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Showing posts with the label state of charge

Are Megacities Ready For The Megacity Car?

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During the i3's development, BMW often used a large city as a backdrop for the concept i3 photo shoots.  Megacity: A metropolitan area with a total population in excess of ten million people. BMW has all along told us that the i3 was designed for urban transport, a glimpse at the future of personal mobility in the megacities of the world. Heck, the code name for it was even "The Megacity Car."  However now that the i3 has been available for over a year, BMW is realizing that the Megacity car is selling better outside the city limits. I've never really accepted that the i3 would do well in the megacity markets, at least in the US, and I've voiced that opinion on many occasions. Having lived with electric cars for the past six years, I've had the experience of driving and charging in the both suburbs and in the city, so I'm intimately aware of the challenges of public charging. I live about 50 miles from New York City and go there frequently. Driving my ele...

SF Bay to Tahoe in an i3 REx: What was learned?

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Donner Summit is the highest point along Interstate 80 in California at 7,228 feet elevation. Last week we heard from i3 REx owner John Higham in a post he wrote which detailed his thoughts on the i3's range extender restrictions for the North American market. John certainly didn't mince words and offered his reasoning why he believes the range extender on the i3 should have its artificial restrictions (which are in place to satisfy CARB), relaxed a bit. John also promised to do a road trip which would take him from the San Francisco Bay area up to the 7,228ft Donner Summit in Lake Tahoe and report on the range extender's performance under these strenuous conditions. Below are his findings. SF Bay to Tahoe by the Numbers, Part 2 Nailed it.  Well, nearly. In Part 1 of this post about all things REx, I declared that a US spec BMW i3 REx could not make the popular weekend getaway of Lake Tahoe from the San Francisco Bay area without being speed limited within 15 miles of Sacr...

BMW Working on a REx Upgrade to Increase Performance

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The 650cc twin cylinder engine used in the i3 is borrowed from BMW's Motorrad division and modified for the REx From the first word that the North American version of the i3 REx would have restrictions not found on its European counterpart, i3 enthusiasts and customers in the US and Canada have wondered how well it would work under strenuous driving conditions. In fact, it is by far the topic I now get the most correspondence over. I have probably received over 100 emails through this blog from followers that want to know how well the range extender works and how capable it is. People want to know things like what speed the car can maintain in charge sustaining mode and for how many miles can the car maintain highway speeds on a certain percentage upgrade, and so on. I even have had people ask me if I could conduct specific tests with my car to confirm it can do what they need it to. The reason being is the 34hp REx engine can only deliver about 25kWs (although some reports say BMW...

Born Electric Guest Blogger: Meet Harold From California

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My name is Harold and I was born electric on August 19 th , 2014.   There are two parts to my story here.   The first is about my path to selecting and buying the i3,   and the second is about my experiences owning and driving the i3. PART 1:    “IF YOU’RE NOT PART OF THE SOLUTION,   THEN YOU ARE PART OF THE PROBLEM.” When it comes to global warming,   I’m embarrassed to say that for far too long my wife and I were part of the problem.   We’re a two car family,   and over the years we’ve driven a series of big, luxury, premium fuel guzzlers.   As recently as 2007 we each had one of the full-size Range Rovers. Yikes, and yuck! I gradually realized this was not tenable,   but I found it very, very hard to give up the comfort (I’m 6’3 and don’t fit in most cars) and sportiness of a big luxury SUV. The very thought of shoehorning myself into the ugly and painfully boring Prius hybrid was enough to make me puke. So my first tentativ...