F55/F56 Green Mode
#26
12-01-2014, 03:14 PM
thinking about it, it is probably something where you need to, as we say in aviation "do that pilot thing" and make a situation decision. If I want to slow down (or not speed up on a downhill) AND conserve fuel, engine braking is probably better. If i want to economically continue at my present speed, or gain speed in a downhill, popping the clutch in makes sense.
Best bet, combination of the two for the best MPG.
Best bet, combination of the two for the best MPG.
#27
12-01-2014, 06:20 PM
Read some pretty definitive studies that show that "coasting" (basically putting in neutral or pressing in the clutch for older cars right?) actually uses MORE fuel as it requires the engine to run itself, instead of letting the forward speed of the car drive the engine while it essentially stops metering fuel altogether...
I did that exact MPG testing a while ago. When I coast down a hill in D (no throttle at all), the dash displayed that instanataneous fuel economy was 40-50 MPG. With the shifter in N, it dispayed 80-99+ MPG on the same down hill.
#28
12-01-2014, 07:33 PM
5th Gear
Green mode
There are so many variables. What about brake wear? I get the "green mode", but coasting on roads with speed limits seems to be designed in a lab and not the real world. I can see it work in Nascar when they're under yellow, but when they're saving fuel during green, they're off the main line of the track. How far do we go with this to save a buck a tank? Sure the new starter has more starts than the old starters, but maybe if you don't use the stop/start, the starter might actually last the life of the car.
#29
12-02-2014, 08:17 AM
OVERDRIVE
#30
12-03-2014, 04:23 AM
2nd Gear
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As someone who drives almost exclusively in green mode, I've learned to like it (in a justa). I think it creates some serious turbo lag in addition to everything else already stated.
In stop and go traffic I like that the throttle is less sensitive. I feel like I'm constantly wasting gas due to my lead foot when I have it in sport mode.
In stop and go traffic I like that the throttle is less sensitive. I feel like I'm constantly wasting gas due to my lead foot when I have it in sport mode.
@VicSkimmr......pretty AMAZING photos......very artistic and great subject matters......good on you !
#31
12-07-2014, 02:55 PM
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That's been the subject of many threads. The Readers Digest version is that it's been on the European Minis for years and works fine no problems. One thing here is that if you have A/C on and it's hot enough in the car the engine won't shut itself off. I'm not getting that you'll save much gas either, unless you spend a lot of time idling. Most of us don't.
#32
12-13-2014, 09:12 PM
question: Read some pretty definitive studies that show that "coasting" (basically putting in neutral or pressing in the clutch for older cars right?) actually uses MORE fuel as it requires the engine to run itself, instead of letting the forward speed of the car drive the engine while it essentially stops metering fuel altogether... how is the green mode coasting feature any different than just pressing the clutch?
Edit: I was incorrect. Sorry guys. It must have been a bad setting in my obd2 reader app. Now I do see 0 gal/hour when I let off my foot.
Last edited by hp79; 12-17-2014 at 02:41 PM.
#33
12-13-2014, 09:53 PM
Just an update, even in Sport or Mid mode, if you take off the gas pedal it still uses gas (0.15 gal/hour). It's less than idle (0.25 gal/hour) but doesn't completely cut off fuel like other cars. That's why it feels like it doesn't have much engine brake. At least this is how my 2015 F56 with automatic behaves. I didn't measure Green mode coasting, but it feels almost same as putting in N.
#34
12-17-2014, 05:15 AM
#35
12-17-2014, 08:50 AM
OVERDRIVE
I hear ya. Makes no sense to take a sporty car and make it a dog. Can you make the F56 always start in Sport mode or do you have to push the Sport button every time you start it like I do?
#36
12-17-2014, 09:14 AM
I'm curious if the MINI coding experimenters in the other thread can figure out any default re-programming which can address this.
#37
12-17-2014, 09:16 AM
#38
12-17-2014, 12:24 PM
OVERDRIVE
[QUOTE=TheBigNewt;4024239 Can you make the F56 always start in Sport mode or do you have to push the Sport button every time you start it like I do?[/QUOTE]
I guess the answer is no you cannot. I find that a little weird after all this time. I bet it starts in the middle mode not green.
I guess the answer is no you cannot. I find that a little weird after all this time. I bet it starts in the middle mode not green.
#39
12-17-2014, 01:57 PM
You're right, currently by default, the car always starts in Mid Mode. Wish it would remember the last mode, or a way to specify the last settings the car should remember upon restart. Maybe just wishful thinking.
#41
01-02-2015, 02:33 PM
Coasting in Green Mode: When you lift your foot off the gas on highway speed, gas flow rate will drop to 0 gal/hour for 1-2 seconds, and then it'll be using little less gas than an idle engine (near 0.2 gal/hour rate). This is when your transmission is decoupled and you really get to glide. I find it useful on slight down hill highways when my speed is maintained at 55-60 mph.
If you disable Coasting, it'll keep at 0 gal/hour when your foot is off the gas, but you will notice more resistance and the car will slow down more due to engine brake. I'm pretty sure gliding saves more gas, but it's different for every road.
Glide also works in city speeds too, but I find it more distracting because it makes me use more brake. I usually keep engine auto stop disabled, but turn it on when I know if it's going to be a long stop light and my engine is fully warmed up.
Oh, and about the drive mode, it seems there are more than just 3 modes. I looked at coding, and saw there are like 10 levels. Probably for different countries. I don't know how you can change them though.
If you disable Coasting, it'll keep at 0 gal/hour when your foot is off the gas, but you will notice more resistance and the car will slow down more due to engine brake. I'm pretty sure gliding saves more gas, but it's different for every road.
Glide also works in city speeds too, but I find it more distracting because it makes me use more brake. I usually keep engine auto stop disabled, but turn it on when I know if it's going to be a long stop light and my engine is fully warmed up.
Oh, and about the drive mode, it seems there are more than just 3 modes. I looked at coding, and saw there are like 10 levels. Probably for different countries. I don't know how you can change them though.
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