I come here to get my BMW serviced but after my re...

I come here to get my BMW serviced but after my recent appointment I will NEVER come back. The staff here act cocky as if they are better than everyone else and just want your money!!! They have made me super uncomfortable and I will never bring my car back. Right when I got there the first lady I spoke to was super rude because of where I had parked my car then when I pulled into the service center a couple guys circled my car and one of them said I needed new tires and I asked if they could just give me an estimate and he said well they are very bald and I said it again because I wasnt there for my tires, I was there for my rotors and that's all I had planned on paying for!!! Then I went inside to wait for my mom to pick me up and I heard my car start and they sat there revving my car. As soon as I left (maybe minutes later) my service guy called me and listed off things that my car needed and I asked him if they could just replace my rotors since that is why I made an appointment and he told me no so I said fine ill come back and pick my car up and he said ok as if he didn't even care. When I came back to pick my car up he saw us walk in and turned the other way and kept walking. I called a different mechanic right after this happened and they told me that there is no way in a matter of minutes that someone can find that I needed what they told me unless they took my car apart. I have had 2 managers reach out to me regarding this, even after me telling them what happened they have just said "oh I am sorry this happened to you" WORST CUSTOMER SERVICE EVER!!!!!!!!! I AM SO PISSED OFF.