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BMW i3 I01 (2014 - Current)
The BMW i3 and BMW i8 are the first two cars launch under BMW's new sub brand BMW i. The i3 is an all carbon fiber, all electric vehicle meant for urban mobility.

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Old 03-15-2018, 04:00 PM
bcotter bcotter is offline
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Police/public safety light bars for i3?

My department has been using i3s for non-patrol functions, but would like to start using them for things like accident response, perimeter control, etc. The cars are on lease so we have very few options for permanent changes to the vehicles. Does anyone have recommendations on roof mounted light bars for the i3 in the US?

Thanks

Bill
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Old 03-16-2018, 04:52 PM
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These people might be able to help https://www.seasucker.com
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Old 03-16-2018, 10:52 PM
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Thanks, will check them out.
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Old 03-18-2018, 09:20 AM
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Google German electric police cars /images. Munich PD has a fleet light bars nd all. Might be a field trip in it for you. Running a light bar and siren might affect your rang. BMW North America might help.
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Old 03-19-2018, 12:17 AM
bcotter bcotter is offline
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Thanks. I wouldn't mind a field trip but the budget guys would kill me. We are expecting range issues. I'll be the guinea pig and the captain has told me to make sure I have my auto club card handy if I need a tow back to the station!

I did put a request in to BMW North America and they said they are researching it. The first car delivered had a light bar on it but no one knows if it was operational or just for the photo op, but hopefully we'll find out soon. I'll post news as it develops.

Bill
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Old 03-19-2018, 10:02 PM
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Here’s munich pd
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Old 01-22-2019, 09:42 AM
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If it serves your purposes, consider putting the light bar in the front of the vehicle around the grill area. There's a guy on youtube who did that with some instructions on how he did it. Of course this won't be visible from the rear or side of the car if that's something that you absolutely need to have. Just a thought.
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Old 01-22-2019, 10:43 PM
bcotter bcotter is offline
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Thanks for the suggestion

We do need more visibility for traffic collision work, but thanks for the suggestion. Still looking for a solution!
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Old 01-23-2019, 03:17 AM
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About vehicle range diminished by LED lights load; range will be minimally diminished by lights. Propulsion power is measured often in horsepower, one horsepower is 745 Watts.

I do not believe that the vehicle propulsion battery is a low voltage 12 Volt battery that the light bar will need. IIRC iCars are dual voltage systems with a voltage separator device, maybe a DC / DC converter.
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Old 01-23-2019, 10:59 PM
bcotter bcotter is offline
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The garage folks found a light bar but they say it comes loose at 70 MPH. Not that these get driven at that speed very often (or very far!) but we're trying to find something more reliable in case one does go at that speed.
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Old 01-23-2019, 11:03 PM
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Here's one of the demo cars that had a light bar.

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Old 01-26-2019, 05:57 PM
jadnashuanh jadnashuanh is offline
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SOme of the 3M industrial double-stick tapes are VERY strong. Now, getting things off at the end of the lease might be an issue, but assuming you have enough area, it should easily hold things in traffic at speed. A lot of the trim is held on with it. What may be as hard would be figuring out how to get power up there without putting holes in things. Might be enough room through the hatch's gasket, but you'd want to make sure it didn't leak.

The 12vdc battery only will get charged when the car is plugged into an EVSE or it is in READY state. FWIW, the car goes out of READY state when you open the driver's door. Now, you could exit via the passenger's side, but if you've clogged up the front with radios, or use the removable cup holders, you won't find sliding over there easy.

Any of those light bars have a battery backup built in? That might solve part of the power problem. The 12vdc battery isn't very large since it doesn't need to turn a starter motor and the engine.
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