Problems RPM between 600 to 1000

[robertobmw328i]

Hi everyone, I have a question I have a 2008 X5 3.0si bought it less than a month, the rpm remain between 600-1000 with te A/C turn on someone can give me an idea of what the problem may be? Thank you.

[328 Power 04]

That's a little vague, what makes you think it may be a problem?

Also, you should post this in the X5 section, as this is for engine performance software tuning.