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Old 21st August 2008, 20:57   #11 (permalink)
OC M5
Junior Member, warming up (<31 posts)
 
Join Date: May 2008
Location: OC, CA
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Quote:
Originally Posted by 07 GRAY BEAST View Post
I have also hit a 170 indicated speed and left it there for quite some time. has anyone actually had a gps in the vehicle while the speedo indicates 170?? Just curious to see what the real speed is due to bmw's optimistic speedos.
I have read that 168-170 indicated it 155 actual. I beleive some members have used the onboard nav GPS to verify this. I thought I had seen some directions on how to do this in some thread.

The car feels very stable at that speed. However, even in very light traffic, you aproach those going the speed limit as if you were running 100mph into a brick wall. You can make up a lot of ground between you and the car in front of you in a few seconds.
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