Interesting, so if everything reported by the OBD is good, they don't even physically measure emissions.
And for OBD-1 cars they do a 2-stage idle test from the start?
1998 BMW 328is - summer
1993 BMW 525i - daily
1994 BMW 325i - sold
1992 BMW 325i - gone
1988 Mercedes Benz 190E 2.3-8V - sold