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      07-10-2011, 10:21 PM   #59
Sgt Pepper
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Drives: 2009 Z4 SDrive35i
Join Date: Jul 2011
Location: Virginia Beach

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Quote:
Originally Posted by parnassus View Post
Good news! It turns out the SmartTOP module was interfering with the flash process. After disabling the module, I was able to flash the car with very little effort at all. In fact to those interested, I did not use a battery charger and the writing process only took 15 minutes.

I took the car around just before and the throttle response in all modes has noticeably improved, especially in Normal mode. That annoying lag has virtually disappeared. I then put it in Sport+ with manual shifting and did a little WOT. The feel is very linear but it's very clear how much extra power there is.

I'm very happy with the tune!
I'm seriously considering pulling the trigger on the ESS upgrade, but I have the SmartTOP module installed as well. Were you able to disable the SmartTOP, flash the car, and then reenable it? Or are you not able to use the SmartTop and ESS at the same time...? TIA
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