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05-22-2013, 08:25 PM | #89 | |
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05-22-2013, 08:42 PM | #90 |
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Prolly noob question here: what does an 8k rpm redline at 400hp/400lb.ft mean in terms of exhaust note?
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05-22-2013, 09:03 PM | #91 | |
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Still a six cylinder so my guess is that means it'll sound like one? I will miss the sound of the current V8 as well. |
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05-22-2013, 09:09 PM | #92 |
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Why do car reviewers still post dyno graphs? They should be plotting the car's data log of longitudinal G and test conditions (elevation, ambient temperature etc). At least two gears and top gear if possible. That would give a very accurate picture of how the car behaves in real life.
Coming back on topic, I would be most interested to know the static compression ratio of the new engine, as that has a strong bearing on how much boost it can take before necessitating a change of parts. My wild ass guess is probably around 10. |
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05-22-2013, 09:52 PM | #93 |
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05-22-2013, 09:58 PM | #94 |
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It's true, but it's hard to find fault if they can pull more power and better fuel economy from the car without significant turbo lag.
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05-22-2013, 11:20 PM | #96 | |
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This is silly and I know, it but it still bothers me that the coupe is stuck with the (meaningless as far as I'm concerned) "M4" badge. M3 and M5 are legendary. M4 to me carries no weight. Again purely psychological, but I can't get past it... Lol The numbers and overall design do look solid though. If the price isn't ludicrous ill take a hard look (and just be pissed everytime I have to explain that no, it isn't an M3) |
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05-23-2013, 12:04 AM | #97 |
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Looks more promising. However, still have some concerns about the chassis feel and overall size. As will be based on series car (which many have argued and I would agree) doesn't feel as good dynamically as the E9x or E46, and given the cost-conscious focus of BMW (engine sharing), the issues they've had competitively with the M5, M6, and 3 series (losing comparos), it will take a lot to fill the E9x shoes. Not sure 440 turborcharged horses for a 150 lbs lighter car, with a weight to power ratio of around 8.0 lbs/hp with electric steering is going to be much of a "leap" performance wise or driving-dynamic wise. Probably a low 7:50s on Nurburgring (ever wonder why on industry days in April/May 2013 footage of the E90 M3 CRT still being driven around keeps popping up).
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05-23-2013, 04:32 AM | #99 |
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I belive this car will be very intresting, special to see how ballance will be with those info we have so far: close to 8k RPM on engine 6l, 395 tourge, 415hp, less wight, all that to be so balance that we espect to be better then S65....
we will see..:d I belive it will be, i can;t wait to see that car how will manage on the track |
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05-23-2013, 07:39 AM | #100 | |
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- The engine is still capable of making more power at that RPM. - The engine's power peak comes before 8k RPM, but the decrease in power above that point is offset by targeting a higher RPM for the next gear change. One thing we can be sure of is that BMW will not produce an engine that revs to nearly 8K RPM at the expense of performance. |
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05-23-2013, 08:02 AM | #101 |
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05-23-2013, 08:35 AM | #103 |
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This is good news!
Wouldn't that make this the highest revving turbo production car (or at least currently produced)? I don't think the new 911 turbo even goes this high. Edit: 911 Turbo S tops out at 7.2k rpm. Edit2: The McLaren MP4-12C goes to 8.5k, so nevermind that. |
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05-23-2013, 08:46 AM | #104 |
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05-23-2013, 09:26 AM | #105 |
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05-23-2013, 09:27 AM | #106 | |
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05-23-2013, 09:44 AM | #107 |
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05-23-2013, 09:45 AM | #108 |
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05-23-2013, 10:06 AM | #109 |
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Beware people...
It's not a 8K redline, but a near-8K RPM redline! In marketing terminology, 7700 RPM is also near-8K redline... Even if it would have 'only' 7700 RPM, that would still be an achievement, compared to the 7000 RPM redline of the current 3L turbo petrol BMW engine (N55), which the new M3 engine will be based upon. Last edited by hwelvaar; 05-23-2013 at 10:22 AM.. |
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05-23-2013, 10:12 AM | #110 | |
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