I've used cruise a fair amount (especially on our trip to Disneyland and back) and the cruise marker and the speedo needle always matched up perfectly. I will say though that I have coded my car to display the actual speed in the OBC display...and I can confirm what others here are saying that the speedo is off by ~4mph at 80mph and about 3mph at 65mph.
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- Scott
Current Cars: 2019 X5 xDrive40i M-Sport, 2018 Camaro ZL1
Past BMWs: '16 528i, '00 M-Coupe, '14 X1 sDrive28i, '00 740iL, '02 325i, '99 M-Coupe, '00 323Ci, '79 323i, '83 320i
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