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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > idle rpm



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      04-18-2012, 12:38 PM   #1
nelnelxd
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idle rpm

Is it normal my car idle rpm is ar 1000 when starting and goes down to 600 rpm after a couple of minutes?
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      04-18-2012, 12:41 PM   #2
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yes. The initial start up rpms are at 1000 to start warming up your catalytic converters. Catalytic converter is only effective when warm

Normal rpm is around 600.
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      04-19-2012, 04:30 AM   #3
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When you are at 600 rpm idle that also means that you can use WOT, because the car is warm.
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      04-19-2012, 06:50 PM   #4
nelnelxd
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thanks guys i really appreciate it. I couldn't find it and been trying to look for videos where i can see where they were at.
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