speedtechlights
Posts: 5
Joined: Mon Jul 04, 2016 1:15 am
Location: 218 Trademark Dr Buda, TX 78610
Contact: Website

Re: BMW i3

Thu Jul 14, 2016 1:22 am

If the i3 price would be in the range of 30-35K i'll seriously take into consideration buying one :D

triangles
Posts: 1118
Joined: Tue Aug 16, 2011 11:40 am
Location: Toledo, Ohio

Re: BMW i3

Thu Jul 14, 2016 11:21 am

hybridbear wrote:On Sunday I took the i3 for a scenic drive. I want to duplicate this drive in the FFE one of these days to see its Wh/mi for this drive. The drive was mostly at 40-50 MPH with minimal stops, cruising near Lake Minnetonka and that area. The i3 managed 60 miles at 5.5 mi/kWh (182 Wh/mi). I bet the FFE would be around 190-200 Wh/mi for this same drive.

Monday I drove the i3 to work in the morning & then back to the dealership around lunchtime. This was freeway driving almost the entire way and resulted in 19 miles at 4.6 mi/kWh (217 Wh/mi). The FFE ran about 225-230 Wh/mi on this same route.
I've always been amazed by the Wh/mi you get!!! Around town ie. 45mph or less I get about your 225-230 Wh/mi freeway power consumption. On the freeway I get no less than 260-280Wh/mi And that's all without using climate control.
2014 Blue Candy FFE
http://www.fuelly.com/car/ford/focus/2014/triangles/303811 (since this forum doesn't allow BBcode in sigs)

WattsUp
Posts: 2113
Joined: Mon Jan 07, 2013 2:58 am
Location: SF Bay Area, CA

Re: BMW i3

Thu Jul 14, 2016 8:50 pm

triangles wrote:45mph or less I get about your 225-230 Wh/mi freeway power consumption. On the freeway I get no less than 260-280Wh/mi And that's all without using climate control.
Do you run your tires at 32 PSI (normal for the gas Focus) or 38 PSI (as specified for the Focus Electric)?

You have to be careful if you take your car to some tire place (or even your Ford dealer) as they may not properly inflate your tires according to the FFE specs, and instead assume the gasmobile specs.

Personally, I run my tires a little higher than 38 PSI for even lower rolling resistance.
2013 FFE, Platinum White, Delivered January 2013
2017 MS, Midnight Silver Metallic, Delivered February 2017
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triangles
Posts: 1118
Joined: Tue Aug 16, 2011 11:40 am
Location: Toledo, Ohio

Re: BMW i3

Fri Jul 15, 2016 11:44 am

WattsUp wrote:Do you run your tires at 32 PSI (normal for the gas Focus) or 38 PSI (as specified for the Focus Electric)?
I keep them at 44 - 45 psi.
2014 Blue Candy FFE
http://www.fuelly.com/car/ford/focus/2014/triangles/303811 (since this forum doesn't allow BBcode in sigs)

hybridbear
Posts: 1425
Joined: Mon Apr 07, 2014 12:46 pm
Location: Minneapolis

Re: BMW i3

Mon Jul 18, 2016 8:20 am

triangles wrote:
hybridbear wrote:On Sunday I took the i3 for a scenic drive. I want to duplicate this drive in the FFE one of these days to see its Wh/mi for this drive. The drive was mostly at 40-50 MPH with minimal stops, cruising near Lake Minnetonka and that area. The i3 managed 60 miles at 5.5 mi/kWh (182 Wh/mi). I bet the FFE would be around 190-200 Wh/mi for this same drive.

Monday I drove the i3 to work in the morning & then back to the dealership around lunchtime. This was freeway driving almost the entire way and resulted in 19 miles at 4.6 mi/kWh (217 Wh/mi). The FFE ran about 225-230 Wh/mi on this same route.
I've always been amazed by the Wh/mi you get!!! Around town ie. 45mph or less I get about your 225-230 Wh/mi freeway power consumption. On the freeway I get no less than 260-280Wh/mi And that's all without using climate control.
Haha! Thanks, I think! ;)

I also have my tires inflated to about 44 PSI. I also drive very gently. My Lifetime Brake score over about 22,000 miles is 99%. When MFM actually works to transmit the Driving Score to the Trip Log it usually shows 99 or 100 on city trips and around 95 on freeway trips. I accelerate gently, usually less than 25 kW of power and I do lots of coasting in Neutral when I know that I will need to be stopping ahead but the stop is a long way off.

My Lifetime Wh/mi over 24 months and 21,000 miles (including 2 MN winters) is 238 Wh/mi.

I test drove a Model S last week, and ordered one to replace the FFE, and I found that it will use about 15% more Wh per mile compared to the FFE. A city drive that in the FFE is typically around 180 Wh/mi was 206 Wh/mi in the Tesla. A mixed highway/city drive that always uses 1.3 kWh according to the FFE used 1.4 kWh in the Tesla. The Tesla should be closer to the FFE on the freeway and significantly less efficient in city driving based on the EPA MPGe ratings.
2013 Ford Focus Electric - Ice Storm - leased through 8/15/16
Replaced by a 2016 Tesla Model S 60D

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