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  1. #1
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    Finally a shot of the new N20B20 4 cylinder turbo motor in its entirety

    The vast majority of BMW blogs and sites on the net posted pictures of the N20 sitting in an engine bay with a plastic cover. That did not do much for us to be able to see the actual motor. Well, a shot of the motor has surfaced that also reveals the size of the intercooler. This is all we have so far but we are hoping more photos and details of the motor will surface soon.

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    Twinscroll turbo diagram:

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    lol was the twin scroll really necessary for such a small turbo. esp when its a 4 cylinder too haha. a very small intercooler as well. is it a 2 liter?
    compared to my gti... this is very interesting without a doubt.
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  3. #3
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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    lol was the twin scroll really necessary for such a small turbo. esp when its a 4 cylinder too haha. a very small intercooler as well. is it a 2 liter?
    compared to my gti... this is very interesting without a doubt.
    It isn't necessary, but definitely is a worthwhile thing for decreasing spool time.

    Wonder what the intake plumbing looks like. Hopefully this motor comes with beefy internals and lots of margin for tuning from the fuel system.

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    IT'S GONNA BE RWD!!!

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    The exhaust manifold seems to be well designed with individual primaries, probably for the twin scroll exhaust housing on the turbo. The intercooler is not that small for a 2 liter, its about the same size as the N54 IC hah...

    This thing looks like a mini N54, lot's of potential here.

    Click here to enlarge

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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    This thing looks like a mini N54, lot's of potential here.

    Click here to enlarge
    what car are they planning to put this into?
    Burger Motorsports
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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    what car are they planning to put this into?
    Every car with 28i code

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    Click here to enlarge Originally Posted by Sorena Click here to enlarge
    Every car with 28i code
    damn, now i wonder maybe 328s with chip and downpipe can keep up with modded GTI's
    Burger Motorsports
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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    damn, now i wonder maybe 328s with chip and downpipe can keep up with modded GTI's
    Yes , since it's based on N55 it has great potential for being modded , i'm thinking about +300HP or maybe more

  10. #10
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    Click here to enlarge Originally Posted by Sorena Click here to enlarge
    Yes , since it's based on N55 it has great potential for being modded , i'm thinking about +300HP or maybe more
    crap man, i hope not that much! if i get an e46 m3 these new 328's will cream me Click here to enlarge... looks like i need HPF
    Burger Motorsports
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    If this goes in the new 328, expect it to be the new entry level tuner car. Very nice!

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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    crap man, i hope not that much! if i get an e46 m3 these new 328's will cream me Click here to enlarge... looks like i need HPF
    Or just man up and get a 335! If I could do it all over again, I probably would wait for the 328, but the 335 is a beast, just doesn't get the mielage that Im used to. Makes me wonder how this new motor will compare to the upcoming Golf R....170Kw is 227 HP? I hope that's to the wheels!

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    Click here to enlarge Originally Posted by Ryan Mills Click here to enlarge
    Or just man up and get a 335! If I could do it all over again, I probably would wait for the 328, it's fun to try stuff on new engines. Makes me wonder how it will compare to the upcoming Golf R....
    I'm looking for a 335 brotha. soo hard to find one round 20 grand.

    but yea new engines are always so much fun when upgrades come out for it.

    i dont think it has a chance with the golf R. its a k04!
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    Sell a kindey, bam! an extra $5,000 to play with

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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    crap man, i hope not that much! if i get an e46 m3 these new 328's will cream me Click here to enlarge... looks like i need HPF
    Go for E46 M3 and don't give a thing about 328/335, Performance isn't everything Click here to enlarge

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    Click here to enlarge Originally Posted by Sorena Click here to enlarge
    Go for E46 M3 and don't give a thing about 328/335, Performance isn't everything Click here to enlarge
    true that.

    i want some more info on this engine tho haha. this is gonna be a new game for the bimmer world.
    Burger Motorsports
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    this should be fun to mess with Click here to enlarge

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    The N20 vs. N54 battle is going to be a fun one to watch.

    I think this engine will be trapping 100 to begin with, should be uncomfortably close for the N54 fellows.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    The N20 vs. N54 battle is going to be a fun one to watch.

    I think this engine will be trapping 100 to begin with, should be uncomfortably close for the N54 fellows.
    trapping 100 is fast dude.. damn

    i still dont think it will be close to the n54 even with the same bolt ons. It will need a bigger turbo most likely, but I'm just rambling cuz im jealous....
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  20. #20
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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    trapping 100 is fast dude.. damn

    i still dont think it will be close to the n54 even with the same bolt ons. It will need a bigger turbo most likely, but I'm just rambling cuz im jealous....
    With bolt on's it will be faster than an N54 stock, no doubt about it.

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    I expect this motor to dyno ~220. The N54 is around 270, so likely a 50 whp difference and 6 mph in trap speed. That is just my guess...

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    I wonder what the internals can handle, block is probably stout. Would be nice to see 20+ psi on this thing with stock turbo and engine with just chip and meth, somewhere in the 320-350 whp range would be super fun in a 128i.
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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    I wonder what the internals can handle, block is probably stout. Would be nice to see 20+ psi on this thing with stock turbo and engine with just chip and meth, somewhere in the 320-350 whp range would be super fun in a 128i.
    I would think that is a realistic range.

    I think we should see the same kind of market and tuning that the 2.0t sees.

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    If someone can swap this into an E30 chassis, lol.. Thats my first thought when I see a motor "hmm will it fit in an E30?"
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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    If someone can swap this into an E30 chassis, lol.. Thats my first thought when I see a motor "hmm will it fit in an E30?"
    cant wait to see numbers and the swap would be pretty cool
    Click here to enlarge

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