hello people just sold the bmw i brought and now back to the blue oval.

i brought a s2 rst but the heating aint working in the car was working fine the other day but now blows cold air out i have checked for airlocks check if the matrix is blocked and checked the heater control cables ????

also it has a magnex exhaust and k&n panel filter chip but what boost should i run on it she is a 10psi at the momment?

just want it to be a reliable 190bhp

cheers guys