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Old 10-19-2012, 04:16 PM
Quacker Quacker is offline
Officially Welcomed to the 'Fest
Location: Colorado
Join Date: Feb 2011
Posts: 811
Mein Auto: 2012 535i xDrive
If you want your F10 speedo to run spot-on, swap out your stock run flats for a set of non-run flats that are 245/45/19 size (assuming your wheels are 19"). That's what I did and now it's exactly correct at all speeds according to my GPS.
2012 535ix Space Gray, Cinnamon, SAT, Premium, Prem sound, Cold W., Sunshades, Gloss Black Grille, Gloss Black Side Markers, RE970AS 245/45/19 non-run flats that run very smooth + quiet and also correct the otherwise optimistic speedo
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