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Join Date: May 2019
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X3 rough idle below 2000 rpm

I have a 2005 x3 3.0 rough idle below 2000 no power above 2000 runs good. I changed coils and spark plugs . What's next ?
Old 05-04-2019, 12:56 PM
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rpace: make sure all electrical connections are made secure.
Clean the following...
Idle control valve,
throttle body, and
maf sensor , there are cleaner sprays for each one to use at your local parts store.
also use a clean air filter.
make sure connections are secure for each spark plug...how old is your battery? 3 to 4 years? then replace it with the correct battery group#49.

Sent from my SM-J727T using Tapatalk
Old 05-04-2019, 05:39 PM
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Originally Posted by Rpace View Post
I have a 2005 x3 3.0 rough idle below 2000 no power above 2000 runs good. I changed coils and spark plugs . What's next ?
Hello and welcome to the forum! In addition to the above suggestions, use a scan tool to see if any fault codes come up. This should give you a good idea as to where the issue is coming from. Let us know if you have any other questions.
Old 05-06-2019, 03:29 PM
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