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      10-13-2011, 08:40 AM   #76
Peakrunner
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Drives: 2012 x5d
Join Date: Apr 2008
Location: Renton, WA

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I'm not sure it's worth the time or money to dyno this "tune". I am enjoying the new found engine response. BMW should have just called this a lag fix and applied it like all their other SW updates but instead they make you pay for it.

I'm not complaining for the $600 that I spent I'm back to enjoying the motor as it was meant to be without the hassel of a aftermarket tune. The car is responsive right off 1st and roll-on power is much improved. I have not notice any appreciable decrease in mileage.

I would say this update is everything they said it is and not much more. As stated before in other threads this is a good option for someone planning to keeping the car a while or planning on extending your warranty. There are more powerful tunes but this one seems to address the lag issues some people have noticed. This motor should come stock with this SW.
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