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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 8 Series - E31 (1989 - 1999)

8 Series - E31 (1989 - 1999)

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  #1  
Old 09-02-2011, 09:30 AM
BartoloRacing BartoloRacing is offline
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Location: Wesley Chapel,Florida
 
Join Date: Jul 2011
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Mein Auto: 545i,850i,MRoadster
91 850i - Need technical help

Hi , evryone! Just bought my E 31 in June after 3 yrs in the hunt . Finally found what I consider a 9. Recently the left bank started acting up. Surging while at a stop; black smoke out of left exhaust. At first it was intermittent now it's like it's on 6 cylinders. Any suggestions? Thanks in advance.
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  #2  
Old 09-02-2011, 09:33 AM
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Just Bryce Just Bryce is offline
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Location: 474 Iroquois Shore Rd, Oakville
 
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Mein Auto: Slammin Taco
Hmmmmm, having had some issues when I first picked up my L6 I know the frustration. I'm all the way across the street in Lutz but I'm always willing to lend a hand. Use the PM feature to contact me if you could just use an extra brain to think it through
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  #3  
Old 09-02-2011, 09:50 PM
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TerryY TerryY is offline
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Location: Woodland Washington
 
Join Date: Jul 2003
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Mein Auto: BMW '95 840
Try searching Bimmerforums 8series sub-forum for Limp Home Mode or LHM

There are several potential causes but in simple terms one side of the engine is shut down by the computer, usually by stopping one of the fuel pumps if it sees a sensor input error.
It is an often discussed topic.
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  #4  
Old 09-03-2011, 08:41 AM
BartoloRacing BartoloRacing is offline
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Location: Wesley Chapel,Florida
 
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Mein Auto: 545i,850i,MRoadster
Really appriciate your imput.I will follow thru with your suggestions.

Thanks!!
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  #5  
Old 09-03-2011, 08:43 AM
BartoloRacing BartoloRacing is offline
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Location: Wesley Chapel,Florida
 
Join Date: Jul 2011
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Mein Auto: 545i,850i,MRoadster
Thanks for your imput .Will check threads on LHM.

Thanks!!
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