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      06-02-2014, 05:12 PM   #1
M-Power M3
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Pre Facelift to Facelift Rear (Questions before I move forward)

My Z was rear ended last week and I’m going to use this as an opportunity to update the look of the rear from the pre facelift tails/bumper to the facelift.

I’ve been doing research and so far it looks like this is what I’ll need:

Facelift Bumper Cover #51127170618
Left LED Tail #63217162729
Right LED Tail #63217162730
Left Tail Surround #51717167525
Right Tail Surround #51717167526

Now to my questions, first do I need the following?

Bumper Mount #51127158875 (there is a center piece and then also a left and right listed with different part numbers..)

As for the coding, wiring etc. to get the LEDs working right and no bulb out warning

Wiring Clusters: (Is this correct for US/NA spec cars? I know there was an issue with rear fog lights and reverse lights with EU models but I don't quite understand)

Left side

1 Black-yellow
2 empty
3 brown
4 black-green
5 gray-purple
6 blue-green

Right side

1 blue-brown
2 gray-yellow
3 blue-black
4 brown
5 blue-yellow
6 empty

Coding:

Quote:
1. the tail lights and break light is on
well, to prevent the "t" effect, you just have to code your light control module - in german the code is:
BREMSLICHT_ALS_STANDLICHT
nicht_aktiv

this means the breaklight should not longer work as your side markers and then they are off. everything works as intended (break, tail light..)

2. flickering of taillight / 6V issue
well, you took the power of the light of your plate sign - you can also program your light control module as follows:

PWM_ANSTEUERUNG_SL_RE_HI
wert_01

PWM_ANSTEUERUNG_SL_LI_HI
wert_01

this gives 12v to the tail lights without further modications.

this works out perfectly with my 2003 Z4 - hence no really need to buy the new light control module.

3. bulbs in the cockpit / dashboard
just deactive the checkcontrols and everything is fine.

WARMUEBERWACHUNG_RL_LI
WARMUEBERWACHUNG_RL_RE

KALTUEBERWACHUNG_RL_RE
KALTUEBERWACHUNG_RL_LI

CC_RUECKLICHT_LINKS
CC_RUECKLICHT_RECHTS


to deactive the checkcontrol.
So to sum everything up, does the part list include what I'll need, what wiring harness do I need and will that coding make everything work right with no bulb out error?

Hoping someone who has done this swap can chime in. Thanks!
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      06-04-2014, 03:35 PM   #2
M-Power M3
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Well, ordered the parts, we'll see how this goes. Surprised no one has done this, or at least has input on it, on here.
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      06-04-2014, 11:46 PM   #3
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You should be able to sort out the pre/post wiring using the WDS.
It's pretty straight forward. Let me know if you need help.
Here's the wire color code translation, courtesy of drbvac.
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      06-07-2014, 06:32 PM   #4
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A few of us have done this. It's all right here.

http://www.z4-forum.com/forum/viewto...p?f=27&t=17666
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