Hi Johnny!
Yes, thankx for propose!
Unfortunally there no exist Cobb reflash for my Euro N55.
Yes i have glasstint. In Switzerland, you can glasstint your rear windows as you want. But, is forbidden to tint your front windows.
In Geneva ther is for exemple:
http://www.chrisfilm.ch
http://www.carfilm.ch
For a 135i you can count approx. CHF 350.- to glasstint (incl. 10 year garantee)