acl325ci said:I'm thinking about getting the ECU upgrade, but before I do I wanted to see if anyone on here as done it yet...
They advertise 12 hp gain.....What do you all think?
Any and all comments/suggestions will be greatly appreciated.
Thanks in advance.
Oh SH!T. Really....Technik said:I wouldn't trust AT with BMW...a while back they fried one of my boxes and refused to offer me compensation...cost me $1000 to get a new ECU. :thumbdwn: