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      01-21-2025, 10:53 AM   #1
Hoka Hey
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Efficiency Teardrop HUD Explanation?

The efficiency teardrop in the HUD is difficult for me to understand.

My google search hasn't found a good explanation or video.

Is there a good video explanation or any good explanation of this?

Thanks.
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      01-21-2025, 11:38 AM   #2
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I have no clue and I have the same question. It seems like the HUD graphic in Efficiency Mode is trying to communicate efficient driving, but it is not intuitive. Not really sure what the graphics and animations are trying to say.
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      01-21-2025, 12:27 PM   #3
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We have been having a discussion about that in the G60 forum, as part of this thread https://www.bimmerpost.com/forums/sh...php?p=31741955

Similarly there’s broad confusion but some of us have been trying to decode what it all means - the line inside the teardrop seems to track directly with the power band on the dash, and the “wings” either side of the teardrop track the target power marker on the dash. I’ve noticed that when you hit an optimal level the wings shrink to a line that pulses towards or away from the teardrop depending upon whether you’re drawing power from the battery or putting it back through recuperation…..at least that’s how I have come to see it.
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      01-21-2025, 08:18 PM   #4
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Quote:
Originally Posted by RichardInCA View Post
We have been having a discussion about that in the G60 forum, as part of this thread https://www.bimmerpost.com/forums/sh...php?p=31741955

Similarly there’s broad confusion but some of us have been trying to decode what it all means - the line inside the teardrop seems to track directly with the power band on the dash, and the “wings” either side of the teardrop track the target power marker on the dash. I’ve noticed that when you hit an optimal level the wings shrink to a line that pulses towards or away from the teardrop depending upon whether you’re drawing power from the battery or putting it back through recuperation…..at least that’s how I have come to see it.
I had no idea what you all were talking about and luckily the end of that linked thread showed the graphic. I drive in efficiency mode regularly and I have never seen that in my HUD.
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      01-21-2025, 08:59 PM   #5
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Quote:
Originally Posted by Savsearcher View Post
I had no idea what you all were talking about and luckily the end of that linked thread showed the graphic. I drive in efficiency mode regularly and I have never seen that in my HUD.
I assume that’s what the OP is referring too?
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      01-21-2025, 09:46 PM   #6
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Quote:
Originally Posted by RichardInCA View Post
I assume that’s what the OP is referring too?
Correct.
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      01-22-2025, 08:56 AM   #7
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I tried that damn thing for all of 5 minutes before tossing it into the trash. Instead, I put the power consumption graph into my instrument cluster and just use that. If I want that number to go up, I drive more efficiently. It also gives me a real-time understanding of how much power I'm using so I can extrapolate my range in tight situations. The speedometer also shows how efficiently you're driving on the right hand side of the power band. It will tell you to reduce your power usage until you're in the sweet spot.
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      01-23-2025, 06:50 AM   #8
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These overly complicated graphics and elaborate animations in modern cars look very fancy but is actually more of a distraction sometimes, the ”teardrop” being point in case, no one seem to understand it.

It is the result of customer studies and next generation buyer studies that tell the companies that the ”new generation” and ”today’s car buyers” want and need to be entertained and they live their life in the digital space and with screens.
If you need to be entertained via a screen, whether it is the instrument cluster or HUD, then you have no business behind the wheel of a vehicle. Please move to the passenger seat or back seat. Driving should be the only thing that entertains you while driving.

The new panoramic vision seems cool and I could see that it will work, but the demo display has an overlaod of information-tiles ranging from useful to useless information. I am sure you can scale it down in you own config, but many won’t and at the same time most people need less distractions.
Second point in case is when a traffic light turns green, many cars leave a 25 meter gap to the car in front before they get moving resulting in less cars being able to pass and adding to traffic congestion. It is not because people care about safety and leave a lot of safety distance, no it is because the moment they stop, they pull out there phones and do not pay attention so when the light turns green they are taken by surprise.

End of rant…

Last edited by Norbimmer; 01-23-2025 at 10:46 AM..
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      01-23-2025, 09:29 AM   #9
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Quote:
Originally Posted by Norbimmer View Post
These overly complicated graphics and elaborate animations in modern cars look very fancy but is actually more of a distraction sometimes, the ”teardrop” being point in case, no one seem to understand it.

It is the result of customer studies and next generation buyer studies that tell the companies that the ”new generation” and ”today’s car buyers” wants and need to be entertained and they live their life in the digital space and with screens.
If you need to be entertained via a screen, whether it is the instrument cluster or HUD, they you have no business behind the wheel of a vehicle. Please move to the passenger seat or back seat. Driving should be the only thing that entertains you while driving.

The new panoramic vision seems cool and I could see that it will work, but the demo display has an overlaod of information-tiles ranging from useful to useless information. I am sure you can scale it down in you own config, but many won’t and at the same time most people need less distractions.
Second point in case is when a traffic light turns green, many cars leave a 25 meter gap to the car in front before they get moving resulting in less cars being able to pass and adding to traffic congestion. It is not because people care about safety and leave a lot of safety distance, no it is because the moment they stop, they pull out there phones and do not pay attention so when the light turns green they are taken by surprise.

End of rant…
Great rant!
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      01-23-2025, 10:39 AM   #10
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A possible interpretation of the Efficient Mode HUD

While driving in B mode, I've observed a few things with what I will call the Efficient Mode tetrahedron (teardrop, triangle, diamond or whatever you want to call it).

The tetrahedron has two sections, the top, above the widest part and the bottom, below the widest part. The bottom fills with blue which represents regeneration. The top fills with green as energy consumption increases.

White line - The white line inside the tetrahedron seems to represent the level at which you are consuming or regenerating energy. For instance, at max regeneration, the white line is all the way at the very bottom. As you consume energy, accelerate, it rises.

Outside wings - These tell you whether you are within the speed limit. They are full when you are at or below the speed limit. As you go over the speed limit, they shrink and go away at 5 MPH over the speed limit. As you accelerate, a horizontal line appears on each side where the base of the wings would be and a little ball passes along it. This seems to happen for each increment of 5 mph that you go over the speed limit. If you are driving within the speed limit and the wings are full, they will disappear if the speed limit decreases. It seems the wings are there to remind you that it is relatively more efficient to drive within the speed limit. Stated another way, it's safe for you to slow down to the speed limit to conserve energy.

Vertical split of the tetrahedron - One side is clear and the other is shaded the blue-green color of the graphic. So far, I have not noticed it changing. It seems to be solely to give the image a 3D look.

Caveat - I've been driving almost entirely in B mode so far. I don't know if this info changes if you drive in D mode. Also, I only have about 70 miles on the iX so far. So, I could be misinterpreting what is happening. All thoughts and corrections are welcome, particularly those that help decipher the display.
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      01-23-2025, 12:22 PM   #11
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Quote:
Originally Posted by Hoka Hey View Post
While driving in B mode, I've observed a few things with what I will call the Efficient Mode tetrahedron (teardrop, triangle, diamond or whatever you want to call it).

The tetrahedron has two sections, the top, above the widest part and the bottom, below the widest part. The bottom fills with blue which represents regeneration. The top fills with green as energy consumption increases.

White line - The white line inside the tetrahedron seems to represent the level at which you are consuming or regenerating energy. For instance, at max regeneration, the white line is all the way at the very bottom. As you consume energy, accelerate, it rises.

Outside wings - These tell you whether you are within the speed limit. They are full when you are at or below the speed limit. As you go over the speed limit, they shrink and go away at 5 MPH over the speed limit. As you accelerate, a horizontal line appears on each side where the base of the wings would be and a little ball passes along it. This seems to happen for each increment of 5 mph that you go over the speed limit. If you are driving within the speed limit and the wings are full, they will disappear if the speed limit decreases. It seems the wings are there to remind you that it is relatively more efficient to drive within the speed limit. Stated another way, it's safe for you to slow down to the speed limit to conserve energy.

Vertical split of the tetrahedron - One side is clear and the other is shaded the blue-green color of the graphic. So far, I have not noticed it changing. It seems to be solely to give [...]
Awesome summary. If the mode works the same as on the G60, I’ve been looking more closely at the “wings” and have seen that they seem to correlate with the suggested optimal power band on the dash - here’s a quick pic I took
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      01-23-2025, 01:48 PM   #12
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Quote:
Originally Posted by RichardInCA View Post
Awesome summary. If the mode works the same as on the G60, I’ve been looking more closely at the “wings” and have seen that they seem to correlate with the suggested optimal power band on the dash - here’s a quick pic I took
I have noticed this too. The wings seem to correlate not to the speed limit but to the optimal power band for maximum efficiency.
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      01-23-2025, 06:12 PM   #13
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Quote:
Originally Posted by Norbimmer View Post
These overly complicated graphics and elaborate animations in modern cars look very fancy but is actually more of a distraction sometimes, the ”teardrop” being point in case, no one seem to understand it.

It is the result of customer studies and next generation buyer studies that tell the companies that the ”new generation” and ”today’s car buyers” want and need to be entertained and they live their life in the digital space and with screens.
If you need to be entertained via a screen, whether it is the instrument cluster or HUD, then you have no business behind the wheel of a vehicle. Please move to the passenger seat or back seat. Driving should be the only thing that entertains you while driving.

The new panoramic vision seems cool and I could see that it will work, but the demo display has an overlaod of information-tiles ranging from useful to useless information. I am sure you can scale it down in you own config, but many won’t and at the same time most people need less distractions.
Second point in case is when a traffic light turns green, many cars leave a 25 meter gap to the car in front before they get moving resulting in less cars being able to pass and adding to traffic congestion. It is not because people care about safety and leave a lot of safety distance, no it is because the moment they stop, they pull out there phones and do not pay attention so when the light turns green they are taken by surprise.

End of rant…
I just wish we had something like this in my old polestar 2

Info should be simple to understand
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      01-23-2025, 07:23 PM   #14
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Originally Posted by LuisBoston View Post
I just wish we had something like this in my old polestar 2

Info should be simple to understand
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      01-23-2025, 09:24 PM   #15
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Originally Posted by LVBMW View Post
I have noticed this too. The wings seem to correlate not to the speed limit but to the optimal power band for maximum efficiency.
Yes, the wings seem to mimic the optimal power band, but that also seems to be linked in some fashion to the speed limit. It could be my driving style, but the wings disappear when I go 5 miles an hour over the speed limit and will Begin to return gradually only when I get back within 5 mph of the speed limit. I’ve also noticed that even when I am driving at a very consistent pace, the wings disappear if the speed limit drops by 10 miles an hour or more.

It seems like the wings first appear when I reach a relatively constant speed. In the next few days I’m going to pay more attention to whether I can get the wings to appear as I’m accelerating towards the speed limit.

Once I get to 5 miles an hour over the speed limit, the wings disappear, and the oscillating blue horizontal line shows up. I did notice today that the wings did not appear while I was accelerating to reach the speed limit. I think that they showed up once I was Maintaining a consistent speed close to the speed limit.

Also, I noticed that the blue oscillating line sometimes came on at times that had nothing to do with 5 mile an hour increments. This was when I was driving at highway speeds in excess of 60 in a 55 mile an hour zone. I wonder if it is trying to tell me that speeds in excess of 60 or 65 are simply not efficient?

This could be my driving style. Please check and see if you can get the wings to appear/remain when you’re going more than 5 mph over the speed limit.

Thanks.
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      01-23-2025, 11:57 PM   #16
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I think the oscillating blue line seems to show up when you get the “reduce power indicator on the dash - it’s a down arrow that is trying to get you to ease up on the throttle. All very mysterious. I originally the the idea was to make the wings as small as possible, now I have kinda given up on that notion. Guess it makes more sense in Bavaria. Shrug.
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      01-24-2025, 06:27 AM   #17
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Quote:
Originally Posted by RichardInCA View Post
I think the oscillating blue line seems to show up when you get the “reduce power indicator on the dash - it’s a down arrow that is trying to get you to ease up on the throttle.
Yes, I think it’s an attempt at a gentle reminder to slow down.

Quote:
Originally Posted by RichardInCA View Post
All very mysterious. I originally the the idea was to make the wings as small as possible, now I have kinda given up on that notion. Guess it makes more sense in Bavaria. Shrug.
I think the idea is that more is better?

BMW needs to do a video on this. Currently, it is Kind of like playing a video game without instructions. All the local BMW genius could tell me is that it reminds her of Pink Floyd.

Last edited by Hoka Hey; 01-24-2025 at 06:31 AM..
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      01-24-2025, 08:37 AM   #18
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Quote:
Originally Posted by Hoka Hey View Post
I think the idea is that more is better?

BMW needs to do a video on this. Currently, it is Kind of like playing a video game without instructions. All the local BMW genius could tell me is that it reminds her of Pink Floyd.
HAHAHAHAHA - If they could go full Dark Side of the Moon on the rendering at least it would be more entertaining.

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      01-24-2025, 09:44 AM   #19
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Just use cruise control in efficient mode. That way the car handles everything and you don't have to worry about it! lol
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