08-06-2013, 02:24 PM | #1 |
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FYI and FWIW: 2015 M3 - According to R&T
The September 2013 issue of R&T was just shared with me. According to them them:
Personally, I think BMW need to do something about the steering issues so often bemoaned in the F-cars before folks will flock to the M3/4 as they did in years gone by. $70K+ is too much to pay for lame steering IMO. Porsche have seemingly cracked the electronic steering nut, I don't know why BMW are dragging their feet on it.
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08-06-2013, 02:56 PM | #2 |
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Seems like nothing new here. We all knew it would make the same or just a tad more power than the outgoing S65, and we realized it was tri-turboed Inline 6 3L
E92 M3 starts at 60K. BMW better not try and push that MSRP up by 10K, even for the M4. That's ludicrous. |
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08-06-2013, 03:07 PM | #3 | |
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08-06-2013, 03:16 PM | #4 |
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I have no source for this, but I swear I read somewhere that BMW said they were going back to mechanical steering for the new M3. That wasn't already confirmed?
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08-06-2013, 03:19 PM | #5 |
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I had the same inkling, but neither could I find any source for my suspicion.
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08-06-2013, 08:20 PM | #9 |
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No way M4 before M3.
M4 concept's being shown AUg 18 at Pebble Beach Contours, but M3 (not concept) is shown at Tokyo. SOP will be either the same, or F80 first. |
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08-06-2013, 08:41 PM | #10 | |
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E90 M3 started production on Jan 2007, but E90 M3 started 6 months earlier in until June 2006. Seeing as they're being unveiled around the same time, BMW could drop them together, but if I had to pick "which one is coming first", I'd say M4. |
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08-06-2013, 09:11 PM | #11 |
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08-06-2013, 09:35 PM | #12 |
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08-06-2013, 10:43 PM | #13 |
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I highly, highly doubt the engine will have three turbochargers.
And the bit about the M4 coming before the M3 (particularly the reasoning for the M4 arriving first) also makes no sense.
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08-06-2013, 10:45 PM | #14 | |
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That being said, there is a potential kernel of truth in there somewhere. In recent years brushless electric motor technology has made some substantial advancements. There are commercial brushless motors that can operate at 250k rpm for extended periods. The mechanical engineering is much easier (and thus cheaper) when there's effectively no friction; the limitations on such motors are still stress & heat, but heat from electrical current rather than friction. Brushless motors are also vastly more efficient than any other type of motor. I'm not saying it's a simple or trivial engineering feat overall, otherwise there would be brushless electric turbos being actually used in OEM engines right now. There is still a great deal of efficiency lost when producing the juice to run the turbo for one thing, but I think it's a challenge with a viable solution for those car companies that have deep R&D pockets. * It's also worth mentioning that the spinup time on a brushless motor is really fast while the torque is very, very low. That has obvious substantial benefits for turbochargers. |
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08-06-2013, 11:09 PM | #15 |
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08-06-2013, 11:16 PM | #16 | |
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My understanding is the next wave of F1 engines will incorporate electronic turbos, which serve the dual purpose of eliminating lag and doing re-gen with exhaust energy. The regen seems to be the main focus, but this could be due to rules + regulations, although this is just from what I've read and in no way represents a sufficiently educated opinion How this trickles down to production engines will be interesting, but if anyone can do it, the ///M division can. |
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08-07-2013, 07:31 AM | #18 |
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08-07-2013, 07:33 AM | #19 | |
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https://www.google.com/search?q=n57s And no, I am not saying the S55 will have that exact setup, but clearly a tri-turbo engine has merit. |
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08-07-2013, 07:35 AM | #20 |
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08-07-2013, 09:48 AM | #21 |
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I hope it has 2 turbos not 3.
I do not care if it has slight turbo lag in the very low low rpms. The s65 engine from the M3 is a dog below 3k rpm. So who cares if it has the slightest turbo lag? I doubt it will have anymore lag than the s65 below 3k rpm. Does the 1M or GTR have any turbo lag? Never driven any of these cars.
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08-07-2013, 10:51 AM | #22 | |
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Is it? Mine responds instantly to throttle input irrespective of RPM. There is no lag. It seems to me that you may be confusing the concepts of power curve and input lag.
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