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BMW i3 / i8 / ActiveE
Are you excited about the upcoming BMW i3 or i8? Interested in learning more about the BMW ActiveE? This is the place for you!

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  #1  
Old 08-21-2014, 06:55 PM
mattycb mattycb is offline
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Location: Naperville, IL
 
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DC charging at home?

Did a quick search and didn't see this question answered elsewhere. If I missed it, my apologies.

Is there any option to install a DC charger at home? There are no public DC charging stations in my general vicinity (outside Chicago). I know the level 2 charging stations can be installed at home but I don't see anything about DC from a cursory Google search.

Any ideas?
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  #2  
Old 08-22-2014, 02:58 PM
Boatguy54 Boatguy54 is offline
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Location: San Francisco
 
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I suspect it would be fairly expensive as you'd need to have the rectifiers that convert AC to DC in your home charger and those generate some heat which must be dissipated. A regular EVSE is just a glorified switch with some logic to manage the control signals between the car and the EVSE. A DC charger is actually transforming the electricity.

For an i3 I think the advantages would be minimal, but maybe I don't understand your need.

What prompts the interest in a DC charger?
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  #3  
Old 08-22-2014, 03:53 PM
Boatguy54 Boatguy54 is offline
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Here is a DC charger for home use: Electric Motor Werks
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  #4  
Old 08-22-2014, 11:06 PM
mattycb mattycb is offline
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Location: Naperville, IL
 
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Quote:
Originally Posted by Boatguy54 View Post
Here is a DC charger for home use: Electric Motor Werks
Thanks Boatguy.

The reason I asked is that the i3 charges to about 80% from empty in 30 mins on a DC charge (provided the i3 is equipped with the DC fast charge feature which mine is).

Thanks again for the link. I'll check it out.

P.S. You're blessed because I believe California is one of the only states in which BMW is rolling out DC charging stations.
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Last edited by mattycb; 08-22-2014 at 11:08 PM. Reason: I forgot to say something
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  #5  
Old 08-23-2014, 07:13 AM
ktagly2 ktagly2 is offline
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Location: Worthington, OH
 
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Be careful, BMW has hinted to the fact that regularly charging on a DC Fast Charge could damage the battery. Although I'm sure if you're leasing that won't matter...
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Old 08-23-2014, 08:20 AM
Boatguy54 Boatguy54 is offline
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Quote:
Originally Posted by ktagly2 View Post
Be careful, BMW has hinted to the fact that regularly charging on a DC Fast Charge could damage the battery. Although I'm sure if you're leasing that won't matter...
Could you please direct us to where/when they've made those comments?
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  #7  
Old 08-27-2014, 09:27 AM
jimmsters jimmsters is offline
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When BMW gets more in North America, it will be a $6,500 option not including installation.


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Old 08-27-2014, 12:21 PM
Boatguy54 Boatguy54 is offline
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Quote:
Originally Posted by jimmsters View Post
When BMW gets more in North America, it will be a $6,500 option not including installation.
Sorry I'm missing the context on this. What will be a $6,500 option?
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  #9  
Old 09-01-2014, 04:34 PM
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bimmer_fam bimmer_fam is offline
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Just curious, why would you need DC fast charging at home? It's just not practical from infrastructure cost perspective IMO (besides the cost of the actual station, you most likely would need new service to your residence to provide the Amps necessary to use the DC fast charger). L2 home/work charger should do the trick in 90% of scenarios, plus you can cover another good percentage with public stations, and don't you get a "rental" ICE powered car use from BMW with i3 deal?
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