BMW e66 750 V-max & top speed 266 km/h Dragy 

My best on Dragy - 272 km/h.
It’s possible make an 280-285.
Actual specs - 401,7 hp; 540,5 Nm.
Mods - Stage 2 Supersprint (full exhaust system), ESS (custom), xHP (custom), Dinan throttle, “Ignition Projects” coils, HKS plugs, K&N air filters, Brembo GT|R, Rays Volk Racing TE037 6061, Michelin PS5 245/45/19, PS4S 275/40/19.
Weight - 2170 KGs including me, equipment by VIN number (Intercomp SW500).