I noticed I only go into limp mode when I accelerate a bit faster than normal after only driving within 2 minutes of starting the car. I have been running 100% for 34,000miles or so.
I might have to test this response thing some of you are experiencing with/without the JBD. I didn't notice a thing for me at the time.
Mods: JBD, 35% tint, Wagner Intercooler, Bilstien B12 Kit, M3 Control Arms