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Thread: BMW unveils single turbo N55 six-cylinder engine

  1. 05-26-2009, 09:28 PM #1
    1SICKLEX
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    Thumbs up BMW unveils single turbo N55 six-cylinder engine

    The N54 features a twin-turbocharging system, as well as direct-fuel injection and BMW’s own Valvetronic technology, and in its most potent configuration develops up to 326hp (243kW) at 5,800rpm and 332lb-ft (450Nm) of torque from as low as 1,500rpm. BMW’s new variation on the engine, labeled the N55, is based on the same basic engine block and valve system but only sports a single turbocharger. It is the world’s first engine to combine turbocharging, direct fuel injection and fully variable Valvetronic valve management developed by BMW.
    http://www.motorauthority.com/bmw-un...series-gt.html
    Peak output is still a healthy 306hp (225kW) at 5,800rpm and 295lb-ft (400Nm) of torque from an even lower 1,200rpm. Furthermore, the new N55 is also said to be more fuel-efficient than the N54 though no independent test results have been produced.

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  2. 05-26-2009, 09:30 PM #2
    MINI
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  3. 05-26-2009, 09:35 PM #3
    Cool Cat Racing
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    Looks like an easier swap in my E30. lol
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  4. 05-26-2009, 09:43 PM #4
    1SICKLEX
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    Indeed, sweet engine.
    Vossen CV3 20x9 & 20x10.5
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  5. 05-26-2009, 10:16 PM #5
    Cool Cat Racing
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    I'm still waiting for the twin turbo V12.
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  6. 05-26-2009, 10:24 PM #6
    mmmmpsi
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    that is a work of art.. nicely done BMW!!!
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  7. 05-27-2009, 12:49 AM #7
    Meatball546
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    That low-end torque is monumental, especially from a turbocharged engine! I'd love to see it in a non-M 3 series.
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  8. 05-27-2009, 12:58 AM #8
    OnURleft
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    I'm looking forward to the fuel figures. I drove my 2nd cousins 335ci around and could easily get 30mpg highway cruising 65-70ish. I always love trying to get 400+ miles out of a 16 gallon tank when I am driving around Atlanta highways and the burbs
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  9. 05-27-2009, 06:32 AM #9
    nsany(atl)
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    look at the air intake??? Goes from right side of engine, back to firewall, over top of engine and down to turbo. Must be 6 feet long, not to mention the enormous air box BMW is sure to put on it
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  10. 05-27-2009, 06:47 AM #10
    umairejaz
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    Quote Originally Posted by nsany(atl)
    look at the air intake??? Goes from right side of engine, back to firewall, over top of engine and down to turbo. Must be 6 feet long, not to mention the enormous air box BMW is sure to put on it
    ^I'm pretty sure they know what the fuck they are doing.... but, it is a design.

    Learning everyday.
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  11. 05-28-2009, 09:10 PM #11
    RUFFIAN
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    Thats TQ delivery rivals TDI engines.
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