Originally Posted by sparkyblue
Two issues for me, I currently am running DCI/Catless DP/Catless Mids/Berk Axleback. How big of a deal is it if I run the E30 map without an upgraded IC? Assuming I don't do anything crazy like track it or what not. Just some fun highway pulls, or maybe even possibly a spirited canyon run. Is it safe or tolerable to run with my current setup?
Second issue is that I live in CA with the terrible ACN91 gas. Can I
mix my ACN91 with E85 to achieve E30? I have a 135i, which holds approximately 14 gallons.
That's fine. There are people running E30 maps completely stock.