DarrenG
Posts: 29
Joined: Wed Mar 25, 2015 5:11 am
Location: Hampshire, UK

Re: Switched 12 volt connection

Thu Jul 09, 2015 12:30 pm

I know this is an old thread but currently trying to wire in a BlackVue drive recorder and struggling to identify a suitable ignition controlled feed in the fusebox. Can anyone help identify a suitable 5A fused feed I can patch into?
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Jeffj
Posts: 252
Joined: Mon Sep 15, 2014 12:32 pm
Location: Boulder, CO

Re: Switched 12 volt connection

Fri Jul 10, 2015 6:09 am

There are a lot of posts (with pictures) in the Facebook group about putting in dashcams. Mary Demarest-Parran posts a lot there and has good info. She is also a moderator on The Circuit - the official BMW forum, so if you are anti-Facebook, you can post there and probably get an incredibly detailed response within an hour. She's extremely helpful with i3 matters.

DarrenG
Posts: 29
Joined: Wed Mar 25, 2015 5:11 am
Location: Hampshire, UK

Re: Switched 12 volt connection

Fri Jul 10, 2015 9:38 am

Thank you, I'm a member of the i3 group so will ask there.
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jelloslug
Posts: 226
Joined: Thu May 08, 2014 4:03 pm

Re: Switched 12 volt connection

Fri Jul 10, 2015 11:48 am

Did you look at the first pic in this thread?

DarrenG
Posts: 29
Joined: Wed Mar 25, 2015 5:11 am
Location: Hampshire, UK

Re: Switched 12 volt connection

Fri Jul 10, 2015 12:32 pm

Yes but the locations indicated are of an unknown type. Much simpler if I can simply tap into an existing fused location.
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crossie
Posts: 47
Joined: Sun Aug 24, 2014 4:53 am
Location: Ireland

Re: Switched 12 volt connection

Sun Jul 26, 2015 5:50 pm

jadnashuanh wrote:Keep in mind that the 12vdc battery isn't very large, and every watt going into keeping it charged so the computers will continue to run and your lights, fans, etc. will work takes away from your max range. I have no idea how big the DC-DC converter power supply in the i3 is, but there's a limit on how much power it can supply to the 12vdc battery.
It's 150W.

jadnashuanh
Posts: 5034
Joined: Thu May 22, 2014 2:07 pm
Location: Nashua, NH USA

Re: Switched 12 volt connection

Sun Jul 26, 2015 6:38 pm

Humm, 12.5A at 12vdc isn't a lot to keep the lights on, the fans blowing, the computers and screen lit and running, and the accessories powered up! Quite a bit different than my ICE which has a 200A alternator and a huge storage battery...I'd be careful about what I had plugged into my i3.
Jim DeBruycker
2011 535i x-drive GT, 2014 i3 BEV
Soon (hopefully!) A 2021 X5 45e will replace the above

DarrenG
Posts: 29
Joined: Wed Mar 25, 2015 5:11 am
Location: Hampshire, UK

Re: Switched 12 volt connection

Mon Jul 27, 2015 12:42 am

FWIW I used unused fuse location #51 in the end, it's ignition switched. Camera now installed and working AOK.
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crossie
Posts: 47
Joined: Sun Aug 24, 2014 4:53 am
Location: Ireland

Re: Switched 12 volt connection

Wed Jul 29, 2015 4:54 pm

DarrenG wrote:FWIW I used unused fuse location #51 in the end, it's ignition switched. Camera now installed and working AOK.
Where on the windscreen did you install the camera? I'm having trouble finding a stop that's out of the way and not blocked by the ACC camera.

DarrenG
Posts: 29
Joined: Wed Mar 25, 2015 5:11 am
Location: Hampshire, UK

Re: Switched 12 volt connection

Thu Jul 30, 2015 12:32 am

I don't have ACC on mine but installed it directly below the sensor shroud with the cable running inside it to keep it tidy. It's not visible from the driving seat.

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