02-08-2017, 02:37 PM | #23 |
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Let's look at the bright side of things: also open deck can bring joy.
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02-12-2017, 02:42 AM | #24 |
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LOL Artemis
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02-12-2017, 05:06 AM | #25 |
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Isn't the tyre reference just because over this next life cycle year MPSS is replaced by Michelin themselves to a PS4 or something.
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02-12-2017, 09:36 AM | #26 | |
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Quote:
http://www.enginelabs.com/news/suppo...r-closed-deck/
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02-12-2017, 11:41 AM | #27 | ||
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02-12-2017, 12:26 PM | #28 | ||
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02-12-2017, 03:20 PM | #29 | |
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I also posted that informative video in the past (in a time when I hadn't noticed yet that the 'closed deck' claim was questionable): http://f30.bimmerpost.com/forums/sho...2#post19388892 http://f87.bimmerpost.com/forums/sho...5#post19770695
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02-13-2017, 04:25 PM | #30 |
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Have no clue, but why would it matter? As long as the engine operates fine.
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02-13-2017, 05:16 PM | #32 |
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Because the manufacturer has withdrawn all references to a closed deck for the N55 and it appears that the controversy began because the marketing materials were printed with incorrect info. The marketing materials have been updated and BMW has retracted all references about the N55 being a closed deck design therefore clearly It is an open deck design. The S55 in contrast is closed deck, as have been the majority of M motors in the past. |
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02-13-2017, 05:30 PM | #33 |
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Why so you guys can have your exhaust note sound like shit too? mine does
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02-13-2017, 05:31 PM | #34 |
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Understood. I will ask BMW for their official stance.
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02-13-2017, 05:32 PM | #35 | ||
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02-13-2017, 05:39 PM | #36 | |
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BMW Group email response excerpt from 10/11/16:
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02-13-2017, 05:42 PM | #37 |
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So this guy was either clueless or a lying sack. Something tells me he would not risk the latter option. So if it's not a closed deck, then he was clueless.
Still surprised nobody has had the head off one of these things, for some sort of radical build or something... |
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02-13-2017, 05:44 PM | #38 | |
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So removal of such text from marketing material is a red herring. |
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02-13-2017, 05:45 PM | #39 | ||
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02-13-2017, 05:52 PM | #40 | ||
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What he was responding to: Quote:
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02-13-2017, 06:01 PM | #41 | |
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Well, then, it is difficult to conclude definitively anything about the design of the block from these latest data, IMO. The omission of the closed-deck language in more recent materials could mean everything, or nothing... |
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02-13-2017, 06:03 PM | #42 |
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More marketing trickery by BMW.
I'm quite saddened that BMW has come to resort to these tactics as of late. Let's exaggerate the facts while the hype is strong and then, by the time buyers figure it out, the hype train would've already taken off. Remember when all the initial data at the time of the F8X announcement claimed that the S55 was an "over-square" design with a different displacement than the N55? "Oh yes the S55 must be bespoke!" Well it was proven to be false down the line. In fact not only was the displacement (bore x stroke) and compression ratio identical to the N55, "75% of the engine components were adopted from the N55 production engine." I gotta say, I was involved with much debate with some members on the M2 discussion boards who swore on their soul that the N55B30T0 (in the F87) had the same block as the S55 because the phrase "closed-deck" in all the BMW propaganda. It should come as no surprise that N55B30T0 is not a closed-deck. The name of the engine itself implies that it is a variant (i.e., Technical Update) of the N55B30O0, not a "detuned S55" as many initially alleged it to be. I tried to dispel the conspiracy theory to no avail that was widespread at the time, the belief that the F87's N55B30T0 was actually a [detuned] variant of the S55 but was not given the "S" code because it would cannibalize sales from the F8x. One year later, nothing from BMW's technical drawings/literature or any aftermarket shops/tuners were able to supply evidence of a closed-deck in the M2. And then the phrase slowly gets washed away in marketing literature as well. Shameful a tactic as it is, BMW marketing was successful. Most people believed it initially and for those who bought the cars already, the newfound truth is unlikely to make them ditch their cars.
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02-13-2017, 06:09 PM | #43 |
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So if the tech is saying the m40i is a closed deck wouldn't that also mean the B58 new engine would be closed deck too? According to this BMW tech?
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02-13-2017, 06:28 PM | #44 |
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Sounds like they've employed Winston Smith as their records department writer for the bmw ministry of truth.
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