New quad-turbo diesel engine will get its first outing in a performance version of the new 7 Series next year
BMW is putting the finishing touches to a new quad-turbocharged, in-line six-cylinder diesel engine for use in a number of high-end models, sources close to the German car maker have revealed
The new performance-orientated oil-burner is planned to get its first airing in a newly created 7 Series M750d model planned for launch in 2016.
Set to replace BMW’s existing tri-turbocharged diesel, the new quad-turbocharged engine is claimed to boast a capacity of 3.0 litres and develop well over 400bhp and 590lb ft.
Details remain scarce, although sources suggest the new engine could build on the tri-turbo unit used in the M550d and X5 xDrive50d M-Performance by adding a small electrically driven turbocharger to increase low-end boost pressure and provide added punch.
Alternatively, BMW could improve induction qualities by using a fourth conventional gas-driven turbocharger.
The existing tri-turbocharged unit develops 376bhp at 4000rpm and 545lb ft at a relatively high (by diesel standards) 2000rpm.
As well as being earmarked for the new M750d, the quad-turbocharged diesel is also set to appear in four-wheel-drive M Performance derivatives of the X5 xDrive50d, X6 xDrive50d, and X7 xDrive50d.
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