New BMW 7-series Plug-In Hybrid Packs a Four-Cylinder - Car and Driver (blog)

When BMW brought out a V-12 in its second-generation 7-series, the move stunned the industry and prompted Mercedes-Benz to follow suit. ) Fast forward to the new, sixth generation of the 7-series and BMW is confirming the availability of a four-cylinder, the first ever for a 7. The four will come as a plug-in hybrid, called the 740e xDrive, and will be sold in the United States. Source: blog.caranddriver.com