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I recently spoke with a friend about his efficiency experience with his M3 LR, so he was surprised to hear I was getting ~430-470 miles of range per charge consistently for the greater part of the 9 months I’ve owned my LR M3 RWD.
How?
1. Driving behavior
To jump right in, I commute 50 miles roundtrip a day, from Petersburg, Va. to Richmond, Va. for work. 87% of the driving consist solely of highway driving (43.5 of these miles are highway only!). Aside from family trips to North Carolina and southwestern Virginia, around 300-400 miles back and forth, the car hasn’t seen much deviation from the aforementioned daily commute.
2. Driving environment
For the forum members who are not familiar with the east coast and Virginia in general, the region is not flat by any stretch of imagination. The highways curve and vary relatively immensely in elevation for extended periods of driving up and down the Virginia I-95 corridor. Additionally, the average temperatures from October-April range between 30-50 degrees Fahrenheit; which we know our batteries don’t like! It should be noted that I have rarely utilized the battery precondition settings and will discuss why I haven’t later on. I was still averaging about 205 wh/mi when battery regen was limited by upwards of 90%. Since 19APR19, I have seen a consistent ~160-170 wh/mi at 85-95 degree Fahrenheit for 250+ miles.
3. Vehicle and driving details
Of course, the aero wheels are on! On warmer days 80F+, the AC is set to 67F at a fan speed of 2. This is done religiously. YES I am comfortable as if I were sitting on a cloud. I am not overly heat-tolerant; in fact, I rather dislike the heat. In colder weather, the AC is set to 75F and the fan speed at 2. Here is the kicker ladies and gentlemen, I travel at an average speed/ range between 57-62MPH. Sure, I am "that" guy, but when EAP/AP/FSD (whatever we call it now...) is on, I do nothing but enjoy the ride the entire way.
4. Charging behavior
I continually cycle between 10%-70% SOC. Rarely do I do more, rarely do I do less. Every 2 weeks, on a Wednesday, I charge to 95% and run the battery down to about 10% for a full cycle to ensure battery longevity. More than 90% of my charging/fuel is free courtesy of BMW ChargePoint station, located conveniently next to my domicile. Of the 3,300 kW I have used to push my car 17,000 miles, 3,000 have been free according to ChargePoint data. I do have a 240V at home, but it rarely sees action. I do not keep the battery plugged in when its charged to the set SOC capacity, so I do notice vampirism. I am willing to change this habit if someone can present evidence of the benefits of such, beyond Tesla recommendation etc. I am not a SOC expert but have pieced this together over the last few months, from sources ranging from E-Tusk down to forum users just like you.
If I left anything out that you'd like to know, please feel free to comment and I will answer to the best of my abilities.
Very respectfully,
Creighton
View attachment 418838 View attachment 418839
I recently spoke with a friend about his efficiency experience with his M3 LR, so he was surprised to hear I was getting ~430-470 miles of range per charge consistently for the greater part of the 9 months I’ve owned my LR M3 RWD.
How?
1. Driving behavior
To jump right in, I commute 50 miles roundtrip a day, from Petersburg, Va. to Richmond, Va. for work. 87% of the driving consist solely of highway driving (43.5 of these miles are highway only!). Aside from family trips to North Carolina and southwestern Virginia, around 300-400 miles back and forth, the car hasn’t seen much deviation from the aforementioned daily commute.
2. Driving environment
For the forum members who are not familiar with the east coast and Virginia in general, the region is not flat by any stretch of imagination. The highways curve and vary relatively immensely in elevation for extended periods of driving up and down the Virginia I-95 corridor. Additionally, the average temperatures from October-April range between 30-50 degrees Fahrenheit; which we know our batteries don’t like! It should be noted that I have rarely utilized the battery precondition settings and will discuss why I haven’t later on. I was still averaging about 205 wh/mi when battery regen was limited by upwards of 90%. Since 19APR19, I have seen a consistent ~160-170 wh/mi at 85-95 degree Fahrenheit for 250+ miles.
3. Vehicle and driving details
Of course, the aero wheels are on! On warmer days 80F+, the AC is set to 67F at a fan speed of 2. This is done religiously. YES I am comfortable as if I were sitting on a cloud. I am not overly heat-tolerant; in fact, I rather dislike the heat. In colder weather, the AC is set to 75F and the fan speed at 2. Here is the kicker ladies and gentlemen, I travel at an average speed/ range between 57-62MPH. Sure, I am "that" guy, but when EAP/AP/FSD (whatever we call it now...) is on, I do nothing but enjoy the ride the entire way.
4. Charging behavior
I continually cycle between 10%-70% SOC. Rarely do I do more, rarely do I do less. Every 2 weeks, on a Wednesday, I charge to 95% and run the battery down to about 10% for a full cycle to ensure battery longevity. More than 90% of my charging/fuel is free courtesy of BMW ChargePoint station, located conveniently next to my domicile. Of the 3,300 kW I have used to push my car 17,000 miles, 3,000 have been free according to ChargePoint data. I do have a 240V at home, but it rarely sees action. I do not keep the battery plugged in when its charged to the set SOC capacity, so I do notice vampirism. I am willing to change this habit if someone can present evidence of the benefits of such, beyond Tesla recommendation etc. I am not a SOC expert but have pieced this together over the last few months, from sources ranging from E-Tusk down to forum users just like you.
If I left anything out that you'd like to know, please feel free to comment and I will answer to the best of my abilities.
Very respectfully,
Creighton
View attachment 418838 View attachment 418839
I haven't specifically tested my M3 yet, but on my 2008 Mini Cooper, I got 34 mpg at 75 mph, 40 mpg at 65 mph and 50 mpg at 55 mph, 50% better at 55 vs 75, which fits the jist of this article.I should have paid more attention in my Fluids and Gases class in undergrad but darn isn't it impeccable that drag contributes to a fair amount of efficiency loss at speeds greater than 55-60. Of course, a majority of my underutilization of power is due to not traveling at 65+. Does anyone know of a graph/visualization that shows power consumption at 1mph intervals from 45MPH-80MPH?
First off, that's awesome! I agree with the poster about constant drain and (almost) full charge. Every recommendation I've seen says charge to 80% (some say 90% OK) and keep the car plugged in at night. I do want to attach this, for those seeing this post that may be unfamiliar with this site.I recently spoke with a friend about his efficiency experience with his M3 LR, so he was surprised to hear I was getting ~430-470 miles of range per charge consistently for the greater part of the 9 months I’ve owned my LR M3 RWD.
How?
1. Driving behavior
To jump right in, I commute 50 miles roundtrip a day, from Petersburg, Va. to Richmond, Va. for work. 87% of the driving consist solely of highway driving (43.5 of these miles are highway only!). Aside from family trips to North Carolina and southwestern Virginia, around 300-400 miles back and forth, the car hasn’t seen much deviation from the aforementioned daily commute.
2. Driving environment
For the forum members who are not familiar with the east coast and Virginia in general, the region is not flat by any stretch of imagination. The highways curve and vary relatively immensely in elevation for extended periods of driving up and down the Virginia I-95 corridor. Additionally, the average temperatures from October-April range between 30-50 degrees Fahrenheit; which we know our batteries don’t like! It should be noted that I have rarely utilized the battery precondition settings and will discuss why I haven’t later on. I was still averaging about 205 wh/mi when battery regen was limited by upwards of 90%. Since 19APR19, I have seen a consistent ~160-170 wh/mi at 85-95 degree Fahrenheit for 250+ miles.
3. Vehicle and driving details
Of course, the aero wheels are on! On warmer days 80F+, the AC is set to 67F at a fan speed of 2. This is done religiously. YES I am comfortable as if I were sitting on a cloud. I am not overly heat-tolerant; in fact, I rather dislike the heat. In colder weather, the AC is set to 75F and the fan speed at 2. Here is the kicker ladies and gentlemen, I travel at an average speed/ range between 57-62MPH. Sure, I am "that" guy, but when EAP/AP/FSD (whatever we call it now...) is on, I do nothing but enjoy the ride the entire way.
4. Charging behavior
I continually cycle between 10%-70% SOC. Rarely do I do more, rarely do I do less. Every 2 weeks, on a Wednesday, I charge to 95% and run the battery down to about 10% for a full cycle to ensure battery longevity. More than 90% of my charging/fuel is free courtesy of BMW ChargePoint station, located conveniently next to my domicile. Of the 3,300 kW I have used to push my car 17,000 miles, 3,000 have been free according to ChargePoint data. I do have a 240V at home, but it rarely sees action. I do not keep the battery plugged in when its charged to the set SOC capacity, so I do notice vampirism. I am willing to change this habit if someone can present evidence of the benefits of such, beyond Tesla recommendation etc. I am not a SOC expert but have pieced this together over the last few months, from sources ranging from E-Tusk down to forum users just like you.
If I left anything out that you'd like to know, please feel free to comment and I will answer to the best of my abilities.
Very respectfully,
Creighton
View attachment 418838 View attachment 418839
So you leave your car parked at anEV charger overnight and pick it up in the morning? What if someone else wants to charge during the evening as these sites are usually listed for public use? Screw them I guess, right?1) It would be interesting to see the inner schematics of the airflow profiles. I would be interested in hearing about this as well...
2) So far, no one has said a thing. However, I do try to only charge and park after the close of business, and if I need a big amount of enerfy in an overnight charge, I like to pick it up before they open. But on days where I charge during business hours, they don't pay me any mind. The spots say "EV Parking"
The display only shows battery-to-wheels efficiency (and who knows how accurate it is). If Chargepoint says you've used 3000kWh then you've used way more the 300kWh from other sources.Of the 3,300 kW I have used to push my car 17,000 miles, 3,000 have been free according to ChargePoint data.
It's my understanding that the charge rate also makes a difference regarding the life of the battery. When I'm not in a hurry, I use a 110 v community power outlet. I'll frequently use the Superchagers for short durations.
The display only shows battery-to-wheels efficiency (and who knows how accurate it is). If Chargepoint says you've used 3000kWh then you've used way more the 300kWh from other sources.
If your tires ever wear out you should get some Ecopias
Very impressive, I'm at 324Wh/mi (indicated) lifetime.
See "Efficiency vs. Speed" under Graphs in Imperial Units: Tesla Model 3 Performance vs RWD consumption - Real Driving Data from 233 Cars.Does anyone know of a graph/visualization that shows power consumption at 1mph intervals from 45MPH-80MPH?
324Wh/mi. Saving the world.
Also all the energy used while the car is not in drive (i.e. parked). That's at least 300kWh per year.That would be 708kWh (630kWh/0.89) from other sources.
Also all the energy used while the car is not in drive (i.e. parked). That's at least 300kWh per year.
Does anyone know of a graph/visualization that shows power consumption at 1mph intervals from 45MPH-80MPH?
M3 AWD - I find myself alternating between “wow this car is so efficient” and “OMG this car is so fast!” Alas, fast usually wins out for me.
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