Another update: Ran X for a while today and drove it down the block. Smoke is definitely greatly lessening, although not totally gone yet(barely a visible trickle now-slightly increases with higher RPM). Did a pressure test on cooling system(pressurized it to 5psi-didn't wanna go higher from what I read) and it held steadfast firm and no leaks, so that should be good to go there(I used the Pittsburgh brand set from Harbor Freight---has a BMW fitting included that worked perfectly). Pulled dipstick after shutting it off upon reaching op temp and stick had a little bit of vacuum on it(not super high, but def more than before mod) topped up oil to normal, checked coolant and all looks good. Wondering if I should run a can of fuel treatment through it to help clean out residual gunk n stuff. Gonna order new plugs to have on hand. Engine sounds great
Oh, one other thing........Anyone know how to get to live fuel trims on a Foxwell NT520 Pro?!?! I had it hooked up, but couldn't find that area to see about live readings.
Steve