I have a Premium AWD ExtRange Mach e. Before I had the HVB condition, I ran 0-60 at about the 5.1 range. During the code, I was at about 15-18 seconds. After getting the HVB fixed last week, my 0-60 is now 6.1 - 7.8 depending on whos counting. So I took it back in. I was told since the car was...