Please help me with the W12 spat the coolant out

[daviesbike]

i was driving today and a big red light come on the DIS coolant low and it was plooming white smoke out the car it has dropped all of its coolant and i really need a diagram of the cooling system please

i hope to God its not a head gasket !!

its coming out as fast as i can fill it back up

any help please guys

i have bookings with clients friday onwards and i need the car i can not be without it