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Well emission standards have changed quite a bit in the last 5-6 years with incremental improvements every year or so. It will be a long time before all those trucks are off the road. Also, many of the trucks you are seeing may be modified to increase the power with an imperfexct tune which at certain conditions, throws a lot of unburnt fuel out of the exhaust (smoke)

Emissions limits depend on vehicle GVW rating (weight). That is why there are diesels in one ton and three quarter ton pickups but not half ton models

These exhaust tips are from the 2007 4.8 E70 and you can order them separately as a pair of end tips with a bmw serial number which i cant recall now. if you do a good search you will find them here... i have them on my 2008 3.0 SD and they look great!

BMW X5: M Sport Edition for particularly dynamic performance.

13.02.2012

In the spring of 2012, the BMW X5 model range will be complemented by a BMW M Performance Automobile, which in addition to a 280 kW/381 hp diesel power plant with innovative three-stage turbocharging, also features an M-specific suspension setting and a particularly impressive and aerodynamically optimised design. Simultaneously with the market launch of the BMW X5 M50d, the new M Sport Edition will be offered for all further model variants. It contributes effectively towards a further enhancement of the supremely powerful and agile characteristics of the Sports Activity Vehicle, thereby also emphasising its visual qualities.

The M Sport Edition comprises M exterior features for optimising air guidance, 20-inch M light alloys including tyre mix, BMW Individual High Gloss Shadow Line, Xenon lights (standard on the BMW X5 xDrive50i and the BMW X5 xDrive40d) and Adaptive Cornering Headlights. The BMW X5 xDrive50i is also equipped with pneumatic rear wheel suspension including automatic levelling. For all other model variants, the M Sport Edition offers a sporty suspension setting.

The sporting ambience in the interior is emphasised by the M leather-clad steering wheel with shift paddles, BMW Individual anthracite roof lining, BMW Individual interiors trim strips in black piano lacquer, doorsills boasting the M logo, stainless steel pedals and the M footrest for the driver. The M Sport Edition also includes electrically adjustable sports seats. The new M Alcantara/Black Nappa leather combination is available exclusively in conjunction with the M Sport Edition.

Over and above that, the range of special equipment for the BMW X5 will in future also include the optional heated steering wheel in conjunction with the M leather-clad steering wheel. From the spring of 2012, the colour variant Orion Silver metallic will be available as a new exterior paint finish.

Yes but the X5 is over a ton. Also, I have friends who have bought brand new american diesels and they still spew black smoke. It still does not answer why BMW are not allowed to sell this new vehicle over here.

I don't think its a question of somebody not allowing BMW to sell these in US. If BMW wants they can sell it in US, they just have to federalize it. Its all up to BMW.

No, it isn't over a ton. A one ton pickup is slang for a class 3 light duty truck, often called an F350, C3500, or Ram 3500, and with a GVW starting at 10,000 lbs. A three quarter ton pickup has a GVW starting at 8500 lbs, and that is where the line is drawn. An X5 has a GVW pretty close to 6000 lbs, so it has to meet passenger car emissions standards, which anything over 8500 lbs GVW doesn't.

As Lemans says, BMW could get the engine certified if they wanted to. They just must not see any reason to do so, likely the costs being higher than the benefits (revenue). That may be partly because they can sell lots of the diesels overseas at much higher prices. They subsidize their sales into the US to sell at very low prices compared to the rest of the world, so I can see them not wanting to bring a vehicle in that they have a high demand for elsewhere in the world.

The M50d is slated to arrive in June 2012 for Australia, with orders openning up most likely in April 2012 for June arrival.

I have put my name down for one but have no pricing but think fully optioned like my current M40d it will be between $170k to $180k on road, that,s AUD dollars and our dollar now is $1.07 against the US dollar.

iWant