PAGES of posts on mine as it took a while to figure it out....as well as a lot of extra parts and trouble shooting .

Good Luck.

Rick in Ohio
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  #4  
Old 02-19-2013, 04:34 AM
snowsled7 snowsled7 is offline
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I doubt the fact that it was 24 degrees had anything to do with it. Maybe hard to beleive in Georgia but that isn't anywhere near real cold. If it was -24*F, then maybe it would be a contrinuting factor.

Focus on regular no start issues.
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  #5  
Old 02-19-2013, 06:28 AM
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Monsignor Monsignor is offline
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have you check the relay? I had a no-start that turned out to be the FP relay. When you have the key turned to accessories, can you hear the FP priming? should be a whirring sort of sound...

Also, check your CPS. A failed CPS would cause a reagular crank, for as long as you have the key turned without ever firing...
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  #6  
Old 02-19-2013, 06:35 AM
upallnight upallnight is offline
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Quote:
Originally Posted by gorillaguru View Post
not the battery, not the fuel pump, the dme is fine, all the related fuses have power, it almost sounds like it has no compression, never overheated, no milky oil, the only thing I can think of is the EWS...the Dme stores a code for DWA but the car isn't equipped with that module.
If it is cranking it's not the EWS. EWS would be a no crank nothing going on situation. How long did you try cranking the engine? You probably flooded the engine. Remove a spark plug and see if it is wet. If it is, remove all the remaining plugs and dry them. Get a can of compress air and dry out the cylinders. Like my dad taught me. if the plugs are wet, you're never going to start the engine.

Last edited by upallnight; 02-19-2013 at 06:41 AM.
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  #7  
Old 03-11-2013, 07:22 PM
BustedUpBeemer BustedUpBeemer is offline
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Mein Auto: 92 bmw 525i
Sounds like the air temperature sensor to me.
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  #8  
Old 03-12-2013, 05:44 AM
gorillaguru gorillaguru is offline
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Location: Athens Georgia
 
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Mein Auto: 1995 Bmw 525i
It was the fuel pump relay.
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  #9  
Old 03-12-2013, 05:48 AM
snowsled7 snowsled7 is offline
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Thanks for letting us know

Score one for Monsignor! YOU had the right diagnosis
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  #10  
Old 03-12-2013, 05:49 AM
gorillaguru gorillaguru is offline
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Quote:
Originally Posted by Monsignor View Post
have you check the relay? I had a no-start that turned out to be the FP relay. When you have the key turned to accessories, can you hear the FP priming? should be a whirring sort of sound...

Also, check your CPS. A failed CPS would cause a reagular crank, for as long as you have the key turned without ever firing...
Thanks dude, after freaking out and thinking the worst I collected my thoughts and restarted my diag, the wiring diagram I was using was backwards, I actually took the fuel pump out to verify that it worked, while I was there I cleaned some debris from the filter screen. But it turned out to be the fp relay. She's running fine again. Thanks for your help!
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  #11  
Old 03-12-2013, 06:08 AM
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Monsignor Monsignor is offline
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a good week for E34s it seems!
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  #12  
Old 03-12-2013, 10:49 AM
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BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
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gorillaguru, didn't you get this PM that I sent on 2/18 that suggested the FP relay?

http://www.bimmerfest.com/forums/pri...m&pmid=1351808
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Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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  #13  
Old 03-12-2013, 11:13 AM
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Monsignor Monsignor is offline
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Probably not as i believe you need 5 posts to PM
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1995 525iA 250k mi
2003 350Z 88k mi
2014 F-150 0k mi

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  #14  
Old 03-12-2013, 11:50 AM
BMR_LVR's Avatar
BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
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Mein Auto: 1992 525i
Quote:
Originally Posted by Monsignor View Post
Probably not as i believe you need 5 posts to PM
He's the one that sent the PM to me seeking assistance

Anyway, I'm glad he got it sorted out. There are not a lot of things that feel better than having your car not start and being able to get it going again
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Most problems are usually something simple !

Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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