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by JohnWasser
Mon Nov 15, 2021 8:05 am
Forum: BMW i3 Rex Specific Discussions
Topic: New REX owner
Replies: 5
Views: 359

Re: New REX owner

The REX should not only stop when you park the car, it should stop as soon as the car comes to a stop at, for example, a stop sign or traffic light. I think you might be hearing the cooling fan. You can run an "emissions test cycle" if you want to make sure the REX is in good operating condition bef...
by JohnWasser
Mon Aug 09, 2021 7:29 am
Forum: General / Main i3 Owners Forum
Topic: How to display charging rate?
Replies: 6
Views: 1941

Re: How to display charging rate?

If you use a ChargePoint charger, the ChargePoint app will show a graph of charge rate (in kW) over time. It's not a great chart, with only three marked levels on the vertical scale, but you can probably read within a few kW.
by JohnWasser
Wed Jun 23, 2021 7:10 am
Forum: Off Topic
Topic: Tou calculation help.
Replies: 5
Views: 1139

Re: Tou calculation help.

eNate wrote:
Fri Jun 18, 2021 9:31 am
My usage is much more spikey so higher tiers tended to hit me on certain days but not most days.
So a much larger portion of your charging was at the higher tier rate. That means your savings by switching to TOU would be even greater.
by JohnWasser
Fri Jun 18, 2021 7:21 am
Forum: Problems / Troubleshooting
Topic: My i3 caught on fire!
Replies: 10
Views: 5238

Re: My i3 caught on fire!

I wonder why the REX kicked on. Is it something that happens automatically after an oil change? Was it due for a maintenance run? Was the battery below 6.5%?
by JohnWasser
Fri Jun 18, 2021 7:06 am
Forum: Buying the BMW i3
Topic: Visual differences between 33kw & 42kw i3
Replies: 3
Views: 1150

Re: Visual differences between 33kw & 42kw i3

Don't they give the battery capacity in Amp Hours like the BMW literature? That would be 60 Ah, 94 Ah, or 120 Ah. Did they make a 2018 model with a 120 Ah battery? Did they make a 2019 model with a 94 Ah battery? I thought that 2017 was the only model year where you could get two different sizes of ...
by JohnWasser
Fri Jun 18, 2021 6:28 am
Forum: Off Topic
Topic: Tou calculation help.
Replies: 5
Views: 1139

Re: Tou calculation help.

"I use about 1300-1500 kWh per month." So roughly 47/day "I do about 250- 350kWh worth of EV battery recharges weekly." So roughly 43/day. Non-TOD: High Season: 0.44 + 10*0.1620 + 10*0.2008 + 27*0.2398 = 0.44 + 1.620 + 2.008 + 6.4746 = $10.5426/day Low Season: 0.44 + 10*0.1358 + 10*0.1682 + 27*0.207...
by JohnWasser
Fri May 28, 2021 12:56 pm
Forum: Problems / Troubleshooting
Topic: Delphi Charger Blinking Red Only on "Charging Fault"
Replies: 3
Views: 1606

Re: Delphi Charger Blinking Red Only on "Charging Fault"

It won’t be much help but I bought a ‘defective’ charger from eBay with the same symptom. I wanted one I cou.d take apart. After opening it, unplugging everything, and putting it back together a few times, THE FAULT WENT AWAY. It just powered up normally. To open it up I needed a “Security Star Torx...
by JohnWasser
Sat May 15, 2021 9:47 am
Forum: General / Main i3 Owners Forum
Topic: Road trip with DC charging - no REx
Replies: 2
Views: 1043

Re: Road trip with DC charging - no REx

I'd make sure I had data on Level 2 chargers both before and after the target DCFC. As you get closer, the amount of the remaining charge will become more definite. If the car says that you won't make it, just spend an hour at a Level 2 charger on the way. Maybe you can line up one with a place to d...
by JohnWasser
Wed Mar 31, 2021 9:37 am
Forum: General / Main i3 Owners Forum
Topic: Level 3 charging past 80%
Replies: 4
Views: 1830

Re: Level 3 charging past 80%

On my 2017 REx the charging rate seems to start dropping at around 95%. That's when I usually stop charging, especially when I'm at a charger where I pay by the minute!
by JohnWasser
Mon Mar 22, 2021 6:27 am
Forum: BMW i3 Rex Specific Discussions
Topic: Road Tax Charge (UK)
Replies: 7
Views: 2568

Re: Road Tax Charge (UK)

My guess is that taxes on petrol pay for road maintenance. Since your car doesn't use petrol, they have to get the taxes out of you a different way.

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