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      08-16-2012, 03:03 AM   #2
Autobahn335i
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Luxembourg
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Drives: E92 335i
Join Date: Mar 2009
Location: Luxembourg

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Hi,

did you notice a decrease in engine performance over a few laps? My guess is your IATs are through the roof on a racetrack without an intercooler. The heatsoaking will cause the ECU to pull timing.
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