This makes your build look simple and straight-foward

http://www.denislavshishev.com/car/bmw-z3-v10-project/

wrecked Z3+some mad russian fabs and mods+V10=582 pics of sheer gearhead awesomeness.

Heck I wonder how the exchange rate is. Maybe he did the whole thing for under US$500.

Gunna need more work to pass tech though.