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BMW 3-Series (E90 E92) Forum
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Efficiency Drive...
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02-17-2006, 10:00 PM | #1 |
First Lieutenant
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Efficiency Drive...
From BMW Magazine 1/2006 pg49.
"... For waits of 29 seconds of more - at a long traffic-light pauses and in traffic jams - it pays to switch the engine off. In stop-and-go traffic, fuel consumption can be as high as 10 mpg..." Anyone doing this with your E90? I believe this is how the Hybrid does it. Any ill effects on the starter, or anything else?
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02-17-2006, 10:04 PM | #2 |
Throw your hands in the air, if you's a true playa.
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Sounds good in theory, but my understanding is that wear and tear of the engine occurs at start-up. I don't think I'll be adopting this technique anytime soon.
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02-19-2006, 02:47 AM | #5 | |
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02-19-2006, 08:35 AM | #6 |
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Yeah, I read this bit of extremist nonsense too and wondered the same thing. I'm all for saving money and being environmentally responsible, but this is pretty unrealistic. For anyone who has ever stalled their car (non BMW) in heavy traffic and then been unable to restart (clogged fuel line), you'd wouldn't be so inclined to purposefully shut down the engine. The kind folks who get stuck behind you really appreciate your dilemma by voicing their warmest regards...
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02-19-2006, 12:28 PM | #7 |
First Lieutenant
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Agreed with all your posts.
I thought it was a little extreme.
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02-19-2006, 01:17 PM | #8 |
all systems are go
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I read somewhere that cities in Japan are 'recommending' that all drivers shut off their engines when stopped in a traffic jam or at a light. This is an attempt to reduce emissions and reduce unnecessary addition of heat to the environment. Auto inspections are very thorough in Japan, no one stops because they have clogged fuel lines or bad batteries.
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02-19-2006, 04:32 PM | #9 | |
First Lieutenant
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Do you know they have to turn their headlights off at night when stopped at all intersections. Reason: when 2 cars are directly facing each other with their headlights on, anything in between becomes semi-invisible, ie, pedestrians.
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02-19-2006, 04:36 PM | #10 |
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Yeah,
I read the short article in the latest BMW Magazine. Not sure if I would bother.
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02-20-2006, 03:26 AM | #14 |
missing two turbos.
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lol. imagine the world, where everyone shuts off their engines at the stoplight.
when light turns green, everyone starts their engines and GOOOOO!! Its like professional racing scene on the streets everyday. awesome. whoever turns it on faster will win.
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02-20-2006, 01:23 PM | #15 | |
Private First Class
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Its not important to us because of the vast difference in income. |
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02-20-2006, 01:39 PM | #16 |
Vroom Vrrooooom
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Unless you have a dry sump lubrication system that pressurizes before cranking, then you will --theoretically-- do more harm every time you do this.
I think we can all afford the extra 5 dollars a year for standing at traffic lights.
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02-20-2006, 02:12 PM | #17 |
Porscheneer
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Stop engine at light !!!
Extra wear on the car and good only for the environment !!!
You would have to be an avid tree hugger in order to adopt this technique, further more you would not do it in an E90 you would be in a Prius or riding a mule first . I hear mule's have methane emmissions
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02-21-2006, 09:33 AM | #18 | |
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also, a car burns more fuel starting up than sitting at an intersection for 30 seconds, just a thought |
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