Bmw X5 Xdrive35d
POWERED BY an inline six-cylinder diesel, the new X5 35d exemplifies the more performance-oriented European approach to fuel economy
in North America. By using high-pressure common-rail direct injection, combined with piezo injectors and sequential twin-turbo technology, BMW engineers have put together a package that delivers high performance and high mileage, and meets stringent North American emissions standards. By combining small and large turbos, the engine develops as much as 390 pound-feet of torque at 1500 rpm, and 425 pound-feet at just 1750 rpm, before reaching peak horsepower of 265 at 4200 rpm. A six-speed automatic supplies the right gear for any situation—0-to-60 mph can be achieved in 6.9 seconds. Because fuel economy is rated at 18 mpg city and 26 highway, the X5 35d qualifies for a $1550 tax credit.
Meeting tough 50-state emissions required using a selective catalyst reduction system with urea injection as part of the exhaust gas treatment. Use of urea, which BMW calls AdBlue, allows for optimized engine management. The system contains enough AdBlue to allow the driver to replace the fluid during normal service intervals, and the cost is covered as part of the BMW maintenance program.
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