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  1. #1
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    BMW N20 turbo 4 cylinder versus N52 naturally aspirated 6 cylinder - F10 528i comparison, 2011 vs. 2012

    Everyone should know by now that BMW is replacing their naturally aspirated N52 6 cylinder with the N20 turbocharged and direct injected 4 cylinder. How do these motors compare in the same model? Insideline did that exact comparison with a 2011 N52 powered F10 528i vs. a 2012 N20 F10 528i. Both motors are rated at the same output by BMW but the results below as well as dyno numbers show the N20 is in fact putting out more power.

    It isn't just the power and torque making the difference (the N20 has 258 lb-ft vs. 230 lb-ft for the N52) but the N20 is also lighter. The curb weight of the 2011 528i with the 6 cylinder is 3,910 against 3,854 for the turbo 4 cylinder. So more power, torque, and less weight. No surprise then that the N20 528i runs the 1/4 mile 14.6@94.6 versus 15.1@91.6 for the N52. That is 3 mph of trap speed for motors that are supposed to have the same horsepower rating. The N20 sure seems to have a promising future.

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  2. #2
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    as it should be! Nice to see the N20 doing much better, can't wait to see it tuned!

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    The N20 has been doing great from the beginning. It's impressive, definitely. I don't mind the loss of the N52 for it.

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    1 out of 1 members liked this post. Reputation: Yes | No
    N52 good riddance waste of an engine...Should have been the N20 from the beginning.

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    ^+1000...

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    not bad, pretty quick for being the base engine
    Click here to enlarge

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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    N52 good riddance waste of an engine...Should have been the N20 from the beginning.
    Poor N52, nobody loves it.

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    Click here to enlarge Originally Posted by Yukohama Click here to enlarge
    not bad, pretty quick for being the base engine
    Mid 14's in a 5 series? The 328i should be just as quick if not quicker than an E36 M3.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Mid 14's in a 5 series? The 328i should be just as quick if not quicker than an E36 M3.
    how times have changed... cant wait to see some real numbers on the N20 328i.
    Click here to enlarge

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Poor N52, nobody loves it.
    The N52 is a fine engine, I had one in my 328i and now we have it in our F10 528i but this new N20 is a hugely worthy successor.

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    Click here to enlarge Originally Posted by Remonster Click here to enlarge
    The N52 is a fine engine, I had one in my 328i and now we have it in our F10 528i but this new N20 is a hugely worthy successor.
    The n52 is ok but nobody loves it. I woukd rather have an m54.

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    N20 with a big single turbo Click here to enlarge

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    Jesus these 3 series are fat pigs smh. Whatsup with all this weight increase?

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    wow incredible thing, BMW at its best!!

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    Click here to enlarge Originally Posted by nismo370 Click here to enlarge
    Jesus these 3 series are fat pigs smh. Whatsup with all this weight increase?
    Safety and technology is added lol.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    Safety and technology is added lol.
    3910 lbs for a 528 is rediculous

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    Click here to enlarge Originally Posted by lughed Click here to enlarge
    3910 lbs for a 528 is rediculous
    It's not that bad... look at an SL65 amg or something, thats like 4500 lbs for a coupe!
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  18. #18
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    Click here to enlarge Originally Posted by nismo370 Click here to enlarge
    Jesus these 3 series are fat pigs smh. Whatsup with all this weight increase?
    The weight issue is probably due to them being 5 series not 3 series...

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    i dunno, based on that a base 128i should be hitting 14.0ish@ around 98, hard to believe.

  20. #20
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    Click here to enlarge Originally Posted by Laloosh Click here to enlarge
    i dunno, based on that a base 128i should be hitting 14.0ish@ around 98, hard to believe.
    Why?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Why?
    I guess we can further discuss when it doesnt happen.

  22. #22
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    Click here to enlarge Originally Posted by Laloosh Click here to enlarge
    I guess we can further discuss when it doesnt happen.
    You are referring to the new 1 series?

    Did you see what the Z4 with the N20 runs?

  23. #23
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    The Z4 with the N20 is a cool little car. Would be awesome to put a real turbo on it. Click here to enlarge

  24. #24
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    Click here to enlarge Originally Posted by SlicktopTTZ Click here to enlarge
    The Z4 with the N20 is a cool little car. Would be awesome to put a real turbo on it. Click here to enlarge
    Runs 14.2@97... with the manual not a DCT.

  25. #25
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    Hmm.... I could see myself getting a 328i as a DD and a real track car...

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