Thread: Engine's mood
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      10-07-2011, 08:10 AM   #8
drfrink24
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Drives: 2008 335xi
Join Date: Apr 2011
Location: SE MN

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Quote:
Originally Posted by watoowatoo View Post
In a same day with relatively same temperatures, N54 with JB4 map1 and 94oct gas runs strong and smooth and is eager to rev and next hour start it up and it feels sluggish and rough.

Is there any explanation behind this? Does anybody else have a moody car?
I have this, with stock intercooler, I'm 99% sure heatsoak isn't always the culprit. Its almost as if the throttle gets remapped on the fly or something.. eager to rev is the perfect way to describe it, seems when it's "on", I have 50+ more wtq just driving around and lag is non-existent. Then other times, its like it's just sleepy/sluggish, with delayed throttle response and pronounced nothing.. nothing.. then it goes.
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