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by JLB2
Mon Feb 11, 2019 8:54 am
Forum: Problems / Troubleshooting
Topic: Battery capacity issue
Replies: 35
Views: 5584

Re: Battery capacity issue

Good points regarding Chargepoint. This further proves that my battery is degrading faster. My 2014 i3 is now 5 years old with about 48k miles driven. That's about 80% of original capacity. It degraded by about 5% per year in the last 3 years. In 2 years, it'll probably be down to 70%. I just hope B...
by JLB2
Fri Feb 08, 2019 1:24 pm
Forum: Problems / Troubleshooting
Topic: Battery capacity issue
Replies: 35
Views: 5584

Re: Battery capacity issue

My home charger (Chargepoint) gives me the amount of KWH's that was transferred to my i3 during a charging session. Starting at an indicated range of 5 miles, Chargepoint said that about 15.5 kwh's were required to charge my car to 100%. That about matches what kappa.max indicates. I suppose 2nd sou...
by JLB2
Fri Jan 25, 2019 12:08 pm
Forum: Problems / Troubleshooting
Topic: Battery capacity issue
Replies: 35
Views: 5584

Re: Battery capacity issue

Bob - The capacity dropped to 95% from 2014 to 2017 then to 80% from 2017 to 2018. I figure it'll drop to 70% by the end of 2019 or early 2020. I'm just wondering what I have to do to get BMW to honor the warranty. They seem to be fighting it. As more and more 2014's get older, I'm sure there will b...
by JLB2
Fri Jan 25, 2019 11:54 am
Forum: Problems / Troubleshooting
Topic: Battery capacity issue
Replies: 35
Views: 5584

Re: Battery capacity issue

Right, but I haven't seen a 71 mile range since 2017. My range at 100% charge has indicated between 52 miles and 65 miles since last Summer. Its been at about 52 and 61 miles this winter. Degradation seems to be accelerating. I'm wondering at what point I can take it to BMW to have the battery repla...
by JLB2
Fri Jan 25, 2019 10:00 am
Forum: Technical BMW i3 Discussions
Topic: Battery Replacement Under Warranty
Replies: 9
Views: 3121

Battery Replacement Under Warranty

Does anyone know if BMW has actually replaced an i3 battery under warranty because capacity degraded below 70%? If so, can you share any links to this information? My 2014 i3 indicates a range of about 61 miles at 100%. Kappa Max indicates about 15kwh. Car is driven about 48 miles/day in N. Californ...
by JLB2
Fri Jan 25, 2019 9:56 am
Forum: Problems / Troubleshooting
Topic: Battery capacity issue
Replies: 35
Views: 5584

Re: Battery capacity issue

Does anyone know if BMW has actually replaced an i3 battery under warranty because capacity degraded below 70%? If so, can you share any links to this information? My 2014 i3 indicates a range of about 61 miles at 100%. Kappa Max indicates about 15kwh. Car is driven about 48 miles/day in N. Californ...

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