Passion/Brabus Odometer Accuracy?

[John_H]

The mechanism itself isn't analog and I don't expect the sensor is either, using RPM or a wheel sensor rather than the old mechanical slip-gear scheme.

I saw the innards of a needle drive and it's just a simple 2-phase stepper motor with 3 gears so that each turn of the stepper motor is a small fraction of a mph. The speedometer could be as accurate as Smart wanted (or Johnson Controls) if so desired. The only limit would have to be the uncertainty of the wheel circumference.

[SmartDigger]

I was always told it is illegal for a speedo to report under the real speed. So, the Co. that make them builds a bit if insurance in them?