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#11
03-04-2015, 10:45 AM
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I'll post this here first then a new Thread if it's not appropriate:
In the coding, there is a code for: IHKA: Automatic compressor engine speed. The explanation is: Increase engine speed when A/C compressor is ON. I have lived with higher than normal idle speed (900rpm) when the compressor is on, and had asked the dealer if there was someway to reduce it...they said (as usual) NO. The higher engine idle speed makes the X5 a bit unruly at slow speeds and braking. So I see an option now in the BMWHAT APP to decrease it. MY QUESTION: BMW must have had a reason for running the idle speed up with A/C on...I thought maybe emissions? A/C cooling? but, what negative effect would be to reduce the idle speed to normal (about 600rpm) as when there is NO compressor running ?
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------------------------ Phast Phil 328i Convert 2013 Ticket me RED. sometimes my wife lets me drive it LOL  Tic'ed every option except Cold Weather PKG (we are in FL).X5 2009 3.0 XDrive, Premium, Sat, ipod, Silver/Gray Previous BMW's: X5 2004 3.0 325e 1987 ("e" stood for exceptionally slow) R1150 2001 
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