Posts

Showing posts with the label REx

BMW i3 Long Term Battery Capacity Report: Better Than Expected

Image
The heart of any electric vehicle is its battery. This BMW i3 cutaway shows the battery removed from drive module.  When it comes to electric cars, it’s all about the battery. Well, it’s not quite that simple, but given how important the battery is to the cost, range and performance of the vehicle, it’s pretty close. When someone is considering purchasing their first electric car, they will certainly have a lot of questions.   The one question that seems to be on nearly everyone’s list is: “How long will the battery last?” The problem is, it’s been very hard to answer that question authoritatively because we just haven’t had enough data.   That’s because modern electric cars that are powered by high-voltage lithium ion battery packs have been on sale for less than ten years, and long term testing results simply weren’t available.   In fact, the Nissan LEAF was the first high-volume all-electric car brought to market, and that model has only been on ...

Incorrect State Of Charge Readings Causing Problems For i3 Owners

Image
With the i3 REx, Reduced Power can occur if the operator continues to use more energy than the REx engine can produce. Examples of this would be continued high speed (over 70 mph) driving or long, sustained hill climbing. However this new problem that has plagued some i3 owners isn't caused by over-taxing the REx.  Someone once said, "You could always tell the pioneers by the arrows in their back."  A recent software bug has cropped up that seems to be affecting many of the early build and higher mileage i3s that are mostly driven by the early adopters. The problem causes the car to go into reduced power mode, or in some cases shut down without warning when the display shows about 5% - 6% battery remaining. In mid 2016, BMW released a software update, (version 16-07-501) that was supposed to correct the issue, but for some unknown reason it didn't work on all of the vehicles. They then sent out letters to the early buyers to inform that they need a software update. Re...

BMW i3 Deep Dive Book Now Available

Image
The BMW i3 is anything but the average car. Not only is it BMWs first electric offering, it's also the only car available today that has an optional auxiliary power unit; the range extender. It's really unlike any car that's ever been available, and unsurprisingly, it's often misunderstood. Most people really don't understand how the range extender works; what it can do, and what its limits are. This is, unfortunately even true for many of the client advisers selling them! So getting information on how the  car works out there is very important. BMW has produced a series of videos that help to explain the i3. While very helpful to new owners, they don't go into too much of the technical details that many people are also interested in. The book is filled with graphs on charging, range, power, consumption, etc Enter BMW i3 owner and engineer, David Bricknell. Earlier in the year, David published a book called "Electric Vehicles and the BMW i3" that was ...

Born Electric Guest Post: Meet Francis From Quebec

Image
The following is a guest post written by i3 owner Francis. I started the Born Electric guest post series back in 2014 to give the readers here a look into the lives of i3 owners around the world. To view past Born Electric guest posts, follow this link: Born Electric Hello, my name is Francis and I was born electric two years ago on November 13th, 2014. I opted for the BMW i3 with the range extender and I have been sharing my electric experience with my fellow Quebecers. I even did a lengthy post after my first year that covers pretty much everything. I'm also an owner that didn't code my i3 to change the range extender behavior in North America (some would call me crazy and yet I never had a problem with the REX). So why post again after my 1-year report ? Simply because this year was everything but usual. One question we all asked ourselves, what would happen if my driving habit changed, would my electric car still meet my needs? Ever thought about a family emergency? Would m...

The 2014 (60Ah) i3 REx vs The 2017 (94Ah) i3 REx

Image
255 miles of combined range? This range estimator is probable a little more optimistic than real life, but I definitely believe 200 miles is possible with the new 2017 i3 REx.  What a difference three years makes.  I was able to secure one of the first 2017 BMW i3 REx cars that made its way into US dealer inventory, compliments of Chris Chang, Sales Manager at BMW of Bloomfield here in New Jersey. The vehicle is mostly the same as my 2014 i3 REx, the one big exception is it has the new 94 Ah battery cells, which increase the overall battery capacity from 21.6 kWh to 33 kWh without increasing its physical size. That was necessary, since this isn't a redesigned i3, so the battery modules had to fit in the existing battery tray. The 2017 i3 REx in Fluid Black next to my "Moloughney Red" wrapped 2014 i3 REx As much as I wanted to check out the moonroof option that this car had (finally the moonroof is available in the US!), there is no denying the single most important improv...

27 Months & 56,000 Miles: 15,000 kWh of Electricity & 50 Gallons of Gas

Image
Over the course of 56,000 miles, I've driven on pure battery 96% of the time. My 2014 BMW i3 REx is now 27 months old, and the mileage on the odometer just recently surpassed 56,000 miles. I've needed a little over 15,000 kWh of electricity, and exactly 50 gallons of gas to power the vehicle thus far. That means I've driven on pure battery about 96% of the time, and managed an impressive overall gasoline consumption of 1,120 mpg. Normally I wouldn't highlight the gasoline use in my electric car; it's really not something most electric vehicle owners like to do. However, as many Chevrolet Volt owners can attest to, adding a range extender to a short range (under 100 mile AER) electric vehicle can expand its versatility immensely. While I haven't needed to use the REx often, there were plenty of times, especially in the winter, that I was very happy it was there. Back in early 2014, a few months before the North American i3 launch, I openly debated whether I'd...