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E34 (1989 - 1995)

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  #1  
Old 10-30-2012, 06:17 PM
ALANREN ALANREN is offline
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Location: greater manchester
 
Join Date: Oct 2012
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Mein Auto: 92 518i bmw
Unhappy 92 bmw 518i

idle erratic and hunting,new ICV fitted,injector cleaner helps a bit,not enough though,cant find any obvious leaks??
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  #2  
Old 10-30-2012, 06:31 PM
robertobaggio20 robertobaggio20 is offline
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Location: earth
 
Join Date: Oct 2009
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Mein Auto: car
Quote:
Originally Posted by ALANREN View Post
idle erratic and hunting,new ICV fitted,injector cleaner helps a bit,not enough though,cant find any obvious leaks??
Spark plugs
Fuel filter
Clean your throttle position sensor
Download the E34 bentley manual (google for the links) and consult its the relevant checklist in there.
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  #3  
Old 10-30-2012, 06:40 PM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
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Posts: 2,261
Mein Auto: E23;E30;E38;E32;E34 +
Take the injectors for a clean and flow test. As you have tried injector cleaner - CHANGE YOUR FUEL FILTER!!! Cleaner has been known to 'melt' fuel filters and the junk ends up in the fuel rail.
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