Arriving in cinemas like a soothing balm for those still nursing their sense of loss over the “Top Gear” fracas, “Fast and Furious 7” offers salvation through madcap motoring stunts using extraordinary supercars in exotic locations. But the “Fast & Furious” franchise is nursing its own sense of loss and it infuses itself throughout the entire film.

Picking up the story where “Fast and Furious 6”…