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E34 M5 (1988-1995)

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Old 06-03-2008, 08:49 AM
nvam nvam is offline
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Location: UK
Join Date: Jun 2008
Posts: 1
Mein Auto: E34 M5 & E28 M5
Idling issues

Hi does anyone have the same problem with their E34 M5?- If I'm driving in traffic especially on hot days my car seems to idle irratically. This is an intermitent problem. I have had the idle control valve & airflow meter checked and they seem fine. I have covered approx. 125K miles and its manufacture date 1989. Any suggestions would help.
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Old 07-01-2008, 02:16 PM
*rh Cdrh*
Location: Elroy Jetson im somewhere out of space
Join Date: May 2007
Posts: 4,283
Mein Auto: 08 M5 e36 M3 gt40 877hp
Who checked your idle control valve & airflow meter? Was it a person that is good with older model BMW's?

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Old 06-04-2011, 08:35 AM
wehitatree wehitatree is offline
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Location: Carlsbad, Ca
Join Date: Apr 2011
Posts: 11
Mein Auto: 1989 525I
I had the same issue with mine. I took it to the mechanic and they couldn't figure it out so they kept changing parts, luckily at no cost over my quote, and eventually just ended up having to replace old hoses. (Vacuum issue) The only bad thing was after that my coolant pump started throwing fluid everywhere, so maybe have them replace the pump after they pin point the problem. Specifically my car would be idling lower than 750 rpms then just shoot up to 4000 rpms and dump then stall if I didn't start driving, say at a stop light. Very embarrassing... Maybe you have a different issue?
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