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E60 (545i) idle speed

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Old Apr 29, 2006 | 07:37 AM
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What is the correct idle speed for 545i? I have noticed a significantly higher idle speed when the a/c compressor is running. This is very annoying. Anyone else experience this?
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Old Apr 29, 2006 | 08:17 AM
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Yes - the AC clutch engages and the motor needs to compensate for the additional accessory. annoying - yes
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Old Apr 29, 2006 | 09:42 AM
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500 RPM climate control off, and 750 RPM cc on. 750 is no problem with me--completely expected.
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Old Apr 29, 2006 | 11:36 AM
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Originally Posted by Znod' post='275714' date='Apr 29 2006, 08:42 PM
500 RPM climate control off, and 750 RPM cc on. 750 is no problem with me--completely expected.
My small inline 6 idles warm at same some 600-650 rpm with AC on or off.

At really cold temps it can get upto 800-900 rpm.

No not worry, the engine datatech knows what it's doing.
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Old Apr 29, 2006 | 11:45 AM
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Originally Posted by Ricracing' post='275756' date='Apr 29 2006, 09:36 PM
No not worry, the engine datatech knows what it's doing.

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