Engine

BMW's New Quad-Turbo Diesel Engine Will Make You Forget About Dieselgate

We'll take back everything we said about diesel being dirty. Just give us this damn engine!

Earlier this month we caught word that BMW was preparing to launch a diesel engine equipped with four turbochargers. Now BMW has released the full details of its new engine. The 3.0-liter inline-six with four turbos will sit inside the 750 xDrive and 750Ld xDrive. The engine is rated at 400 horsepower and 560 lb-ft of torque. The new setup pairs two low-pressure turbochargers with two high-pressure units. This enables the torque-y diesel engine to make an impressive 332 lb-ft of torque at just 1000 RPM.

The full 560 lb-ft of torque is available between 2000 and 3000 RPM, and peak horsepower is achieved at 4000 RPM. In the 750 xDrive a run from 0-62 mph happens in 4.6 seconds, an improvement of 0.3 seconds. The 750Ld xDrive makes the same sprint in 4.7 seconds. Top speed is electronically limited to 155 mph. In addition to being more powerful the new quad-turbo diesel is also more fuel-efficient. BMW says average fuel consumption is down by 11 percent for an average of almost 40 mpg, although those numbers were recorded on the European testing cycle. Speaking of Europe, the new engine hits the 7 Series in July. An American release may be dicey because of Dieselgate.

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