02-26-2013, 02:22 PM | #45 | |
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02-26-2013, 03:30 PM | #46 |
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Hmm...or the driver could make the "vroom" sound himself/herself each time he/she steps on the accelerator. I mean why should BMW bother adding this active sound stuff? They should just tell the customer to make the sound themselves.
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02-26-2013, 05:57 PM | #48 |
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Last time I checked when I make a vroom sound it doesn't sound anything like a car.
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02-26-2013, 06:25 PM | #49 | |
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02-26-2013, 06:40 PM | #50 | |
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02-26-2013, 06:46 PM | #51 | |
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This is what I said in my post. If you hate Active sound so bad, pull the damn fuse. That's all it takes! To me, it just seems like people make such a huge deal out of it! Besides, there's a video on YT that shows an M5 with Active Sound on and off, and I can hardly tell the difference to be honest.
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02-26-2013, 06:54 PM | #52 | |
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Pulling the fuse disables active sound, but it also disables the entire audio/stereo system.
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02-26-2013, 07:03 PM | #53 | |
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In by head, this is just an excuse not to make a better exhaust. Just seems fake and trite.
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02-26-2013, 07:22 PM | #54 | |
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02-26-2013, 07:31 PM | #55 | |
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02-26-2013, 09:07 PM | #56 | |
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..like any car of these days, your petrol motor will actively charge the electric one even while that electric motor is producing the added hp.. |
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02-26-2013, 09:19 PM | #57 |
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I just don't think it will sell. Just like the Z8 (collectors edition, collects dust in the garage, no one drives it). They might compare this car to the AUDI R8. I see the combination here of number 8 for some reason?!
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02-26-2013, 11:16 PM | #60 | |
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Somewhat true, not completely true. The car will load-shift during lower-load periods to operate the engine at, say, 100HP when the user asks for 50HP, and use the other 50HP for charging. This is already done in hybrids and ER-EV's (you can see this in action in the Prius, which otherwise can't even climb a 5% grade at 65mph, the ActiveHybrid's SPORT mode, and the Chevy Volt's Mountain Mode), and typically you can ask for more aggressively topping off the battery (at the cost of fuel consumption) through a SPORT mode or the like, while the Comfort or Eco mode will pick a lower charge target so that it can regain more energy on a downhill stretch with regenerative braking. Now, your statement is true in that if you continuously ask for more power than the engine can produce, you will at some point "run out of juice" and your car will revert to a turbo-3-cyl. But given how big this battery is, you'll be pegged at the governed top speed for quite some time. Very rarely does a driver constantly ask for the peak power output out of the car for more than half a minute at best. The Prius, for example can only boost for around half a mile under full throttle (see last sentence of http://en.wikipedia.org/wiki/Hybrid_...ve#Performance). The ActiveHybrid 3/5 can provide around 20 seconds of boost (http://www.driving.ca/research-car/r...940/story.html). Starting with 100% juice, I'm usually down to 90% after a full throttle 0-70. But remember the AH3 only has a 1 mile electric range, so the i8's battery is much much larger. So yeah, if you are doing dyno runs on this car all day, sure, you risk running out of juice and being left with a 150HP "sports" car. On the bright side, it beats a dead Tesla at the side of the road, and somehow that's a "sports" car. But in reality, as soon as you let off on the throttle the car is going to load-shift to recharge the battery for your next lead-footed incident, so I highly doubt this will be a real world problem. |
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02-27-2013, 12:29 AM | #61 | |
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02-27-2013, 01:04 AM | #62 | |
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02-27-2013, 01:06 AM | #63 |
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I love the comment that it sounds a bit "Agricultural" in 3-cyl on mode
Frankly I cant wait for this car. Something this amazing at a less that $100K price point is wonderful. I hope it does not have a single HPFP in in anywhere
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02-27-2013, 09:10 AM | #64 | |
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Considering this is based off of a modular engine architecture, I am going to say that its a safe bet this has DI. |
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02-27-2013, 11:32 AM | #65 | |
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02-27-2013, 11:36 AM | #66 |
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