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8 Series - E31 (1989 - 1999)

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  #1  
Old 08-13-2012, 12:36 PM
WE31 WE31 is offline
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Location: frederick MD
 
Join Date: Jul 2012
Posts: 5
Mein Auto: 1991 BMW 850i
91 850i, it won`t stay running.

I have a 91 850i, before I had this problem it ran fine expect it was missing off and on
what I found was 2 plug wires were bad, so I upgraded all the wires and clean the
throttlebodies. Now I started the engine and the problem I`m having is it won`t stay,
it will run for a fue seconds then stall, I recheck my work everything is fine.
so what do you think the problem is?

Thank WE31
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  #2  
Old 08-16-2012, 07:41 AM
02540ico 02540ico is offline
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Location: Colorado Springs, Co
 
Join Date: Aug 2009
Posts: 278
Mein Auto: 1997 850Ci
Sounds like a bad vacuum leak.
Do the throttle bodies need to be re-sync'd?
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  #3  
Old 08-21-2012, 08:25 PM
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TerryY TerryY is offline
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Location: Woodland Washington
 
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Mein Auto: BMW '95 840
Do the new wires have the sensors on #6 and #12? and are the connections for those sensors cross connected?
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  #4  
Old 09-14-2012, 10:12 AM
WE31 WE31 is offline
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Location: frederick MD
 
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Mein Auto: 1991 BMW 850i
Hay 02540ico sorry about that, I was out-of-town for awhile. I found the problum,
it wasn`t a vacuum leak and the throttle bodies don`t need re-sync`d,
it was the Cam Sensors that were bad, so I bought the cam sensors, put them in,
the car runs great. But thanks for your help.
WE31
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  #5  
Old 09-14-2012, 10:27 AM
WE31 WE31 is offline
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Location: frederick MD
 
Join Date: Jul 2012
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Mein Auto: 1991 BMW 850i
Hay terryY sorry about that, I was out-of-town for awhile., I found the problum, #6 and #12 are correct and the sensors are not cross.
But that was the problum, the Cam sensors, the car runs great now. But thanks for your help.
WE31
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  #6  
Old 09-14-2012, 10:41 AM
WE31 WE31 is offline
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Location: frederick MD
 
Join Date: Jul 2012
Posts: 5
Mein Auto: 1991 BMW 850i
Hay terryY sorry about that, I was out-of-town for awhile., I found the problum, #6 and #12 are correct and the sensors are not cross.
But that was the problum, the Cam sensors, the car runs great now. But thanks for your help.
WE31
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