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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 06-02-2010, 03:18 PM   #21
snowcatxx87
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Quote:
Originally Posted by diablo666l View Post
How/Where did you get the software changed? I have an aftermarket headunit, and the dealership says the program won't take...I want to shut my 'always on' headlights off so badly!
LOL your dealer is retarded.

I have programmed my friends car with aftermarket headunit, subs and speakers, and trust me, besides the error where it can't find the radio (because the vehicle thinks it has it, via the VO), I still programmed his car.

Take it to an indy, maybe they can do it.

The "always on lights" are called DAYTIME RUNNING LIGHTS. or DRL for short, by the way.
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Old 10-17-2010, 05:30 AM   #22
T0mi
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Sorry for this but i don't know where to ask..I want to do the exactly opposite from this to a German Facelift coupe,i want the DRL.Is there a way to do it??
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Old 10-17-2010, 12:16 PM   #23
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Originally Posted by T0mi View Post
Sorry for this but i don't know where to ask..I want to do the exactly opposite from this to a German Facelift coupe,i want the DRL.Is there a way to do it??
yeah it can be done, take it to the dealer.
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Old 10-17-2010, 01:03 PM   #24
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Here in Greece they say it can't be done this..
I am trying to figure out how to install-work with DIS/GT1 so i can play with the setting and do what they are unable to do.My question was about DIS/GT1,if i can do it with this without cutting wires or change LCM or something..
Thanks my friend.
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Old 02-10-2014, 03:14 PM   #25
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Hi GodsSon, thanks for this DIY. I found this thread and want to do it. However, I ran into a few issues:
  • How many watts is this resistor?
    1 KOhm Resistor
    I found one at radio shack that is 1/8-Watt, and another that is 1/4-Watt. Is this good or do I need something else?
    _
  • I'm not sure what is meant by this?
    5x - 2 meter, 14/19 gauge wire / 1x 3m wire
    Is it 14 gauge or 19 gauge? Is the size optional? Other factors? Please clarify.
    _
  • How many volts is this diode?
    3 Amp DIODE
    I have found many from 12 volts all the way to 700 volts.
    _
  • What size is the project box?
    _
  • Will any DPDT switch work or do I need something specific?
    _
  • How do you mean by relocating the resistors outside the box? Is it shown in the pictures? Update: I should relocate it outside the box and make sure it is touching bare metal and not near any plastic, so as to dissipate heat and prevent melting.
    _
  • How did you mount the project box? Did you simply screw it into the metal? update: you used 2-sided tape to mount it

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Old 02-10-2014, 08:28 PM   #26
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well, in learning about switches for my own schematic I was trying to build, I learned that DPDT what that is is an abbreviation for
Double Pole Double Throw.

Basically I am trying to come up with a switchable version of the corner delete mod v2.
I was amused when I discovered that what I'm trying to do is the same kind of thing you're trying to do (OP).

Thing is, in my method which I'm trying to come up with, it seems I need a 3-pole double throw, not 2-pole double throw like yours has.

Anyhow, continuing back on my schematic...


yeah I'm just going to follow your schematic because as it turns out we're doing exactly the same thing...
Now to try and understand it...


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Last edited by 1`; 02-10-2014 at 10:31 PM.
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Old 02-10-2014, 09:51 PM   #27
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This is all good and well, but the problem with this DIY is that only electricians will be able to do it.

So to everyone who has no idea how to read the relay, I wrote it out, once I was able to find all the info.
edit: I made some progress and updated the image again.
Only things I don't understand now are:
  • What's the SPDT (single pole double throw)? Is that part of the relay? Or what? (UPDATE: is that actually going to the DPDT (double pole double throw) switch? That might make sense since there is the right and the left, so one for each side of spdt = dpdt. I'm speculating here.)
    Update: after reading the OP in detail, I see that yes, my speculation is correct - quote: the switch in the circuit for the one side is a SPDT whereas if you are doing both in one box you would use a DPDT.
  • How do I wire up the relay? It's not very clear to me from the schematic. i.e. how do I know which wire in the relay goes where?
  • How many watts is Resistor 2?

The revised (written out in layman) schematic:

(updated again after reading Original Post in detail)
(updated again with more details)

A problem I have with your schematic, is why do you connect the trigger to the ground via a resistor and diode? I understand that the diode makes it so that current only flows one way. However, I don't understand why you connected it? See the picture:



(Speculation: perhaps it's to prevent current from traveling directly from the trigger to the ground, that WOULD happen if you excluded the "Diode 1" and "Resistor 2"? Not saying it would happen, just speculating that maybe that's why you added the resistor and diode there because maybe you figured out it would.)

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Last edited by 1`; 02-10-2014 at 10:53 PM.
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Old 02-10-2014, 11:06 PM   #28
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Great work! But wow that's a lot of work when you can just code your LCM to euro mode for the corner lights. It's much cheaper, and you can do way more with the cable and software(whichever software you want weather it be BMW Scanner/NCS/Etc
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Last edited by Tchleung; 02-10-2014 at 11:11 PM.
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Old 02-11-2014, 11:51 AM   #29
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Originally Posted by Tchleung View Post
Great work! But wow that's a lot of work when you can just code your LCM to euro mode for the corner lights. It's much cheaper, and you can do way more with the cable and software(whichever software you want weather it be BMW Scanner/NCS/Etc
Yeah, but it is irreversible, unless you pay again, in which case it is not cheaper.

Also, it is not cheaper. I can build this for under $50 for the parts.

p.s. unless you do it yourself, which I don't know how; exact parts and codes will be needed to code my own LCM. I'm not going to take risks.

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Last edited by 1`; 02-11-2014 at 11:53 AM.
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