Mini Cooper Repair in Omaha NE

Hey Everyone new to the site, need some advice.

I am having some issues with my 2002 Mini Cooper S, not a car person no idea what is going on, jerky acceleration, rough idling basically. I need to know of a good place to bring it in other than the dealership here in Omaha. Or if the dealership is not as bad as most please let me know.

Thanks,