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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > idle rpm



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      11-21-2009, 04:19 PM   #1
boxter
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idle rpm

Hello,

After the last service(spark plug, oil service) my car idles over 700rpm, before this service it was to 600 rpm. It doesn´t decrease with higher temperature.

Do you know something about this?
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      11-21-2009, 05:41 PM   #2
335fourdoor
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Quote:
Originally Posted by boxter View Post
Hello,

After the last service(spark plug, oil service) my car idles over 700rpm, before this service it was to 600 rpm. It doesn´t decrease with higher temperature.

Do you know something about this?
my dealer states that 600-850 rpm is normal.
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      11-23-2009, 08:57 AM   #3
boxter
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Originally Posted by 335fourdoor View Post
my dealer states that 600-850 rpm is normal.

When you change the spark plugs is neccesary to reseat the adaptation and to do a specific protocol of readaptation. My dealer did not do this protocol.

I drove 250 km and my car still idles at 720 rpm.

Do you know something about this issue?
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      11-23-2009, 11:04 AM   #4
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I think my car idles at 650 RPM. Normally it should be the same on all cars...
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