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by alohart
Tue Jul 09, 2019 11:20 pm
Forum: General / Main i3 Owners Forum
Topic: My i3 is Dead
Replies: 38
Views: 1491

Re: My i3 is Dead

Before modifying the solenoid lock, verify that DC fast charging would work with an unlocked plug. My understanding is that if a DC fast charger plug won't lock to the charging port, DC charging won't occur. On earlier i3's, a small thin screwdriver could push a stuck solenoid locking pin back into ...
by alohart
Mon Jul 08, 2019 11:02 pm
Forum: General / Main i3 Owners Forum
Topic: My i3 is Dead
Replies: 38
Views: 1491

Re: My i3 is Dead

BMW does not recommend using a jumper pack in lieu of a dead/failed 12V battery, so that is not an option for those who play by the book. I wonder whether this information is outdated based on the note here regarding 12 V battery charging: "If the integration level in the vehicle is up to and inclu...
by alohart
Mon Jul 08, 2019 7:56 am
Forum: General / Main i3 Owners Forum
Topic: My i3 is Dead
Replies: 38
Views: 1491

Re: My i3 is Dead

What does "roller mode" in the instrument panel's service menu do On BMW ICE vehicles it puts the car into roller dynamo mode, where the car doesn't try and downshift when the accelerator is floored while the car is on a dynamo for testing. Maybe on the i3 it shuts off regenerative braking during d...
by alohart
Sun Jul 07, 2019 11:22 pm
Forum: General / Main i3 Owners Forum
Topic: My i3 is Dead
Replies: 38
Views: 1491

Re: My i3 is Dead

Question: Would I have been able to disconnect the traction battery, then connect my portable 12v jump start battery to the 12v battery, and then be able to raise and lower the windows, and maybe even shift the car into neutral so that it could be moved? Seems like that should work. With the high-v...
by alohart
Sun Jul 07, 2019 12:21 pm
Forum: General / Main i3 Owners Forum
Topic: My i3 is Dead
Replies: 38
Views: 1491

Re: My i3 is Dead

A few e-commerce sites listing the BMW part number also include suggestions for battery tray, hold-down bracket, and terminal adapters. Don't know if they are available or even i3 parts, given the weird nature of web store suggestions. One i3 owner who installed the 40 Ah battery reported that the ...
by alohart
Tue Jul 02, 2019 2:23 am
Forum: General / Main i3 Owners Forum
Topic: Where'd My Battery Go???
Replies: 9
Views: 828

Re: Where'd My Battery Go???

Could the problem have been caused by the car keeping the 12V charger active from the traction batteries, trying to charge the failing 12V battery????? The DC-DC converter normally shuts off a few minutes after an i3 leaves the drive readiness state, so the 12 V battery won't continue being charged...
by alohart
Sat Jun 29, 2019 2:55 am
Forum: Technical BMW i3 Discussions
Topic: Disappointing tire alignment
Replies: 7
Views: 483

Re: Disappointing tire alignment

vreihen wrote:
Fri Jun 28, 2019 6:40 pm
I still have not located the official BMW alignment specs in Google.
This manual includes front and rear alignment specs plus a lot more.
by alohart
Fri Jun 28, 2019 3:16 am
Forum: General / Main i3 Owners Forum
Topic: Limiting total charge % - hidden feature?
Replies: 17
Views: 989

Re: Limiting total charge % - hidden feature?

So which is actually worse for the longevity of the battery? A. Charging every night but only to 80% of capacity. B. Charging to 100% but only every couple of days? Li-ion battery cell electrochemistry degrades more slowly at lower charge levels, so "A" should statistically be preferable. Is reduci...
by alohart
Fri Jun 28, 2019 3:09 am
Forum: Technical BMW i3 Discussions
Topic: Air conditioning failed
Replies: 43
Views: 2002

Re: Air conditioning failed

Update. Two weeks later and the AC went out again. This time making clicking noises (in the rear, where the compressor is located). Dealer said the compressor self-destructed, throwing metal fillings throughout the refrigerant lines, requiring all of the AC components to be replaced. Total repair e...

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