New monthly mileage feature in My BMW app after update.

Bimmerfun82 · 10-31-2023, 07:12 AM

What’s the science behind EcoPro clutch engagement and disengagement being of worse value in fuel economy, and/or lugging the engine and/or impact of turbos and reducing fuel input?

It appears like the engine is MORE efficient in adaptive mode. That is, unless you use other eco pro functions like a/c reduction etc and you are going slightly downhill. (I tend to use eco pro to more advantage on downhill trending roads to coast.) But is there more efficiency with less fluctuation in throttle inputs and “clutch” disengagement / coasting especially with the turbos at play?

MisanoblueZ4 · 10-31-2023, 07:42 AM

Quote:

Originally Posted by Westside Guy

Since I discovered it, Adaptive has been my mode of choice. I can get all the power I want if I need to pass somebody on the highway when I push really hard on the accelerator pedal while my car is not as powerful in the same type of passing scenario using Eco Pro mode.

Eco Pro around town is a slug, makes the car feel like a 2 cylinder. Felt better at highway speeds.

Do you think acceleration is stronger in Adaptive mode vs Comfort?

Westside Guy · 10-31-2023, 07:53 AM

Quote:

Originally Posted by MisanoblueZ4

Eco Pro around town is a slug, makes the car feel like a 2 cylinder. Felt better at highway speeds.

Do you think acceleration is stronger in Adaptive mode vs Comfort?

Definitely!

If I am not mistaken Adaptive will put you in Sport mode if you press really hard on the accelerator pedal.

MisanoblueZ4 · 10-31-2023, 07:57 AM

Quote:

Originally Posted by Westside Guy

Definitely!

If I am not mistaken Adaptive will put you in Sport mode if you press really hard on the accelerator pedal.

Liking that, might have to use Adaptive as my go to instead of comfort.
Shame that BMW did away with it on newer Z4’s

Westside Guy · 10-31-2023, 09:53 AM

Quote:

Originally Posted by MisanoblueZ4

Liking that, might have to use Adaptive as my go to instead of comfort.
Shame that BMW did away with it on newer Z4’s

Agreed, I am really happy that my M40i is a 2022 which came with Adaptive!

PSQ777 · 10-31-2023, 12:24 PM

Quote:

Originally Posted by MisanoblueZ4

Liking that, might have to use Adaptive as my go to instead of comfort.
Shame that BMW did away with it on newer Z4’s

Since I started using Adaptive some months ago comfort has never had a look in.

stlcdr · 11-01-2023, 05:54 AM

Quote:

Originally Posted by MisanoblueZ4

…
Do you think acceleration is stronger in Adaptive mode vs Comfort?

I’ve not seen a difference - the throttle mapping may be different, but once you hit kick down (that additional ‘bump’ at the end of the throttle) it seems to be giving it everything.

StanDiego · 11-01-2023, 12:05 PM

Welcome back 34%.

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MisanoblueZ4 · 11-01-2023, 12:41 PM

October is updated, I’m in the 14% of M40i drivers for average fuel….is that a good 14% or lower 14%

BMWGirlFL · 11-01-2023, 03:23 PM

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GerryC · 11-01-2023, 09:42 PM

Quote:

Originally Posted by MisanoblueZ4

October is updated, I’m in the 14% of M40i drivers for average fuel….is that a good 14% or lower 14%

That's good 14%. My average was 27.4 mpg and is similar to 34%. My most efficient was 33.2 mpg and similar to 34%.

StanDiego · 11-01-2023, 11:59 PM

Quote:

Originally Posted by MisanoblueZ4

October is updated, I’m in the 14% of M40i drivers for average fuel….is that a good 14% or lower 14%

That depends upon your definition of good.

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BMWGirlFL · 12-01-2023, 08:10 AM

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MisanoblueZ4 · 12-01-2023, 09:37 AM

My Novermber stats

crz4 · 12-01-2023, 10:59 AM

34% of the app users use the M background

StanDiego · 12-01-2023, 11:36 AM

34%

GerryC · 12-01-2023, 04:11 PM

Looking at my results, my Z4 was similar to 34% in all areas. The X5 was 34% in hours and CO2, but 14% in fuel consumption.

That indicates to me that they're grouping results in a normal distribution by 1 sigma groups. Zero to 1 sigma is 34% of the distribution. 1 to 2 sigma is 14%. 2 to 3 sigma is 2 %. The only problem is you don't know whether you're on the high or low side of the mean.

perryinva · 12-07-2023, 03:23 AM

So it looks like everyone is either 34% or 14% on whatever BMW makes up. Also looks like 40.1MPG is a top standard, LOL. Window dressing, apparently

StanDiego · 12-07-2023, 11:56 AM

Quote:

Originally Posted by perryinva

So it looks like everyone is either 34% or 14% on whatever BMW makes up. Also looks like 40.1MPG is a top standard, LOL. Window dressing, apparently

. . . and it appears to be pretty optimistic. The summary claims my average for November was 30.9 MPG while my actual calculated average was only 28.07 MPG.

FWIW, my average fuel economy (actual calculated) since taking delivery 15 months ago, and over 6300+ miles is 28.69 MPG.

Westside Guy · 12-10-2023, 08:11 AM

My November summary is available and while I mostly had local trips I am back at the infamous 34%.

MisanoblueZ4 · 01-01-2024, 09:07 AM

December recap available now.

MisanoblueZ4 · 02-01-2024, 09:35 AM

January 2024 is up

Every month I’m in the 30-31mpg range.

My most common modes are Adaptive/Comfort followed by Sport Individual, Sports Plus and very very rarely Eco Pro.

10-31-2023, 07:12 AM	#67
Bimmerfun82 Brigadier General 7199 Rep 3,405 Posts Drives: M3, X7, MY Join Date: Sep 2012 Location: Atlanta iTrader: (0) Garage List 24 BMW M3 [10.00] 24 BMW X7 [9.00]	What’s the science behind EcoPro clutch engagement and disengagement being of worse value in fuel economy, and/or lugging the engine and/or impact of turbos and reducing fuel input? It appears like the engine is MORE efficient in adaptive mode. That is, unless you use other eco pro functions like a/c reduction etc and you are going slightly downhill. (I tend to use eco pro to more advantage on downhill trending roads to coast.) But is there more efficiency with less fluctuation in throttle inputs and “clutch” disengagement / coasting especially with the turbos at play?
	Appreciate 2 Westside Guy5720.50 MisanoblueZ41376.50 Quote

11-01-2023, 12:05 PM	#74
StanDiego Darth ZEDer 6249 Rep 1,105 Posts Drives: 2022 BMW Z4 sDrive3.0 Join Date: Jul 2022 Location: metro St Louis iTrader: (0) Garage List 2022 Z4 sDrive 30i [9.51]	Welcome back 34%. .
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11-01-2023, 12:41 PM	#75
MisanoblueZ4 Lieutenant 1377 Rep 575 Posts Drives: 2021 Z4 M40I Join Date: Sep 2023 Location: South Carolina iTrader: (0)	October is updated, I’m in the 14% of M40i drivers for average fuel….is that a good 14% or lower 14% Attached Images
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11-01-2023, 03:23 PM	#76
BMWGirlFL Colonel 6288 Rep 2,355 Posts Drives: Z4 M40i Join Date: Jan 2019 Location: South Florida iTrader: (0) Garage List 2020 Z4 M40i [9.89] 1989 325is (Retired) [9.00]
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12-01-2023, 08:10 AM	#79
BMWGirlFL Colonel 6288 Rep 2,355 Posts Drives: Z4 M40i Join Date: Jan 2019 Location: South Florida iTrader: (0) Garage List 2020 Z4 M40i [9.89] 1989 325is (Retired) [9.00]
	Appreciate 2 Westside Guy5720.50 Wynnsiensheng815.00 Quote

12-01-2023, 09:37 AM	#80
MisanoblueZ4 Lieutenant 1377 Rep 575 Posts Drives: 2021 Z4 M40I Join Date: Sep 2023 Location: South Carolina iTrader: (0)	My Novermber stats Attached Images
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12-01-2023, 10:59 AM	#81
crz4 Private First Class 863 Rep 132 Posts Drives: BMW Z4 G29 sdrive 20i Join Date: Sep 2022 Location: Germany iTrader: (0) Garage List 2022 BMW Z4 G29 sdr ... [8.75]	34% of the app users use the M background
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12-01-2023, 11:36 AM	#82
StanDiego Darth ZEDer 6249 Rep 1,105 Posts Drives: 2022 BMW Z4 sDrive3.0 Join Date: Jul 2022 Location: metro St Louis iTrader: (0) Garage List 2022 Z4 sDrive 30i [9.51]	34% Attached Images
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12-01-2023, 04:11 PM	#83
GerryC Captain 1613 Rep 849 Posts Drives: BMW Z4 M40i, BMW X5x40i Join Date: Jul 2021 Location: Florida iTrader: (0) Garage List 2022 BMW X5 xDrive40i [10.00] 2023 BMW Z4 M40i [9.72]	Looking at my results, my Z4 was similar to 34% in all areas. The X5 was 34% in hours and CO2, but 14% in fuel consumption. That indicates to me that they're grouping results in a normal distribution by 1 sigma groups. Zero to 1 sigma is 34% of the distribution. 1 to 2 sigma is 14%. 2 to 3 sigma is 2 %. The only problem is you don't know whether you're on the high or low side of the mean. __________________ 2023 Z4 ///M40i Thundernight Metallic/Cognac Vernasca/Moonlight/Shadowline/19" Black 799M/PP/DAP/ACC/HK 2022 X5 xDrive40i Phytonic Blue/Cognac Vernasca/DAPP/LSP/PP/CCP/PAP/20" Style 738/Spare Tire/Trailer Hitch
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12-07-2023, 03:23 AM	#84
perryinva Private First Class 123 Rep 161 Posts Drives: 2022 Z4S30i 2019 X3x30i Join Date: Aug 2023 Location: Richmond, VA iTrader: (0)	So it looks like everyone is either 34% or 14% on whatever BMW makes up. Also looks like 40.1MPG is a top standard, LOL. Window dressing, apparently
	Appreciate 1 Westside Guy5720.50 Quote

12-10-2023, 08:11 AM	#86
Westside Guy Brigadier General 5721 Rep 4,405 Posts Drives: 2022 Z4 M40i, 2021 228i GC Join Date: Sep 2021 Location: Hallandale Beach, FL iTrader: (0) Garage List 2022 BMW Z4 M40i [9.81] 2021 BMW 228i Gran ... [7.83]	My November summary is available and while I mostly had local trips I am back at the infamous 34%. Attached Images
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01-01-2024, 09:07 AM	#87
MisanoblueZ4 Lieutenant 1377 Rep 575 Posts Drives: 2021 Z4 M40I Join Date: Sep 2023 Location: South Carolina iTrader: (0)	December recap available now. Attached Images
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02-01-2024, 09:35 AM	#88
MisanoblueZ4 Lieutenant 1377 Rep 575 Posts Drives: 2021 Z4 M40I Join Date: Sep 2023 Location: South Carolina iTrader: (0)	January 2024 is up Every month I’m in the 30-31mpg range. My most common modes are Adaptive/Comfort followed by Sport Individual, Sports Plus and very very rarely Eco Pro. Attached Images
	Appreciate 1 Westside Guy5720.50 Quote