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Originally Posted by Craig
Yes, from what I've heard, the BMW diesel will require urea. The 07 Mercedes did not, and the 08 Mercedes does...
I've also heard the 08 Mercedes fuel mileage isn't as good as the 07.
Craig
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The '08 emissions standards are tougher, hence the need for urea injection on both the MB and BMW models. Expect the mileage to take a hit, but it shouldn't be a big factor. More important to me is that these will be new generation engines, with the related first-year problems. None of the current generation of BMW diesels will meet the '08 standards. When they come out in late '08 (still a rumour, but with the press releases out a pretty safe bet) you can be on the bleeding edge. While BMW has built lots of diesels, they haven't yet built this generation.
Hmmm, rattles on start-up, no revs, first model year for the new engines, and theoretically a reduced engine life due to the higher peak cylinder pressures. Just get a 3.0 twin turbo petrol engine when they come out, IMO.
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