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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 07-27-2009, 07:54 PM   #1
GodsSon
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Corner / Parking Light Delete PROPER DIY............GodsSon

This DIY is for people who want to get rid of the yellow corner / parking lights on the front of their E46 BMW, without risking blowing their LCM, AND without buying LED corners, AND without buying a euro switch. Also gives the option of turning them back on with the flip of a switch... just in case cops give you problems!!

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____________________________________________________________ ____________________________________________________


HOW IT WORKS:

The BMW E46 corner / parking lights run on a dual voltage system. 6 volts for the corner / parking lights and 12 volts for the turn signal. This DIY creates a circuit which allows three options for the lighting. Under the 6 volt load it will connect a resistor to the circuit in place of the light to prevent the light from coming on and yet prevent a bulb out warning. Under the 12 volt load it will connect the light allowing the turn signal to function properly. And finally with the switch OFF it will connect the light to function normally as BMW intended in our various countries. This method connects the corner / parking light to its intended power source whereas other mods connect to the side light power source which may create problems with the LCM and later repair bills.


PARTS:
  • 1x - DPDT switch
  • 5x - 2 meter, 14/19 gauge wire / 1x 3m wire
  • 1x - Project Box
  • 2x - 6 Ohm, 50 Watt Resistor
  • 2x - SPDT, 40 Amp, 12 Volt Auto Relay
  • 2x - 1 KOhm Resistor
  • 2x - 3 Amp DIODE


THE BASIC CIRCUIT:


This is the circuit for ONE side of the car only!! so you would just double it for the other side. Since I placed both sides in one box this meant that they could share the ground wire and a switch. 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.

Essentially the TRIGGER will be connected to the side light. The INPUT will be connected to the positive cable running to the corner / parking light. The OUTPUT will be connected to the cable still connected to the corner / parking light. And the GROUND will be connected to the cars ground. A diagram of the connections is provided below.


My finished product is shown below. I fit both circuits in one box hooked up to one switch to control the normal and light delete modes.


I placed the corner delete box in the empty space of the engine bay and attached it with two sided permanent tape. The pics below show the positioning and completed with all cables attached.



NOTE: I found that the resistors and therefore the box got extremely hot while in operation and risked damaging the relays so I relocated the resistors outside the box. This means that the black box could be even smaller than it is now!.. see below pic!



The result is a Corner / Parking Light delete Mod without downsizing to LED's, blowing LCM's or worrying about your province/state's traffic laws!

BEFORE

AFTER


ERTW.......
BlackBerry Owner? David is a Wireless Usage Monitor that can track your wireless bill in real time from your blackberry! Available on Blackberry AppWorld... more info
____________________________________________________________ ____________________________________________________

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Last edited by GodsSon; 08-01-2009 at 07:05 PM.
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Old 07-27-2009, 09:02 PM   #2
fmzip
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Nice!

Awful lot of work for a light....gotta love the forums for creativity!
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Old 07-30-2009, 08:07 PM   #3
Salazar
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wow!

can you make me one of those boxes and sell it to me? LOL
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Old 09-01-2009, 09:17 AM   #4
adjei
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can you please make me a box, i live in oakville so it shouldn't be hard to pick up
im about 10mins from sq1

Last edited by adjei; 09-01-2009 at 10:53 PM.
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Old 09-03-2009, 03:15 PM   #5
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Old 09-06-2009, 03:01 PM   #6
mujjuman
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when the parking lights are on (without headlights) will the corner lights still light up?
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Old 09-14-2009, 12:44 AM   #7
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When the ModBox switch is set to "ON"; the only time the corner lights are on are when the turn signals are signalling. When the ModBox switch is set to "OFF" the corner lights function as usual (as parking lights/Night Corner Lights/turn signals). So the answer to your question depends on which state the switch is in!
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Old 09-14-2009, 02:30 PM   #8
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haha tahnks!
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Old 09-22-2009, 02:59 AM   #9
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Interesting, Good work!
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Old 10-21-2009, 09:06 PM   #10
zugellos
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GodsSon's schematic appears to be sound....so has anyone attempted this yet?
If so, what are your results?
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Old 10-21-2009, 09:08 PM   #11
uninc4709
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how much are you thinking of charging for the boxes??
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Old 10-22-2009, 12:43 PM   #12
GodsSon
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PARTS:
1x - DPDT switch - $10.00
5x - 2 meter, 14/19 gauge wire / 1x 3m wire - $10.00
1x - Project Box - $10.00
2x - 6 Ohm, 50 Watt Resistor - $30.00
2x - SPDT, 40 Amp, 12 Volt Auto Relay - $20.00
2x - 1 KOhm Resistor - $ 2.50
2x - 3 Amp DIODE - $ 2.50

LABOUR: - $60.00

TOTAL: - $145.00

*Doesn't include shipping
*Custom made electronics aren't cheap and even though its fun I don't work for free, Sorry!
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Old 10-22-2009, 11:33 PM   #13
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great find. i allways wondered about doing this.
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Old 12-18-2009, 06:55 PM   #14
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the joker even says that: If you're good at something, never do it for free. hahah
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Old 12-18-2009, 06:59 PM   #15
Define ///M3
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on coupes the corners look sick
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Old 12-18-2009, 07:13 PM   #16
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Man, I've been thinking about doing this ever since my corners started blowing. I had new harnesses spliced in on each end and my DS blew again.

I don't know what's going on. So fking frustrating.
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Old 06-01-2010, 03:48 PM   #17
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???

I would hardly call this proper. The proper way is what I did: software to program my cars LSZ (light switching center) to european spec, and turned off the corner bulbs.

LOL.
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Old 06-02-2010, 12:27 AM   #18
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Quote:
Originally Posted by UN4GIV3N View Post
Man, I've been thinking about doing this ever since my corners started blowing. I had new harnesses spliced in on each end and my DS blew again.

I don't know what's going on. So fking frustrating.
damn man that sucks!!!! maybe its the bulbs? dont touch the glass with ur fingers. that tends to make them go out sooner

Quote:
Originally Posted by snowcatxx87 View Post
???

I would hardly call this proper. The proper way is what I did: software to program my cars LSZ (light switching center) to european spec, and turned off the corner bulbs.

LOL.
how do u do that?
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Old 06-02-2010, 09:07 AM   #19
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Quote:
Originally Posted by GodsSon View Post
When the ModBox switch is set to "ON"; the only time the corner lights are on are when the turn signals are signalling. When the ModBox switch is set to "OFF" the corner lights function as usual (as parking lights/Night Corner Lights/turn signals). So the answer to your question depends on which state the switch is in!
Is it possible to rig it up so that the 'always on' headlights only come on with the parking lights?

Quote:
Originally Posted by snowcatxx87 View Post
???

I would hardly call this proper. The proper way is what I did: software to program my cars LSZ (light switching center) to european spec, and turned off the corner bulbs.

LOL.
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!
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Old 06-02-2010, 11:08 AM   #20
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Quote:
Originally Posted by diablo666l View Post
Is it possible to rig it up so that the 'always on' headlights only come on with the parking lights?



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!
I do the software mod for locals in NY/NJ. I can take care of the corner light "mod" as well as many other tweaks...
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