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      09-02-2017, 01:38 AM   #1
jdr78569
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DIY| F31 LCI Retrofit

Installation Date : 02 September 2017

I know people have already retrofitted LCI's in F30's and F31's. I just haven't seen a DIY for the F31, so id like to contribute to the forum.


NOTE: Like any DIY project, proceed at your own risk. I am not responsible for anything that happens to your vehicle as a result of attempting this retrofit. This information is simply posted as a reference to help others who may wish to do this project on their own.







Parts -
LCI Tail light set (inner and outer)
F31 retrofit cable

Tools-
plastic trim removal tool
phillips screw driver
flat head screw driver
small flat head screw driver
Ratchet - 10mm & 8 mm (deep socket preferred)
T bits- T20 T27 (lost my T25 but T27 worked)
wire hanger
tape
OEM wire tape



Time - Took about 2.5 hours (to include pictures and info for DIY) + coding time


**Ensure all doors/windows are unlocked prior to disconnecting battery
Remove panels and covers.
-Use trim tool to remove plastic rivets.
-Use 10mm to remove plastic bolts






Remove tray over battery
- Disconnect negative


Remove light trims and bolts
Disconnect inner light connection







Remove outside tail lights by pulling straight out



Disconnect connection from outer light


Remove clip


Use small screw driver and remove pins


Reroute pins and repeat on other side






Remove inner lights



Remove pins and reroute



Use a hanger ( I wrapped end with tape to avoid scratching) to route cable to passenger side




*Might have to connect battery to open/close window and tailgate

Remove T screw


Pop out plastic (3 clips) and remove rubber at top


Use hanger to route up the wires up



Route wires through rubber sleeve and inside



Route wires with harness to REM




Tap LCI wires into REM 12B & 14B
Driver Side REM A174*12B - Tap into 17
Passenger Side REM A174*14B - Tap into 12


Test lights prior to reassembling

Coding is preferred to avoid bulb warm up test. I activated rear fogs and got a warning on the idrive. After coding it was cleared. :thump:



Hope this helps other and motivates them for a great upgrade.

Used Imgur for uploading pictures.

Last edited by jdr78569; 09-03-2017 at 02:16 AM.
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      09-03-2017, 12:50 AM   #2
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Just cuz my GoPro took random shots.


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      09-06-2017, 08:44 PM   #3
Johnny250
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wow.. bravo!
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      09-06-2017, 08:56 PM   #4
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wow.. bravo!
Thanks bro!
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      09-07-2017, 01:33 PM   #5
jkwhar
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Damn bro, you're making wanna do mine lol.
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F30 328i xDrive Sport Line | 475 BSM | 2A5 18" | Cold Weather | Nav Pro | Tech Pkg | Injen Intake | DINAN Sport Tuner | Integral Audio | Retrofit: 522 & 524 EDM | 5AC HBA | VLD | 2TB SAT | 508 | 3AG | 5DL
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      09-07-2017, 10:33 PM   #6
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Damn bro, you're making wanna do mine lol.
Do it! No balls before u start up with the X3 lol
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      09-07-2017, 10:59 PM   #7
LiquidMercury
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Nicely put together, bud.
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      09-08-2017, 09:51 AM   #8
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Do it! No balls before u start up with the X3 lol
x5* and already started tearing apart yesterday to install a 2ch dashcam haha.
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