Boost gauge conection on a smart 450

[larces]

hy i recently buy a autometer boost gauge for my smart and i try to follow the instructions but seems that the one on the picture is a 451 because mine do not have the vaulve near to the cilinder any one know wheare the T fit´s.

i have no clue and i dont whant to disconect hoses and start to figuer it out .

thanks for all the help

regards
LOU

[larces]

Evilution - Smart Car Encyclopaedia
in this link show haw to do it but i dont have the part that is on the circle on the first picture