Ok, so you got it tuned and now you want to put in another system to tune it more? Wouldn't putting in a W.A.R chip make your previous tune redundant?
Also, if you set your AFR's to 12.0:1 at idle, you will definitely not pass E-test.
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
02 325i Sedan