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      02-13-2018, 03:54 AM   #85
DavidI
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United Kingdom
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Drives: F90 M5C LCI
Join Date: Dec 2017
Location: NW London / Herts

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Quote:
Originally Posted by Flyingscotsman View Post
The speedo is accurate, I've checked it against gps and it's exactly the same as the standard speedo calibration. (Reads 82 for an actual 80mph)
That's unusually accurate, 10% optimistic seems to have been the norm for decades. Need to remember that when it comes to setting cruise control.
Appreciate 0