What you need to know about the BMW M5, the most expensive car ever?
A record-breaking BMW M4 is coming to the United States next year, but it won’t be the same car.Instead, BMW is replacing the 2 Series with a 5 Series, a new version of the M5.It will be the cheapest-selling car ever in the U.S., and it will sell for $27,000.The 5 Series is a more…