Quote:
Originally Posted by Jon D
This is not unique to BMW, it's an industry standard to preclude any possibility of under-reading, which could result in a speeding violation.
At least BMW appear to 'dial-in' a constant value of 5%, whereas other cars I've driven have varied erratically between 5 and 10% over.
For info - EU vehicle manufacturers have to comply with current legislation, which states the following:
"The indicated speed must never be less than the actual speed, i.e. it should not be possible to inadvertently speed because of an incorrect speedometer reading.
The indicated speed must not be more than 110 percent of the true speed plus 4 km/h at specified test speeds. For example, at 80 km/h, the indicated speed must be no more than 92 km/h."
So there you go - BMW's are made in Germany and Germany is part of the EU, therefore the speedo will, by design, over-read.
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nice speach buddy; but howcome my 2009 AudiA3 speedo is right on the spot!