Thread: E70 Hi RPM Engine Idle with A/C & BMWWHAT APP Code
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Old 03-27-2015, 06:49 PM
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Quote:
Originally Posted by PhastPhil View Post
Soooo, the question was: Why did engineering at BMW increase the idle in the E70 to over 900rpm when other similar 6cyl BMW models with same engine, just use the normal idle of 650rpm with or without A/C engaged? My thought was either A/C efficiency or some emission issue.
Idle speed is not a set value at all times - battery SOC, IHKA demands, gear engagement, electrical consumers, catalyst temps (based on models) are some factors which can influence the idle set point at any given time....but then again which engine do you have?
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