07-01-2015, 04:38 PM | #67 | |
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Often mistaken for turbo lag
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What happens is that when you take your foot off the gas, the gearbox upshifts and you are essentially cruising in a very high gear. Floor the accelerator and it opens the inlet tract fully, reducing inlet air/fuel velocity, so there's very little engine pick up. This is not turbo lag. Also when you floor the gas, the gearbox takes a second or two to downshift, also not turbo lag.... Taken together its simply an engine out of its power band and a gearbox that's slow to downshift. Try this. Take your foot off the gas (fuel feed is shut off) but instead of just stamping on the gas, manually downshift 1 or 2 gears to increase revs to say 3000 then stand on the gas. Turbo lag is almost zero....because air/fuel velocity is maintained, the car is within its power band and the turbo is able to spool up extremely quickly once fuel and therefore exhaust flow is resumed. If you try what you suggest in a MT car, while maintaining appropriate revs, you'll find almost no turbo lag....the car responding almost instantly. Given that both AT and MT cars have the same turbo, the difference is the fact that AT upshift when throttle is closed and is then slow to downshift at full throttle |
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07-01-2015, 09:26 PM | #68 |
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Great write
A great example was our VW with it's slow gear box uptake. VW did replace the gear box but still had very slow uptake instead of extremely slow. I must say our 116i doesn't suffer at all in sport mode. I specially tried today with take off's to see if their was any slow gear box uptake but their wasn't. I still smile every time I pull away at traffic lights and roundabouts as the car dials in straight away.
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07-02-2015, 12:20 AM | #69 | |
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07-02-2015, 01:51 AM | #70 |
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You'll need to have a drive of the 8 speed as I and my wife was always manual but would never go back now I have 8 speed autos.
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07-02-2015, 01:57 AM | #71 | |
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I am the type of driver who likes to double declutch shifts now and then just for the mechanical feel when the gear engages with no resistance. |
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07-02-2015, 02:48 AM | #72 | |
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The 116i is now a 118i same power. I would need more than double clutch in Eco Pro
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07-02-2015, 03:02 AM | #73 | |
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Eco Pro is mostly about psychology, to make the driver focus on efficient driving. |
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07-10-2015, 07:50 AM | #74 | |
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This means I get to use the gas you saved in my bimmer running sport 24x7. In all seriousness, I like the split personality. It's fun to drive spririted. But, it's also a chess game to throw it in ECO to see how many miles you can extract. The Eco button is a brilliant engineering coup---especially to assuage the Catholic guilt associated with running in sport. |
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07-10-2015, 04:52 PM | #75 | ||
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07-10-2015, 07:45 PM | #76 |
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> Eco Pro is mostly about psychology
To let the concerned feel assisted rather than stupid. > to make the driver focus on efficient driving They put the "ecometer" on the dashboard and suggest gears in Comfort. > button is a brilliant engineering coup Next to lever and wheel. > The Eco button is brilliant to assuage the Catholic guilt The Pope must condemn it then. |
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07-10-2015, 11:43 PM | #77 | |
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07-11-2015, 12:06 PM | #78 |
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I don't know why some of you seem to hate the very idea of an eco mode. Does it threaten your fragile manhood? The default is comfort, if you want sport, choose it, its not like they force you to use the eco setting.
Kiwi, I love the irony that you picked a 116i and cane it around in sport only |
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07-11-2015, 04:08 PM | #79 | |
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The 116i has to have sport suspension and sport seats. It would even suit a raspy sound coming out the end of the rear pipe. This is my third 116i in 4 years and best to date. |
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07-11-2015, 05:25 PM | #80 | |
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ECOOooo PROoooo
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That's what's so brilliant. It collects together all the really horrible settings required by our bureaucrats into a single button that you can studiously ignore....genius |
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07-11-2015, 05:27 PM | #81 | |
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What's ironic about that? He takes the most from the least, it's quite some resource preservation, isn't it? |
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07-11-2015, 05:57 PM | #82 | |
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I still think you are a little blinkered on the eco-pro option but what the heck. |
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07-11-2015, 11:22 PM | #83 | |
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I suppose because we don't have many laws to hold us back. Drugs and guns are the only things we don't want and is fairly well controlled. Our police don't carry guns and we can debate with them without being arrested. I do have to control myself when I'm overseas or I could see myself being sent home on the next flight out. I did have a great drive in our 220i convertible today with top down, heated seats on and sports mode selected on a sunny mid winters day. Lambing has just started. |
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