symonray
Posts: 70
Joined: Thu Mar 07, 2019 8:52 am

Discrepancy in estimated range between guess-o-meter in car and Connected Drive app

Fri Mar 29, 2019 6:34 am

I have been noticing that the estimated range showing on the guess-o-meter inside my 2016 i3 rex at the end of my morning commute is consistently several miles higher than the estimated range showing on the Connected Drive app at the same time. Isn't the Connected Drive app supposedly just relaying the estimated range information generated by the guess-o-meter in the car? Has anyone had a similar experience and/or an opinion about the cause of the discrepancy? Thanks.
Timothy Simonds
2017 BMW i3 Rex

nickp
Posts: 91
Joined: Tue Oct 02, 2018 7:40 am

Re: Discrepancy in estimated range between guess-o-meter in car and Connected Drive app

Fri Mar 29, 2019 7:19 am

symonray wrote:I have been noticing that the estimated range showing on the guess-o-meter inside my 2016 i3 rex at the end of my morning commute is consistently several miles higher than the estimated range showing on the Connected Drive app at the same time. Isn't the Connected Drive app supposedly just relaying the estimated range information generated by the guess-o-meter in the car? Has anyone had a similar experience and/or an opinion about the cause of the discrepancy? Thanks.
I noticed that when I first bought my car. I think the "Comfort" mode matches between the car and the app. The Eco Pro and + modes don't. But you are right. The app should "query" the cars GOM and display it.

jadnashuanh
Posts: 5196
Joined: Thu May 22, 2014 2:07 pm
Location: Nashua, NH USA

Re: Discrepancy in estimated range between guess-o-meter in car and Connected Drive app

Fri Mar 29, 2019 7:23 pm

Look at the last update time status field on the app...it is often behind reality. It's likely that the app's displayed data is the same as what was in the car at that exact moment, but things like the temperature, whether the cooling is activated, and probably other things will cause that SOC value and thus range to vary over time.
Jim DeBruycker
2014 i3 BEV, 2021 X5 45e
(The i3 will be sold soon, <17K-miles, interested?)

symonray
Posts: 70
Joined: Thu Mar 07, 2019 8:52 am

Re: Discrepancy in estimated range between guess-o-meter in car and Connected Drive app

Mon Apr 01, 2019 12:45 pm

Thanks for your insights. I think one reason for the discrepancy is that I have coded my car so that EcoPro is the default driving mode. I assume the Connected Drive app gives range numbers based on Comfort mode.
Timothy Simonds
2017 BMW i3 Rex

Lude219
Posts: 12
Joined: Sat Mar 23, 2019 11:24 am

Re: Discrepancy in estimated range between guess-o-meter in car and Connected Drive app

Sun Apr 21, 2019 9:29 am

I just go by the SOC %. In my 2017 BEV, and based on my driving style and settings, every 20% drop in SOC represents a driven distance of +30mi. I've gone +150mi on a full charge many times at 65mph, eco pro mode, ACC on, and hvac off.

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