Update 10/18/19: This super supercharged 540iT sold for $11,100. Deal!
BMW’s continual refusal to bring the most powerful form of its its Touring/Sports Wagon historical lineup has been, as a 5-door enthusiast, pretty frustrating. That’s left Audi in the 2000s and Mercedes-Benz more recently to thoroughly dominate fast 5-doors, with the brief Cadillac interloper. But just because you couldn’t get an M5 Touring over here didn’t mean you couldn’t at least get M performance.
For that, though, you had to turn to fabled California tuner Dinan. No stranger on these pages, Dinan’s well-thought mods and clean execution earned his company a place in the revered showrooms of new BMWs. Cheap? Certainly not. Just the supercharger alone on this particular 540i was $16,000. But you get what you pay for, and the result when Dinan blew on the M62 was a claimed 400 horsepower. So this 540iT has the chops to back up its M5 looks: