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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 07-04-2009, 03:34 AM   #1
DBeemerphileWnaB
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Lightbulb Rear Spoiler with LED Light -How to wire it

I installed an after-market ABS OEM-style trunk spoiler wing on my 325i.

It also has an LED brake light built into it.

I am trying to figure out how to run the wire from the LED brake light in the trunk to a brake light. I can't get the wire thru the rubber tube where the other wires go from the trunk lid into the car (very tight fit). The tube seems to continue into the car a ways, too.

Is there any easy way to connect the spoiler light wire to the brake lights?

There are several different braking wires to the right tailight and the 3rd brakelight on top.
What is the best wire to attach it to? Color? Location?
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Old 07-04-2009, 06:29 AM   #2
sna77
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please do not put a wing on your BMW
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Old 07-04-2009, 11:24 AM   #3
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Question Brake/license plate wiring info?

I'm also looking for any wiring diagram that shows which wires in that rubber tube go to what to help me resolve non-working license plate lights.
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Old 07-04-2009, 01:06 PM   #4
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M3 spoiler = success

any other = fail

really its all to personal opinion but that's how I feel.
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Old 07-04-2009, 01:08 PM   #5
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Originally Posted by sna77 View Post
please do not put a wing on your BMW
+1

Unless its the M3 spoiler...that one is fine. Other spoilers are
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Old 07-04-2009, 01:13 PM   #6
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I see a E46 around town with a trunk spoiler (non M3 ) and it looks like it can fly.
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Old 07-04-2009, 01:15 PM   #7
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That way we can all flame you(ehem ) see the "wing"
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I just can't imagine the world without the smell of burned gas coming out of a well tuned engine:drool:
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nice try on the sig you tard. unfortunately, when you click the link you see the actual quote.

you are on a roll with the FAIL tonight. :lmao:

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Old 07-04-2009, 03:55 PM   #8
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If you really want to do this you can look up the electrical diagrams in the WDS: check the WDS: http://spaghetticoder.org/bmw/wds/
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Old 07-06-2009, 10:03 PM   #9
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Spoiler Wing

Quote:
Originally Posted by sna77 View Post
please do not put a wing on your BMW
The wing looks like the M3 spoiler. It makes my boring all-stock sedan look a lot sportier. I put it on so I can quickly (and inexpensively) tell which of the dozen silver sedans in the parking lot is mine! It seems every other manufacturer has a copy-cat version of the 3-series sedan out.

I also like the additional brake light in the visual center of the car, for safety.

The black coupe is getting one, too, but it needs to be painted first.

Still need to figure out how to get that wire down the rubber trunk tube without taking the whole rear shelf out to get to the other end, or finding out later there was a easy tie-in in the trunk lid itself (is there?).

Has anyone here (successfuly) dealt with snakin' dis tube?
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Old 07-06-2009, 10:20 PM   #10
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Quote:
Originally Posted by DBeemerphileWnaB View Post
The wing looks like the M3 spoiler. It makes my boring all-stock sedan look a lot sportier. I put it on so I can quickly (and inexpensively) tell which of the dozen silver sedans in the parking lot is mine! It seems every other manufacturer has a copy-cat version of the 3-series sedan out.

I also like the additional brake light in the visual center of the car, for safety.

The black coupe is getting one, too, but it needs to be painted first.

Still need to figure out how to get that wire down the rubber trunk tube without taking the whole rear shelf out to get to the other end, or finding out later there was a easy tie-in in the trunk lid itself (is there?).

Has anyone here (successfuly) dealt with snakin' dis tube?


- The e46 M3 spoiler looks like this, it is not a wing:


- There is an OEM sedan spoiler (ugly IMO), and it does not have a 3rd brake light

- You already have a 3rd brake light. If you really want to power it, just tap into the wiring harness.

BTW, this is BMW's OEM sedan spoiler:
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Old 07-06-2009, 10:25 PM   #11
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i think that the coupe/convertible OEM wing spoiler looks kinda cool... Sedan, No.
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Old 07-06-2009, 10:36 PM   #12
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Quote:
Originally Posted by alibusoul View Post
i think that the coupe/convertible OEM wing spoiler looks kinda cool... Sedan, No.
here's the OEM coupe rear spoiler btw. I think it actually fits sedans
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Old 07-14-2009, 08:11 PM   #13
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The black coupe spoiler in the pic looks good. The trunk lip is slick-looking, but not enough by itself to make the car stand out in the parking lot full of similar silver cars. Can't afford fancy wheels like some of you guys (gotta pay for college @$20k/yr!); Donations of any old 18" sets of BMW rims will be accepted in order to help my cause. My sedan's spoiler looks like the silver OEM spoiler pictured above; and it was only $160 painted and delivered.

Still need to know the easy way to get the wire from the trunk lid down that rubber tube so it can be hooked up to the brake light. I tried taping the wire to a coat hanger, put that didn't work (tube too tight/path too bendy). The rubber tube continues into the car. It doesn't appear to have any easy access from the trunk side. The next option is to take the rear shelf out (a total PITA) and see if the tube can be detached or accessed from the inside somehow. Has anyone tried this?
Any hints or tips?
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