Floor mats yes but I heard we get new ones in the States?
Not sure about wax but would guess no.
Radar detector laws are country specific so depends where u drive but I believe they are mostly illegal and m use different frequencies than us?
F10 30 Jahre M5
F82 M4 GTS (7/27 Prod)
F80 30 Jahre M3 (7/25 Prod)
E36 M3 with S54 Swap
F22 M235 Dinan Stage 4