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Old 08-23-2014, 07:42 PM   #1
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Default Air Conditioning Affecting Mileage?

Hi Everyone...Just got my new i3 yesterday. Glad to be here! I'm not sure if this is a UK or US-based Forum. Either way, if you'd help me out, I would appreciate.

I just took my car out in the Las Vegas heat and noticed that the moment I put the A/C on, my mileage potential dropped by 20-25 miles. Is this normal? Am I truly dealing with a car that will only give me 70-75 mile output on a full charge when it's 115 degrees here in July?

Thanks for your help!

-David
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Old 09-09-2014, 04:50 PM   #2
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I don't know if that particular drop in range is normal. Than would be about 30% and seems high. If your car is a day old your range estimate may also be reduced by the algorithm that calculates range from averaging recent driving experience. My Smart ED only loses 10% (about 6 miles when the AC is on. AC is more efficient than the heater so expect greater loss in winter from the heater.
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Old 09-22-2014, 09:31 AM   #3
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Hi
I suspect its reality.. Here in the Uk with the temperature around 3 celcius this AM range on my I3 dropped by about 10 miles.. even after "pre-conditioning" the car off the mains.. That would be my suggestion to maximise range.. pre-condition car off mains before setting off.. range will still be reduced but not by as much
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Old 04-06-2015, 06:51 AM   #4
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Get the charger software upgrade. That should fix the problem. AC in So Cal adjusts the range by maybe 5%. You will typically get 70 miles range in January at 60 degrees. YMMV. Keep at 65 on the freeway, use a light foot and use all opportunities to regenerate when slowing and you may do a tad better with the range.
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Old 04-06-2015, 06:53 AM   #5
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Further, I have found the range right after charging to be inaccurate. Over the life of the charge, the range remaining will become more accurate based on your driving style and conditions.
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