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BMW 3-Series (E90 E92) Forum
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Dyno of new BMW N20 I4 Turbo Engine
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10-03-2011, 03:25 PM | #1 |
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Dyno of new BMW N20 I4 Turbo Engine
![]() Featured on BIMMERPOST.com This is the engine going into the 2012 Z4 sDrive28i, 2012 528i, and next year's F30 3 series 328i Results: 233hp @5350rpm 249lb-ft @ 4450rpm |
10-03-2011, 03:33 PM | #2 |
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233/249 is real solid for a straight 4 turbo daily driver. Perhaps the after-market tuners can get 275/300 out of it with just a flash which would be awesome.
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10-03-2011, 04:23 PM | #4 |
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thats fantastic, should be agreat powerplant.
I cant see the video so i'm curious what the curve looks like
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10-03-2011, 05:01 PM | #5 |
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Oh good, now even four cylinder BMW motors are making my "S" motor look anemic.
Pretty impressive, if BMW can keep the weight down on an F30 328i, I'd strongly consider one. |
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10-04-2011, 09:31 AM | #8 |
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Exactly. Don't think that's at the wheel though as it doesn't say RWHP in the video.
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10-04-2011, 09:50 AM | #10 |
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10-04-2011, 10:11 AM | #12 |
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So initial reviews of the sDrive28i were favourable and now the potential power you can get out of it. BMW's switch to a 4-banger is looking pretty good now huh?
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10-04-2011, 10:28 AM | #13 |
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Its pretty frustrating when these companies do this because they know darn well it will cause confusion about whether its whp or not. Both schools of thought are done by some people and another by another group.
For example some tuners like to "convert" albeit inaccurately from whp to crank hp in order to more easily measure it to other cars that there is no dyno availabl. Another school does not believe in using hte conversoin factor as it is so off the mare |
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10-04-2011, 10:40 AM | #15 |
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Sounds great. What more can you ask for? Power/Torque/Efficient. This turbo 4 is turning out to be a great replacement for the I6 well except the sound.
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10-04-2011, 10:43 AM | #16 |
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one thing I don't like about turbo 4's is there is absolutely no upper range like a v8 or even the turbo 6. If you guys think the 335i has no upper end, wait till you feel it in a turbo 4. This is the biggest gripe of the sti and evo crowd.
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10-04-2011, 10:50 AM | #17 |
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I believe those numbers are at the wheels. Automobilemag.com has the Z4 28i at 240 hp/ 258 tq.
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10-04-2011, 11:23 AM | #19 |
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at the wheels ! impressive
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10-04-2011, 11:25 AM | #20 |
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I don't think the target crowd for the 328i/528i is really itching to see the tach hit 7100rpm. Lots of torque up to 5K is plenty for everyday spirited driving with these cars.
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10-04-2011, 11:35 AM | #21 |
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Not bad for a tiny snail. However, like the N55, I don't think there will be huge power gains with a tune like some of you are expecting.
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10-04-2011, 11:44 AM | #22 |
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I used to have a Audi TTS w/DSG and that car's 2.0 L turbo engine was sweet. The rev limiter was at 6800 rpm. It is officially said to have 282 hp@ the engine and it felt definately more powerful than its official figures. That engine showed me how a turbocharged engine can be fun.
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