It is pretty relaxed as it's basically checking that smoke will not restrict visibility for yourself or other drivers. Do not forget that there are faulty cars and some remapped cars that has been mapped in a way that allows for more smoke. And also soot accumulates in exhaust and then is blown out when you boot it.
__________________
Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
|