Originally Posted by Jamesons Viggen
I have had tuned 2-2.3l 4's in my stable for 15 years. 16psi is not high. There is room for an light oem tune netting 20-30hp at the crank. BMW would not make an engine for production so boost stressed stock that did not have room for more.
We'll see, BMW just is always so conservative with their tuning. I'd love to get a Dinan tune, but only after warranty has run out. (PPK would hold me over though)