Under the hood is basically an identical aluminum-stop V-8 one powered the earlier-generation F10 550i. Like that engine, this new M550i’s keeps a couple twin-browse turbochargers, head shot, Valvetronic variable intake-device elevator, and you will Twice VANOS variable intake- and exhaust-timing handle. Strength, not, might have been increased by 11 horses, out of 445 hor. Brand new level torque get, 480 lb-feet at just 1800 rpm, continues to be the exact same.

Traction appears limitless, even-up top

That is 121 hp more than you have made on half dozen-cylinder-driven 540i, yet , it’s more than 100 horses timid of your outbound M5. BMW says it does work at of zero so you can 60 mph inside the merely step three.nine seconds, that’s nearly a complete 2nd quicker as compared to company says towards 540i (where i clocked 4.7 seconds to 60 mph) and you will a great blink better than Munich’s assertion toward departed M5 (all of our shot contour are step three.7 seconds). How’d you to definitely takes place? Really, grip are up and weight are off.

Despite their basic all-wheel-push program, brand new M550i is claimed becoming, of the Munich’s reckoning, doing one hundred pounds lightweight compared to butt-wheel-push and you will grip-challenged F10 M5. We’re going to need certainly to use it all of our scales for a more appropriate research, in addition to contour where the fresh Yards Show designers have also furnished that it M550i with launch manage. The machine enables you to rev the fresh new system so you can 3000 rpm after you create a braking system torque, plus it unleashes the rage if your left-foot sidesteps new brake pedal.

60 miles per hour really does appear rapidly, nonetheless it appears possible that the greater number of effective M5 perform eventually plant the tires and you can cruise beyond the M550i through to the quarter-distance is right up. Read the rest of this entry »