Originally Posted by Nawaaz
You have a very good and honest point.
I chose Powerchip's tune because I got too damn tempted.
I'll have to see how my M3 holds up in the long run with all the mods I've done.
What gains did you get with powerchip, or in other words what power gains were advertised, and does it feel different? was it worth it knowing you could risk your warranty etc