[hatch123]

im thinkin bout gettin a sct tuner if i buy a SCT SF3 tuner is that all that i need, heres the link SCT SF3 Power Pre-Programmed Flash Device
I dont know if theres anything else that i have to buy, it just seems to cheap.

 

[purplehorn1977]

That is the same exact programmer that i have already purchased from them. it has everything that you need unless you want custom tunes then spend the extra and get with inovative or any one of those guys for the X3 with custom tunes already on it. i just got mine installed and programmed this weekend and in the performance program its night and day diffrence plus fuel milage came up around 1.5 mpg as long as you drive sensably. i would recomend boost and pyro before buying a tuner though.