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      11-12-2018, 01:18 PM   #15
Kzang
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Drives: 2015 X5 35i Msport SG
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Quote:
Originally Posted by Maverik259 View Post
Ya that's my question. Is this affecting the odometer or service indicators etc. it's adding over 1000 miles per year if it's 3 mph off with 1 hour of driving per day everyday.
Car manufactures add at the most +5 mph to the speedometer to never show a speed below the actual vehicle speed to meet the regulations https://www.fmcsa.dot.gov/regulation...splay=guidance

I would imagine the reasons could be many... safety, to compensate for tire wear which results in smaller diameter could be a few etc.
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