[PunjabiM3]

PG, quick question on dynoing. I am planning on putting together a dyno day in my area with a few other BMW buddies. The shop everyone wants to go to has a Dynojet Model 424xLC2. So I am guessing I should dyno in third gear. What sort of variables/inputs need to be input into this particular dyno for me to get the most accurate results. I am thinking of doing a pre-dyno prior to perhaps installing a UDP and software...