Details leaked from a dealer conference held in Holland this week suggest BMW’s upcoming 550dX, revealed by Autocar back in early September, will be the first recipient of the German car maker’s new tri-turbo 3.0-litre in-line six-cylinder diesel engine.
The new engine, which is also destined for new X5xDrive550d and X6xDrive550d models, is claimed to produce 376bhp and over 516lb ft of torque – some 70bhp and over 74lb ft more than the most powerful version of BMW’s existing twin-turbocharged 3.0-litre in-line six-cylinder diesel engine.
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