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      03-16-2019, 05:36 PM   #1
StefanJ
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Trunk LED light question

Howdy,

I have a question about the interior lighting system.
I own a BMW X1 F48 / 2016, which has in the trunk only one led in the upper area.
I would like to know if I can mount a second led lamp, identical to the one already existing, in parallel with it.
Could it affect the electrical installation or the CAN BUS in any way?

Stefan
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      03-17-2019, 10:10 AM   #2
Pewters
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100% agree for a decent size trunk 1 light is poor.
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      03-17-2019, 01:22 PM   #3
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I would think that you could run a 2-conductor cable from one side to the other in the luggage compartment and connect it in parallel with the existing LED lamp. The existing light is activated by the Terminal 30B Relay that is monitored for faults by the BCD. Only when the Terminal 30B relay fails will a fault code be sent, not when or if the LED bulb fails. So, in my unqualified opinion, you should be good to add another light without fear of throwing a code as long as you don't exceed the circuit's allowable current draw (5A).
https://www.newtis.info/tisv2/a/en/f...30b/1VnZ4YinVm
https://www.newtis.info/tisv2/a/en/f...light/CgIJeFq5
https://www.newtis.info/tisv2/a/en/f...use/1VnXSwV1Yb
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      03-17-2019, 02:29 PM   #4
StefanJ
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Thank you for your reply and for your detailed explanations .

I'll get back here with a feedback and pictures after finishing this upgrade.

Regards,
Stefan
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      03-17-2019, 07:13 PM   #5
Ridin'Dirty
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I think this thumbnail is the circuit that you are interested in (left half of the circuit):
https://www.newtis.info/tisv2/a/en/f...ing/1VnXpihkKN
Be sure to verify the color code of the wires before splicing. They may not be the same for your country.
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      03-26-2019, 04:57 PM   #6
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Quote:
Originally Posted by Ridin'Dirty View Post
I would think that you could run a 2-conductor cable from one side to the other in the luggage compartment and connect it in parallel with the existing LED lamp. The existing light is activated by the Terminal 30B Relay that is monitored for faults by the BCD. Only when the Terminal 30B relay fails will a fault code be sent, not when or if the LED bulb fails. So, in my unqualified opinion, you should be good to add another light without fear of throwing a code as long as you don't exceed the circuit's allowable current draw (5A).
https://www.newtis.info/tisv2/a/en/f...30b/1VnZ4YinVm
https://www.newtis.info/tisv2/a/en/f...light/CgIJeFq5
https://www.newtis.info/tisv2/a/en/f...use/1VnXSwV1Yb
Appreciate the post and am sure you are correct, the circuit has a wide voltage range and was designed for bulb or LED. Having two LED’s provided you do not go crazy with wattage should be fine. I would also make very sure to protect the cable run and use good auto insulation, a serious short might damage the module. It is surprising what vibration and bare metal edges can do to plastic.
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      05-05-2019, 09:18 AM   #7
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I finished the 2-nd luggage trunk light retrofit and I get back with an update, as promised.

For a better visibility of the main trunk and for the under floor space as well, I chose to mount the light on the trunk door. The result is excellent, producing an uniform light all over the trunk.

The time for the whole operation: 1 full day.
Difficulty: medium.
Necessary knowledge: dismantling way and sequence of the trims, electrical scheme (thank to Ridin'Dirty).
Tools: plastic levers for the trims, T25 and T40 star screwdriver, cutter, soldering gun, electrical tape, car tape for wires.
Skills: passion for cars and ... a lot of patience to do a proper work.

If you need more info, just let me know.
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      05-07-2019, 06:37 PM   #8
Ridin'Dirty
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Excellent workmanship, photos and a location that I hadn't considered. Good job!
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      05-07-2019, 11:27 PM   #9
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Quote:
Originally Posted by Ridin'Dirty View Post
Excellent workmanship, photos and a location that I hadn't considered. Good job!
Thank you for your appreciation.
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      03-21-2022, 07:28 AM   #10
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Great work, OP. Thanks for the photos and the manual. One small light is definitely not enough for such a big trunk.
Can someone suggest how many lights I will need for an RV? I was planning to install led strip light inside there. It doesn’t consume much electricity but is bright enough to save me from breaking my pinky toe.
Or maybe I just like shiny things that can change the color when I want
PS. If I had a car with such a trunk, I’d install some strip LEDs instead of one bright light. But it’s a matter of taste, I suppose.

Last edited by Xarton; 03-28-2022 at 12:34 PM..
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      03-22-2022, 10:14 AM   #11
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Not as clean .. but on both our cars I have a large LED light bar.. I just zip tied it to the trunk cover and ran wires to the LED on the side of the trunk. Super bright and easy. Only downside is to remember to disconnect the leads (I used quick connect pigtails) when/if you ever need to take the trunk cover off.
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      10-27-2022, 10:48 AM   #12
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I believe you can do that in this specific car model. You can replace the lamp on the back with led smart light bulbs, so you don't need to connect wires. You will need the recharger and a proper-sized bulb. I recommend you look for a model from the Vont brand, and they have a lot of good models, so you will be able to find a proper bulb model that will fit your needs. The installation process would be easy, so I don't think you need any specific help. Search for some guides on youtube, but if you have any problems, feel free to reach me in private messages.

Last edited by feedsqt; 11-02-2022 at 10:28 AM..
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      12-30-2022, 05:15 PM   #13
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Additional Cargo LED Light!

I have wanted to do the very same thing. Do you have a link for the light you used?
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