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marque.com.au
AUTOMOTIVE NEWS SERVICE

BMW X6 GETS TWIN-TURBO DIESEL

By EWAN KENNEDY 
26 January 2009


BMW delights in controversy, particularly on the styling front. Just look at the styling of the big X6. It looks like nothing else on the road, apart from when viewed from the front, where it looks like a large SUV. But see it at any other angle and you’re likely to take a deep breath and become embroiled in the aforementioned controversy.

In profile the X6 has coupe-like lines with a severely sloping back end. From the rear it has the lines of a very oversized hatchback, one with a rather large bum, if you excuse that description.

Love it or hate it there's no denying this large BMW has presence on the road, in the carpark at the golf club, or outside your favourite cafe.

One area where there's no controversy is in BMW's expertise in engine design. The Bavarian marque has won more Best Engine awards than any other and continues to produce stunning units that surely make other engine designers wish they had thought of the technology first.

Take for example the new V8 that’s just become an option in the BMW X6 (and which will soon be seen in the new 7 Series lineup, and later in other vehicle in the range). Displacing 4.4 litres this new V8 has twin turbochargers, one smaller than the other. The smaller turbo helps the engine develop more power and torque at low revs. As engine speed increases the larger turbo joins in, then at higher revolutions the smaller turbo is taken out of the equation, leaving the larger one to operate on its own.

Producing a neat 300 kilowatts, the new V8 has torque of a hefty 600 Nm, the latter developed between 1750 and 4500 rpm. That’s not so much a torque graph as a torque table-top. This engine will be running at peak efficiency virtually all the time in day-to-day use. Only those who explore the upper limits of the rev band will see the torque gradually taper, to be replaced by ever-increasing power.

Our initial road testing at the Australian press launch of the new BMW X6 shows it provides smooth acceleration with a minimum of turbo lag. As you would expect from the specifications, pulling power feels endless and the big vehicle storms up hills as though they weren’t there.

Zero to 100 km/h acceleration is accomplished in just 5.4 seconds, an impressive figures for such a large vehicle. Yet fuel consumption is pretty reasonable for what it is. While 13.8 litres per hundred kilometres when measured to Australian standard figures doesn’t exactly make this an economy car, this is a large machine with the ability to cover ground safely and efficiently.

The engine drives all four wheels through six-speed automatic transmission and has intelligent traction and stability systems.

Larger brakes have been installed in the V8 than in the recently-released six-cylinder petrol and turbo-diesel models.

The BMW X6 is a large vehicle and has plenty of front headroom. Rear seat legroom is good, but taller passengers could have a problem due to the coupe-like roofline. Try it for yourself.

BMW has deliberately made this a four-seater, not a five-. There are individual rear seats separated by a console, thus creating a rear area that’s similar to the one you find in the front of a luxury saloon. These rear seats certainly provide a pleasant ambience for two, may we suggest you try it for yourself when test driving at your local BMW dealer. Don’t just sit in the front, push the kids out and try the rear for yourself.

The boot is a good size, but the floor is a long way off the ground. Aggravating that is a tall loading lip, so the luggage area requires a fair bit of effort to load heavy items.

Ride and overall comfort are excellent, the weight of the X6 certainly helps it here as the car feels glued to the road even on harsh surfaces. Handling is far better than you would expect from a 2.2-tonne vehicle, though it’s not the most nimble car on the road when you ask it to change direction suddenly on winding roads.

The X6 is well equipped with leather trim, powered front seats, a 16-speaker audio system and a four-zone climate-control setup. The door mirrors have a fascinating automatic anti-dazzle function.

A head-up display lets you keep an eye on the readouts of some of the major instruments without taking your eyes off the road. But be aware these readouts may not be available if you use polarising sunglasses, try for yourself.

All of this rides on spectacular looking 20-inch alloy wheels which look just so right on a vehicle like this.

The new BMW X6 is on sale in Australia now and has a recommended retail price of $145,000, plus on-road costs. It joins the existing six-cylinder petrol and turbo-diesel X6 models, thus giving something for everyone. At least for everyone who wants to stand out from the crowd and who likes to drive hard and fast in a large German thoroughbred.

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