• The new BMW M5 (06/2011)
As part of the buildup to this weekend's Pebble Beach Concours weekend, Autoblog senior editor Damon Lavrinc is in Monterey with BMW, where he has been able to confirm that the 5 Series will receive a diesel model tuned by the automaker's M performance division.

Interestingly, the much-rumored high-performance model will probably not be badged as an M5 variant. Instead, it will likely adopt a nomenclature similar to that of the 1 Series M Coupe. Further, because of the diesel's expected high torque output, the M-tuned diesel 5 Series is likely to be offered exclusively with all-wheel drive. Following traditional BMW naming guidelines, that means the vehicle is likely to get an ungainly moniker like BMW 550d xDrive M or something similar (TheDetroitBureau.com suggests 550dM or 550dXM as other possibilities).

The 3.0-liter tri-turbo's torque output is likely to be prodigious – perhaps in the neighborhood of 650 pound-feet (the conventional gas M5 makes 500 lb-ft), a figure more commonly associated with heavy duty pickups. Even if you've managed to wrap your gray matter around that torque surplus, you're probably still pondering the idea of a triple-turbo engine. According to TheDetroitBureau.com, the new powerplant will be based on the current 3.0-liter diesel we've come to know and love, albeit significantly modified, including a unique cylinder head. The engine will make use of a single, small turbo to help avoid lag at launch, coupled with a pair of larger twin-scroll units to augment power at speed. We hear that peak ponies will be down from the M5's 560-horsepower output, though it is still likely to stay about 500.

Predictably, the new engine is also expected to find its way into high-performance versions of BMW's X5 and X6 crossovers, both of which already offer physics-defying M models of their own.


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    • 1 Second Ago
  • 44 Comments
      Rafael Toro III
      • 3 Years Ago
      I think your output numbers are a bit off. 350-400hp and 500lb-ft is more realistic for the tri-turbo. They aren't going to find another 200hp and 200lb-ft from adding a small low-rpm turbo to the 3L diesel.
      • 3 Years Ago
      [blocked]
      Justin Campanale
      • 3 Years Ago
      Sorry, but the M line is supposed to consist of TRADITIONAL BMW's.First they make 2 M SUV's, then they make an AWD diesel M. What next, a V6 M? A FWD M?
        • 3 Years Ago
        @Justin Campanale
        [blocked]
        hellzkidd8
        • 3 Years Ago
        @Justin Campanale
        what about the past M3? it was a I6, and the M3 before that (e36)...... the only BMW "M" that had an 8cyl was the e39 M5, the e34? m5 also was an I6. 1M has a I6, z4-M had a I6 as well. What is a "TRADITIONAL BMW" a slow car? Audi RS6 is faster then M5. Why does BMW not come out with this sh*t first? I dont know. But as of right now, looks like they are just copying Audi because they see thats the way to go for "performance". See GTR, RS6, TT-RS, Veyron and so on.
        tkosoccer03
        • 3 Years Ago
        @Justin Campanale
        it's called good business... auto companies are evolving in order to cater to the masses.
        Spellchecker
        • 3 Years Ago
        @Justin Campanale
        What's next? A 4-cylinder M3. Oh wait...
      Nick Allain
      • 3 Years Ago
      That sounds like an absolutely wicked vehicle. Also, 10 points to the first person to swap that engine into a supercar shell.
        Daniel Sloan
        • 3 Years Ago
        @Nick Allain
        100 points to the first person to swap that engine into an E30.
          wallstreet
          • 3 Years Ago
          @Daniel Sloan
          That is the worst idea I've heard all week
          wallstreet
          • 3 Years Ago
          @Daniel Sloan
          You don't know anything about weight distribution or the effect it has on handling. Change your pic to the Audi rings you like nose-heavy cars that understeer everywhere.
          Levi Riel
          • 3 Years Ago
          @Daniel Sloan
          That's not a bad idea at all
      James Lee
      • 3 Years Ago
      Globs of torque but I don't think it's going to make near the 500 BHP! Somewhere in the 370-425 BHP max.
      tkosoccer03
      • 3 Years Ago
      there is no way in hell a 3.0L diesel is going to make 500 hp... if it makes 400, i'll be impressed.
      • 3 Years Ago
      [blocked]
      • 3 Years Ago
      [blocked]
        Adrian
        • 3 Years Ago
        God all you do is fap about Toyota/Lexus, and they haven't released ANY decent performance sedan besides the IS-F, and even it's getting dated. Time to come out from under the rock you've been under the last 3-4 years.
      Steve
      • 3 Years Ago
      m5 kit --> check rear seat leg room --> check awd --> check diesel fuel economy --> check 650 lb torque! --> check I don't care if they call it the DMX. This one is a winner.
      rü$╫
      • 3 Years Ago
      Ill take a diesel m5 or m3. Make them affordable!
      Rok Avsec
      • 3 Years Ago
      For god's sake BMW, just don't put M in the name. The car itself is kinda ok, but please, diesel and /M in the name? Name it 550d super/sport/performance/whatever and leave /M just for hardcore performance cars =/= diesel cars
        diablo000
        • 3 Years Ago
        @Rok Avsec
        Looking at the history of FIA GT, I would say you're incorrect in stating that Diesel cannot equal hardcore performance. I would take one of these over a standard M5 anyday, especially seeing that this may perform at the same level of an M5. There's no replacement for the torque that a good Diesel can produce.
      TRU-BOOST
      • 3 Years Ago
      Good move. Cant go wrong with a deisel.
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