Folks,
People on the Z3 discussion board argue incessantly about whether or not
dyno runs on these modern, OBD-II equipped cars are valid. Some say
that the systems adapt so quickly that a dyno run tells you nothing, and
others swear by the money they've spent on the dyno that prove that the
$1000 they spent on an exhaust system was a win.
Do any of you rocket scientists really understand how these modern fancy
emission systems work and can you tell me with a fair amount of
certainty whether or not it's a waste of money to dyno one of these
cars?
Josh
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