dealership I use puts a paper mat on the floor mats and a plastic sheet that covers my drivers seat
couldn't ask for much more then that. Not to mention the shop there is relatively clean, and so are the employees and their uniforms. I don't think hey don't do a lot of dirty jobs though all dealer and service work..... now go to a joe blow shop like a buddy of mine works at and that is a dirty shop! I will not take my Z there! no matter how much they cover it there I know it would get oil/dirt/grease some where they are covered in the crap