United Luxury Motors This place is selling defective cars and cars without titles Stone Mountain Georgia

My boyfriend and I went here to test drive an 06 BMW 645 and they notified us immediately that there was something wrong with the radio and that a technician was coming to fix it the next day. We also test drove an 06 Dodge Charger R/T Daytona which my boyfriend decided he like much more than the BMW. Immediately we knew there were a few issues with this car. It needed new front tires, an alignment and something was off with the power steering. We brought these issues to the attention of the owner who said they would not be an issue to fix. My boyfriend brought them a check from the bank (who stated there was an issue with the title already). The dealer stated this was not a problem and even showed us the "clean" carfax report. The dealership kept the car for several days to repair the issues (replace front tires, replace rack and pinion, and gave my boyfriend $$ to get the alignment done himself). When we picked the car up, i noticed the face plate from the radio was missing. I asked the dealer where the radio face was and he stated that they lost it!!! I asked him why they didn't tell us about it up front since they were so willing to say the BMW radio didnt work? He replied "You didnt ask." What?????
After picking up the car that day, the check engine light came on before we could even make it to the house. We took it to AutoZone and had them check the codes. 7 different codes came up!!!!!

P0420 - Catalyst system
P1521 - Incorrect Engine Oil Type
C2205 - Steering Angle Sensor
C2202 - Original VIN mismatch/missing
C123F - Steering Angle Comparitive Performance
C2100 - Battery Voltage Low
C1219 - Steering Angle Erratic Performance

My boyfriend took the car back to them that Monday and was basically told that it was his problem since he bought the car "As-Is"!!!! Are you kidding me? Needless to say the did replace the catalytic converter. At this time however, my boyfriend went ahead and purchased the extended warranty that is offered by ALPHA (Probably the only good thing this lot has going for them). But then he was told the reason the mismatch VIN code was coming up was because the driver door had been replaced...Wait! What??? Where was this information before we purchased this car and even more, why was it not on the "clean" carfax they showed us!!!!???? This place is an absolute joke. Extremely unprofesstional and shady!!!!!
Now after reading some of these other reviews about them selling people cars without titles, I'm nervous about having to go get the tag for this vehicle. Do not trust this dealership!!!!!!!!!!