04-09-2016, 03:25 PM | #67 | |
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As others have mentioned, comparing Dyno figures is best when there is other data from that same Dyno.o |
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04-09-2016, 03:31 PM | #68 | |
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04-09-2016, 03:36 PM | #69 |
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No, highest I've seen is 113 with the DCT. So prob in the 110-114 range once all is said and done, which is perfectly fine given its specs.
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04-09-2016, 03:40 PM | #70 |
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Yes, I went to the company's website to figure out what dyno they used because someone on Facebook asked how that converted to a dynojet.
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04-09-2016, 04:04 PM | #71 |
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Dynocom dyno is the highest reading dyno, my 1m has been dyno on mustang, dynojet and dyncom and the dynocom numbers are way higher compared to the dynojet and mustang, my preference is the dynojet which is not to low or to high, just right
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04-09-2016, 04:47 PM | #73 | |
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Anyway, we all knew it wasn't a dyno queen. If you wanted big HP numbers there's better options. The only thing this clip proves is that the car is making amazing low RPM torque, which is what you'll appreciate when you put your foot down. Not 500 HP at 8500 RPM. Show me an M235i on the same machine running the same fuel making better numbers and then I'll give a shit about the results. That would be click worthy. |
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04-09-2016, 05:02 PM | #74 |
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Remember a bigger turbo also flows more air at same pressure as a smaller one.
I don't see why BMW wouldn't have simply increased flow in direct proportion to target rating. The new turbo's efficiency range should allow a corresponding percentage increase in max power. The practical max HP on 93oct is going to be a little less than halfway between the max for the 335i turbo and max for the M4/M3 turbo. I figure 400-420 max. 335i 280whp stock, 360whp max 93 oct M2 330-340whp stock, 410whp max 93 oct. M4 430whp stock, 480whp max 93 oct avg jb4 map1&2 beta |
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04-09-2016, 05:53 PM | #76 | |
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But designing a motor isn't a math equation. A bigger turbo has to have some drawbacks right ? there still are differences between the n55 and s55 in terms of strength and stress I am sure. |
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04-09-2016, 06:04 PM | #77 | |
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It's a new engine. Different block, pistons, etc. The "N55" designation is just a name, nothing more. We were half expecting higher power numbers because we thought this car would get a larger turbo vs. the standard N55. Maybe it did, but these numbers look like perhaps it didn't. But given that the main components of the engine are all new, and not standard "N55", it wasn't odd to think the turbo might be upsized too. No one is forgetting anything. The B58, S55, etc. all put about their crank ratings down at the wheels, very underrated. At least initially, this motor doesn't appear to follow that trend. No worries, a Pure upgrade will bolt right in I'm sure.
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04-09-2016, 06:10 PM | #78 | ||
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I think, in time, we'll learn that the blocks are essentially the same. And we know it's using S55 pistons... I bet they are similarly strong. But sure, going with a larger turbo obviously is going to hurt low end response.
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'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs) '14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat) '08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat) Last edited by PrematureApex; 04-09-2016 at 06:18 PM.. |
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04-09-2016, 06:21 PM | #79 | |||
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04-09-2016, 06:52 PM | #81 | ||
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Nothing in the motor changed that would indicate different power numbers... compression nope red line nope turbo nope everything else was strengthened to make u feel better that ur getting stronger components from a better M motor... direct swap is all... probably required 0 r&d on their end
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04-09-2016, 06:52 PM | #82 |
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I agree! I don't really care if this car doesn't trap 120mph or whatever is "fast". Hell, cars are getting to the point where a driver's skill can't match how good the car is. I was fine with an E46 M3 power. This car will be beyond that by a decent margin, so I'm not complaining in the least. Some M3/M4 driver's can't handle all of the torque/hp that it has. I've seen numerous posts of people saying it can get out of control quick (Nannies off).
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04-09-2016, 07:48 PM | #84 |
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Ah but it is very much about math equations. The added engine stresses were addressed where necessary of course. The drawbacks to larger turbo include longer spool time (aka "lag") due to more inertia. Also more intake flow requires more fueling, so worse mileage. These "drawbacks" are acceptable for a performance car.
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04-09-2016, 07:54 PM | #85 | |
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04-09-2016, 08:12 PM | #86 |
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Dynos are pretty useless without comparables getting dynoed within the same timeframe. Eas dyno days are the best for this
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04-09-2016, 08:23 PM | #87 | |
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04-09-2016, 08:25 PM | #88 | |
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I'm surprised at how bothered some people are by the results. I get the feeling with all the fluffing this car has gotten people were expecting 370whp or something. It's not the second coming of Jesus Christ, it's an M2. Lol. Just drive it and enjoy it. |
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