View Single Post
      11-15-2012, 01:36 PM   #4
ben@tirerack
M3Post Supporting Vendor
17
Rep
885
Posts

 
Drives: 740i
Join Date: Mar 2008
Location: South Bend, IN

iTrader: (0)

This is not completely shocking when you factor in that BMW speedo is usually reading a few percent high. Stack the ~3% error on the speedo with 3.5% error due to tire size variation and maybe a couple percent error in the GPS and you're right there.
__________________
_______________________________________________



To credit the forum, click through one of the banners in my signature and the top of the page, or call me direct at 877.522.8473 ext 660. Email:ben@tirerack.com