blue white is oil and water so its either head gaskett or the turbo ? is it not driveable ? if not i would say turbo but not 100% as when i had the dreaded white smoke it was a tired head and gaskett rebuilt the head and fitted a new gaskett and all was fine (for a while pmsl) then it melted a piston get it checked out at a engine speacilists better safe than sorry as its cost me a fortune to get her sorted just a few pointers
