E30 318is Custom LED Tails (Videos)

Author Topic: E30 318is Custom LED Tails (Videos)  (Read 8853 times)

Selfish

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E30 318is Custom LED Tails (Videos)
« Reply #15 on: November 04, 2009, 10:59:30 AM »


Dude...your GF/wife helps you working with the car? otherwise please clip those nails! :eek:Looord have mercy !! LOL !

Anyway, if I´m not wrong you can get a bunch (like 50 of them) of LED's off eBay for $10 shipped. You can probably get the "breadboard" there too, if not, there´s always radioshack. I´ll stand corrected if I´m wrong but I think all there is to it is, you have to do the math and add the individual voltages of the LED´s you will be soldering in series, up to 12V, and if more sets of LED´s are needed (which of course you will) all "sets of 12V" are soldered in parallel. If the added voltage of your sets exceeds 12V, they will be dim. If it´s lower than 12V, you need to use a resistor to lower the voltage to the same "amount" to prevent overheating and/or premature failure of your LED´s

Selfish

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« Reply #16 on: November 04, 2009, 11:05:43 AM »
I thought this thread was dead. Glad it´s not, your tails look great!
did you use white or red LED´s?
how did you secure the breadbords to the housing? crazy glue?

AcSchnitzer318is

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E30 318is Custom LED Tails (Videos)
« Reply #17 on: November 06, 2009, 10:50:52 AM »
Quote from: monty23psk;80911
Wow....I really want to learn to do this. I can do soldering and and the fabrication. I just need to learn the electronics to know what parts I need and things like that. This would be a project once I finish the exterior of my car.  Around how much do you think per side with all the parts involved?


It cost me around $90 per side.  There are over 150 35000 mcd LEDs per side.

Quote from: Selfish;80915


Dude...your GF/wife helps you working with the car? otherwise please clip those nails! :eek:Looord have mercy !! LOL !

Anyway, if I´m not wrong you can get a bunch (like 50 of them) of LED's off eBay for $10 shipped. You can probably get the "breadboard" there too, if not, there´s always radioshack. I´ll stand corrected if I´m wrong but I think all there is to it is, you have to do the math and add the individual voltages of the LED´s you will be soldering in series, up to 12V, and if more sets of LED´s are needed (which of course you will) all "sets of 12V" are soldered in parallel. If the added voltage of your sets exceeds 12V, they will be dim. If it´s lower than 12V, you need to use a resistor to lower the voltage to the same "amount" to prevent overheating and/or premature failure of your LED´s


LOL she does help me alot, but those claws are mine.  I cut all my nails but my thumb nails.  I do alot of mobile electronics work and long thumb nails really help out.  Your description of how to is correct, though you can go slightly higher than 12v if you want.  I used strings of 6 LEDs with a small resistor on each string.

Quote from: Selfish;80916
I thought this thread was dead. Glad it´s not, your tails look great!
did you use white or red LED´s?
how did you secure the breadbords to the housing? crazy glue?


I used red and yellow LEDs.  Clear did not give me the color I wanted.  I used hot glue to mount the boards and to seal the housings again.  Has held up well even in 110 degree heat, but if I do another set I am going to use epoxy to mount and seal everything.

PS: For anyone who wants to give this or other LED projects a go... here is a VERY handy tool.  It will even design your array for you.

LED Calculator/Array Designer


"A good memory for quotes combined with a poor memory for attribution can lead to a false sense of originality."

monty23psk

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« Reply #18 on: November 06, 2009, 12:20:36 PM »
Thanks. Will eventually take up on this project. Will start with the license plate lights. Have an idea to save me time. Will see.
Alex  88 m5 | 91 318is | 19 Subaru Ascent
BMW Tool Rentals & Fender Roller

AcSchnitzer318is

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« Reply #19 on: November 06, 2009, 06:08:29 PM »
^Save yourself a ton of time on the plate lights by using a strip of trimmable LEDs from ebay.  You can get 2 12" strips now for like $15.  A strip of 3 LEDs cut off of it first perfectly in the housings and you won't have to solder resistors on it.  That's what I'm running.  Super bright and took longer to take the housings out than to solder the strips in there.

EDIT: Then you can take the extra portion of the strips and do LED interiors.  I did that and the interior is bathed in nice white light now.  I only used 9 LEDs per side and it is about perfect.  12 LEDs might work if you like it a bit brighter.


"A good memory for quotes combined with a poor memory for attribution can lead to a false sense of originality."

monty23psk

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« Reply #20 on: November 06, 2009, 07:10:40 PM »
Awesome idea and thanks. Might have to ask you questiions through the process. Do you have any pics or links for these lights on ebay. I will search later.
Alex  88 m5 | 91 318is | 19 Subaru Ascent
BMW Tool Rentals & Fender Roller

s_ribs

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E30 318is Custom LED Tails (Videos)
« Reply #21 on: November 07, 2009, 12:02:42 PM »
I wish this forum would send me e-mail updates...

Thanks for the additional info and the link!

bmwman91

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E30 318is Custom LED Tails (Videos)
« Reply #22 on: November 24, 2009, 12:19:01 PM »
Nice work!  I have a spare set of tails from my first car that I have wanted to do this with.  They look really good!

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