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Old 12-13-2020, 11:35 AM   #11 (permalink)
Master EcoModder
Join Date: Dec 2008
Location: Eugene, OR, USA
Posts: 312

Lord Vader - '15 BMW i3 REx
90 day: 35.06 mpg (US)
Thanks: 67
Thanked 138 Times in 102 Posts
Personally, I see disabling the regen as potentially sacrificing energy. As we know, driving is very dynamic, and having to brake is very often unintentional for anybody with a focus on hypermiling - but unavoidable in entirety.

I try to just decelerate my i3 with the flow meter showing net zero power, and the car can glide an amazingly long distance that way, but as reality creeps in, eventually I need to scrub that energy, and losing it to the brakes is the last option I exercise.

I can turn off regeneration through a hidden 'roller mode' menu option, but I think the tradeoff in unplanned braking eliminates the benefit I can get from it.

2015 BMW i3 REx
2011 Ford Flex SEL AWD
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