It's 2022 but BMW's lineup continues to grow with no signs of slowing down. Recent entries include the electric iX1 and China's long-wheelbase X5, with the XM to crown the X portfolio soon. According to a new report from a well-known company insider, there is one model that could be living on borrowed time. The X4, essentially an X3 beaten with the coupe stick, might not live to see a next generation, at least not with combustion engines.
