nice post. Cool pics too! Those OZ rims look great and light as well, good choice!
Are you happy with spoiler, hood and side skirt fitments? Look a bit off, side skirts especially.
I agree with others that debadging fender is probably the way to go - it can be done (there is a fully converted to M3 a Monaco Blue E92 from Moscow on this forum which I recall did exactly that).
'07 TiAg E86 Z4 Coupe 3.0si