I am ordering mine today, but can you please tell me what the difference with the G5/G4 board is. Also, what the 2 step relay does.
If it helps, all I really want is more juice outta the car, and its still under warranty. Car is a 2009 MSport E92 with 28k - 6spd
Weekend: 2008 AM V8V, Stratus White, Bitter Chocolate, 6psd, Modded ~ 450hp
DD: 2009 BMW 335i M-Sport, SG/Black, 6spd
Gone: 2003.5 E46 M3, Mystic Blue/Grey, 6spd