That is a very nice build! Congrats!
I want to do the same when I return to the U.S. but I'm gonna leave the car looking like a regular 135i. No 1M treatment. Sleeper....
"Straight six engine at the front, a manual gearbox in the middle, and drive goes to the back. That's page one, chapter one from the petro-sexual handbook" -Jeremy Clarkson