ive got a to4s turbo kit
im going to be aiming for 1-1.2 bar boost with water injection
whats the go with the map sensor do i need to upgrade and where is the best place to order this
cheers lads
http://www.banzai-racing.com/
you do not need to change the MAP sensor for 1.2 BAR, I would recommend you only need to upgrade to a 3 BAR map sensor if you are going 1.3 BAR and beyond
is there any harm upgrading it anyway for 1.2 bar, is it being too precautious
No harm, but you have to fiddle about with PIM settings on the Apexi ECU map for the correct settings so you are hitting the correct parts of the map. But your rotary tuner will know how to do this.