BMW working on a larger SUV than the X5?

BMW may build its extra-large X7 SUV. The newcomer is suppose to rival the Mercedes GL-Class, which itself has proved fairly popular. Judging by the name, the X7 could be based off the 7 Series sedan, like the X5 is based on the 5 Series.Sources within BMW are saying that the project is currently snoozing because BMW wants to see what happens with the U.S SUV market. At the moment, things aren't