[jokinawa]

Originally Posted by x7-AR

Thanks for the link. Interesting read. However, even that article says, "For ordinary passenger vehicles, there's no law in the U.S. that regulates speedometers" so saying "they have a responsibility to make sure their vehicles comply with all laws where they are sold" doesn't seem relevant to My X7's >5% "speedometer advance" issue since it was built in SC and sold in the USA. Also BMWUSA cited tire factors anyway, which also doesn't seem to substantiate the extent of the advance.

Since this is my 1st BMW, I think their approach to this issue is extreme relative to my current and past vehicles (and I've had many). My current Jag is 1mph higher at 80mph based on Speedbox. My Mercedes is also 1mph off at 80mph. The BMW was 4mph off at 77mph and the delta just gets higher with higher speed.

I think 1 or 2% over would have been a better choice rather than >5% if there needed to be an overage at all. I also think the dealer should disclose the actual "speedometer advance" so there aren't customer surprises and needless service inquires following purchase.

There actually is a law. This article explains it a bit better with a reason why a car manufacturer may choose a higher value for the padding.


http://www.oecbi.com/blog/vehicle-sp...-really-going/