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      01-21-2013, 04:30 PM   #26
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Jeff@TopGearSolutions's Avatar

Drives: C6 Z06, 09 335i, 10 335xi
Join Date: Dec 2008

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Originally Posted by themyst View Post
Cobb car needs to stack JB4 to fix that little issue he is having.
Originally Posted by themyst View Post
I am sorry, there is absolutely nothing anyone can do about the flatline issue running Cobb only. It's a sore point for me because I've done close to 100 datalogs trying to fix it with no avail. There is a way to make it slightly better at the expense of throttle position, in both ATP or ATR, but if you have a 6AT, stay away from Cobb only if you care about real-world performance.

But yes, I experienced first-hand what timing flatline does to a car (ran my friend's C63 with an OE tune, we are close to even until I shift into 5th and he proceeds to put 3 car lengths on me from say 125-155). I also ran laloosh aka Clap135 at the drag strip, dead even until I shift into 4th, then he puts 2 cars on me.

But sure, no one ever cared, sigh. Imagine how I felt after dealing with this for over two years.
Sheesh I'm surprised they (Cobb) havn't fixed it?
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