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BMW Quad-Turbo Diesel Engines For Top-Spec Models: Report Photo:
Trevor Collett | Aug, 03 2015 | 1 Comment

BMW is looking to cram more turbochargers under the bonnet of some of its diesel-powered models, according to reports out of Europe.

The UK’s Autocar reports no less than four turbochargers could motive the new line of diesels, which would be available initially in BMW’s range-topping models.

The engines are all in-line six-cylinder units, and BMW customers may see the first of them in showrooms from next year.

BMW’s M750d from the luxury 7 Series range will reportedly be first in line, featuring a 3.0 litre engine producing more than 298kW and 800Nm.

The new engines are believed to be based on BMW’s tri-turbo diesel design, and two of the four turbochargers in the new layout could be electrically driven.

2016 BMW 7 Series
2016 BMW 7 Series

But the new setup could instead feature a pair of twin-scroll turbochargers or two bi-turbo arrangements - one each on three of the engine’s six cylinders. BMW, for now, is keeping mum on the finer details.

Other models said to be in line for new quad-turbo diesel engines include BMW’s M550d, along with the X5 xDrive50d and X6 xDrive50d M Performance variants.

BMW’s all-new 2016 7 Series was unveiled in June, with 330kW/650Nm 4.4 litre bi-turbo petrol V8, 240kW/450Nm 3.0 litre petrol inline-six and 190kW/400Nm plug-in hybrid models confirmed for the new range in various markets, along with the 195kW/620Nm 3.0 litre diesel.

The diesel engine powers the 730d and returns 4.5 l/100km. Where the quad-turbo diesel fits into the range, if at all, remains to be seen.

MORE: BMW Demonstrates Future Hydrogen Tech, Begins Road Testing
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BMW | Diesel | Turbocharging

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