Its a BMW issue, one that I have, and the single issue that completely ruins the driving experience for me enough that I will never buy another BMW again.

This same issue has been seen across many different models and some of them received a software update to fix it. I assume not enough people with X5's have complained so BMW has done nothing to address the issue even though they know its there. Some people will claim its inherent with drive-by-wire systems and claim computers cannot respond as fast as a physical cable. I laugh at that because its absolutely ridiculous to believe that. We have drive by wire steering in the same vehicles... can you imagine a 2-3 second delay in steering?

I believe this was done intentionally and can only guess it has something to do with meeting some MPG requirements. I've tried the Sprint Booster, even knowing that its just a simple throttle multiplier, and an expensive one at that, in hopes that the more aggressive driving style as seen by the computer would kick me down in a lag-free program but of course this isn't the case.

I would love to get a real tune that re-maps the throttle response but having the 3.0 I haven't come across one. If anyone knows of any please reply and let me know!