Thetwin-turbo 4.4-liter V-8 replaces the previous car's normally aspirated 4.8-liter unit and makes 400 bhp (a 40-bhp gain) peaking from 5500 to 6400 rpm. Torque is 62,500 Starting Price (MSRP) Engine 4.4L Turbo V8 Gas Transmission 8-Speed Automatic Drivetrain All-Wheel Drive Body Type Sedan Seating capacity 5 seater Trunk Volume 550i 550i xDrive, 550i Gran Turismo, 550i Gran Turismo xDrive 560 hp (575 hp with the Since its 2011 redesign, the BMW 5 Series has lost quite a bit of its handling prowess due to it Todaywe swapped the old turbos for a much bigger set of twin turbos. This completely wakes up the 5 series and makes it much faster. After this, the car run 2011BMW 550i xDrive Performance and Drive Impressions. The 4.4-litre, twin-turbocharged V8 produces a prodigious 400 horsepower and 450 lb-ft of torque mated to the company’s 8-speed sport The400 hp and 450 lb-ft of torque from the 550i's twin-turbo 4.4-liter V-8 makes it the star performer of the 5 Series range (not taking into account the fire-breathing M5). TheBMW N63 is a twin-turbocharged petrol V8 engine which has been in production from 2008 to present. The N63 is the world's first production car engine to use a "hot-vee" layout, with the turbochargers located inside the "V" of the engine. It is also BMW's first turbocharged petrol V8 engine. The engine has been widely noted for its mechanical 1 BMW offers the new 5 Series Gran Turismo in 535i, 550i and 550i xDrive models. 2. With 400-hp and 450 ft-lbs of torque from a twin-turbo V8, the 550i hits 60-mph in 5.4 seconds. tasEwjp.

2011 bmw 550i xdrive horsepower