In June 2007 I bought an Audi A4 from Planet Auto Mall with 60, 000 miles on it. I have taken my car to be serviced at Audi. In February of 2008 I had a low coolant light. I took the car in for service and asked for it to be checked. I was told that a Planet Auto Mall had worn out and would be needing replacement for $735. Two weeks after having this replaced, I had my car die on highway immediately after the check engine light beamed on. I took the car back and due to extreme heat, my head gasket blew, destroying my engine in the process. I... read full review »