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Speedometer error
Have any of you checked the accuracy of your speedometer? Mine is off by about 6%. At 70mph on GPS, speedo reads 74. At 90 mph, reads 95 mph. Odometer likely will be off by same amount, so will read higher miles than actual. My wife's 740i off by about 3% also reads higher than actual. I've tested the GPS in other vehicles and with radar, it is correct.
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2014 M6 Gran Coupe-Alpine White/Blk
2015 740i Sapphire Blk/Blk
2018 Tahoe RST 6.2
2019 Porsche 911 Turbo 991.2
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