With its 381 hp available since the summer of 2012 Triturbo engine in BMW M550d & Co. no less than the most powerful six-cylinder diesel, which was until now the high-volume automotive use - but some customers is not enough apparently. Especially those customers who have switched from the BMW 535d with twin turbo diesel and also more than 300 horsepower on the new Triturbo miss subjectively expected more performance..
Accordingly stubbornly hold rumors that Munich is already working feverishly on a first update for the young engine. Here, about 420 hp is the speech that will make the facelift for the 5-Series (F10 LCI) from the summer of 2013 for a greater distance to the models with twin-turbo diesel. In addition, the BMW M performance model would not this way in terms of performance to fall too far behind the future 450-hp BMW 550i F10 LCI..
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