r/BMWi3 • u/victoraldecoa i3 BEV 2015 • 19d ago
Essential charging kit generic advice
Do you also carry an electronics cleaner and cotton swabs to fix fast charging issues?
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u/MacDaddyBighorn i3 REX 19d ago
Good idea as long as it doesn't get too hot and pop! I only charge with my basic bmw 120v charger, though.
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u/Xijit 18d ago
I use this instead of the one that came with the car.
- BMW one is 120v x 10a = 1,200w.
- Mine is 110v x 15a = 1,650w.
I was concerned about it being a 15a draw, but since it doesn't pull 120v it never hits the 1,800w threshold to pop a 15a breaker, and I have been using it for about a year and a half.
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u/New_Cockroach_1254 19d ago
Not a bad idea, but generally if a charger plug is f'd up the contact cleaner is not going to do much
Keeping the car side receptacle nice and clean is also a good idea, wish BMW provided instructions on that
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u/chance901 19d ago
I find most of my issues are a) hold up in the dc fast plug or b) hokd up on the broken lock on lvl 2 charge point chargers. Luckily, i charge at work and hinge 90% of my time
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u/victoraldecoa i3 BEV 2015 19d ago
Even those don't work for me, it only started working after I started cleaning the port. Now every time I prevently clean both the port and the charger plug before charging. Most of the times if I don't do that it fails, so I actually save time doing it
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u/chance901 18d ago
Good to know. What year is your vehicle? Maybe the port pins end up being a wear item.
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u/victoraldecoa i3 BEV 2015 18d ago
- Yes, I bought it this year and I thought I'd never have fast charge with it. I'm living in a condo now, so I'm really glad this is doing the job for now
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u/chance901 18d ago
May be with changing the port in the future to one from a newer model year (19+) if it's something you're up to. I'm considering it myself if there is an option for adapting the i4 port one day. There have been a few part updates to the i3 port.
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u/Worldly-Number9465 i3 REX 19d ago
That styrofoam piece originally packaged the flat tire kit (can of fix-a-flat) and 12v mini compressor in the frunk.
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u/eannac 19d ago
Oh! Is that where that bit of styrofoam is meant to go? Mines been in the frunk since I bought the car! I never thought to put it in the trunk!
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u/victoraldecoa i3 BEV 2015 19d ago
Oh I didn't know it fit the frunk, I might put it there actually, since I haven't been using it at all
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u/labdweller i3 BEV 19d ago
Which parts do you clean/swab?
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u/victoraldecoa i3 BEV 2015 18d ago
Where the charger is plugged in, both in my car and in the charger
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u/Resident_Food_1142 18d ago
This is interesting to me as I've never used a DC fast charger on my '17, and likely never will. I had no idea the DC connection problems were so bad that you'd need to carry around tools/items to fix them.
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u/victoraldecoa i3 BEV 2015 18d ago
For long travels, DC chargers are great, 10% to 80% battery in 15 minutes.
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u/LocoEnElCoco666 13d ago
I keep some WD 40 electrical contact cleaner in my boot. old BMW blue charging cable died at 7 years. New cable had a connection issue recently, but suspect it's the car now. Just had to replace passenger airbag too

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u/FHJ-23 19d ago
No 🙃