Until now, BMW sold the engine with more turbos on the market. It was the diesel six-cylinder triturbo 3.0-liter that is used by the models M550xd and the X5 M50d. As I announced a few days ago, this engine will be overcome by another recently unveiled, the diesel inline six-cylinder with 3.0 liters and four turbos. The manager of premiere are the BMW 750d and 750Ld xDrive.
This version of the sedan more luxurious German brand will be the more powerful among the diesel. The new engine technology TwinPower Turbo delivers nothing less than 400 HP at 4,000 rpm and 760 Nm of torque between 2,000 and 3,000 rpm, exceeding slightly the 381 HP and 740 Nm of the previous engine with three turbos. The BMW 750d xDrive will be linked to the gearbox automatic Steptronic eight-speed and it will be all-wheel drive.
The key of this quad-turbo will be the use of two turbos low pressure, and two other of high pressure. The first act at low revs, while one of the turbos high pressure will fill in the middle zone and the second zone high cuentarevoluciones, getting in on the action starting at 2,500 rpms. Other the advantages this mechanism are the flow of compressed air or the recirculation of the exhaust gases.
This top of the range diesel is a performance notable, accelerates 0 to 100 km/h in 4.6 seconds (4,7 seconds the version with battle extended), and a top speed electronically limited to 250 km/h. In addition to being 3 tenths faster than its predecessor is also a 11% more efficient, with a consumption approved of between is 5.7, and 5.9 l/100km and CO2 emissions are situated between the 149 and 154 g/km
The BMW 750d xDrive and 750Ld xDrive will come to the dealers with the new engine four turbos from July 2016. This mechanical diesel six cylinders and 3.0 litres, with 400 HP and 760 Nm, it will also other models of the range coming soon. To this list could be added the SUV of the division of sports M, for example the BMW X6 M50d and BMW X5 M50d they were riding the previous engine has three turbos.
Source – BMW
BMW Series 7