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Originally Posted by yvnrg1981
So just took delivery this past Friday and drove the car up state for a little get away. Was using Waze and have the uniden r7 radar detector. While cruising I noticed both Waze and r7 showing a speed of 75 while car was set cruise to 80. Pretty much 5 miles different above 75. Anyone else notice this?
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There has been many posts about this issue but if you check with your service department there may be an iDrive software updated needed that will correct it. My speed was about 5 mph to high as well and a software update did the trick for our X7.