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      10-10-2009, 11:17 PM   #29
badass335
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Drives: 2017 540i Xdrive
Join Date: Jul 2007
Location: Surrey, BC

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Quote:
Originally Posted by rolling18 View Post
after upgrading to me the car didnt feel as fast...
the older version i could feel more "pulses" of power on hard acceleratoion. and seemed to get up to speed faster.??? (all stock settings)

for me to go back, do i have to go back to the old firmware as well as old maps?

or can i keep the newer firmware with with ver 9 maps?
I'd say, go back to older firmware if you are going back to older maps.
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