When BMW set out to create its first Sports Utility Vehicle there was little compromise in using the BMW X5 6-Cyl. 3.0 Liter Engine to transform the sport utility vehicle as a part of the family of ultimate driving machines. So there was no surprise that the BMW X5 6-Cyl. 3.0 Liter Engine is a huge part of the success it has met on the market.
Known internally as the N54, the 2011 BMW X5 6-Cyl. 3.0 Liter Engine made its debut in 2006 to great fanfare as BMWs first turbocharged motor production motor since the 1980 745i. The engine not only pulled from BMWs great history with inline-6s, but on their alternative fuel projects as well. The engineering base starts off with an aluminum block filled with cylinder liners made from cast iron. This is to allow the parallel twin-turbo system to be used without problems. The reason behind the turbo-charging was to enable the BMW X5 6-Cyl. 3.0 Liter Engine to have the performance of a V8 with weight and efficiency of a V6. With 300bhp on tap and a weight of 70kg less than a BMW V8, it could be said that the goals were easily reached.
The two turbochargers are each fed from a paring of the three banks of cylinders. Their low boost pressure of .4 bar means that 300lb/ft of torque matches the horsepower and near instant throttle response similar to that of a naturally aspirated engine. With power figures and turbo lag issues out of the way, the fuel efficiency of the BMW X5 6-Cyl. 3.0 Liter Engine is helped along by their direct fuel injection system.