Right turn signal malfunction

kfscoll · 09-24-2018, 09:53 PM

Just had this issue happen to me twice today with my LCI’s left turn signal. The turn signal flashes quickly and I get the error on the dash. Cycling the turn signal off and back on cleared it both times.

If anyone gets this figured out please post!

ryzer30 · 09-25-2018, 08:41 AM

its a known issues with the lights - it happened in my car as well, took it too the dealer and they swapped the whole light out under warranty. So that would be my advice

akkando · 09-25-2018, 10:46 AM

Quote:

Originally Posted by eeyang92

Quote:

Originally Posted by 963mw

Was doing a Eurotrip in Summer with an M2 and an M6, the M2 was an LCI model and it did the same thing. Came back and my M2 did the same thing. Went to the dealership, got a new taillight unit right away under warranty.

The master technician told me its a problem with the car's grounding that would short the taillight. Apparently BMW has been struggling with this since the E46.

Make sense... but it's so odd BMW alone faces this problem out of all the manufactures. Especially if it's been around since the E46.

Seems m2 complaints are only on LED LCI tail lights.

jmh600cbr · 10-24-2018, 08:26 PM

My full tail light assembly was replaced in this instance

963mw · 10-25-2018, 07:21 AM

Just an update. After having my right taillight replaced, I'm going in on Saturday to replace my left taillight. Same issue as the previous right taillight.

Peasley · 10-25-2018, 11:37 AM

This happened to me for the first time today. Right side.

Bobdaxx · 10-25-2018, 01:04 PM

reading this thread will cause your lights to malfunction-DO NOT READ this thread

Jacob657 · 12-23-2018, 05:55 PM

Quote:

Originally Posted by Peasley

This happened to me for the first time today. Right side.

Just happened to me. I tried it a couple more times and then turned on the hazards to see if it would still flash fast. It stopped flashing fast after I put on my hazards.

kfscoll · 12-23-2018, 10:46 PM

Mine hasn’t done it again since I first posted back in September. Weird.

Saberwalk · 05-09-2019, 03:34 PM

Reviving this thread to note that I have been having the same issue. Took it to the dealer who did nothing but charge the battery because the car was reporting it as a low voltage fault (shrug). It stopped for about a week but started again today. Will be taking it back later this week.

grl.racr · 05-09-2019, 04:16 PM

This just happened to me a few days ago - cycled the signal and it cleared itself a few times but is coming back intermittently. I also need to head back to the dealer to get my defective horn replaced.

DanG · 05-09-2019, 04:27 PM

Mins hasn’t had a problem for over six months. We will see what happens when summer temperatures come.

The dealer did nothing at my one year service. Said the error codes were too old to act on.

Euromeister · 05-10-2019, 02:28 AM

My LH indicator is flashing fast sometime and logs a fault.
Booked it on on 22/5 will report back.

tranck · 05-10-2019, 03:59 AM

Fwiw, I've had the same thing happen on my 2018 - comes and goes.

S2kM2dan · 05-10-2019, 09:19 AM

weird i just experienced this yesterday. feels like its all happening at the same time for everyone lol

Jmm_22 · 05-10-2019, 11:12 PM

mine started doing it too

Picoschu · 05-13-2019, 02:11 PM

Mine has happened once since I purchased the car in April, but hasn't come back up. During it's next visit for service I'll bring it up to the SA to take a look over.

Saberwalk · 05-13-2019, 10:05 PM

Well, took mine to the dealer again on Friday. Of course the car would not show the fault while I was driving it to the dealer. The dealer was initially unable to replicate the fault until the turn signal just dies. As a result, they replaced the entire assembly.

Euromeister · 05-26-2019, 02:12 AM

Took mine to the dealer in the UK Vines of Crawley and they noticed the fault codes on both side. I also showed them evidence with Video that I had managed to capture.
They checked out the wiring and connectors but did not change out the units ?
They gave the car a software upgrade and said this should fix it ?
I think that when the damp cold weather returns to the UK it will happen again!

karthick13 · 06-04-2019, 03:59 PM

Hi Andrew,

I have the same problem on my 2014 320i xdrive , initially it was just showing me the left rear turn signal and now the rear break lamp as well. Dealer is suggesting to replace the entire taillamp for 560$ . can you suggest me options

Quote:

Originally Posted by andrewc89

+1

Also did the LCI tail light retrofit so I'm aware of what it's like back there.

Those exposed harness wires could definitely become loose or get wet and short out. I made sure to tape mine up before reinstalling them to prevent any moisture from getting in.

AndrewC1989 · 06-04-2019, 05:23 PM

Quote:

Originally Posted by karthick13

Hi Andrew,

I have the same problem on my 2014 320i xdrive , initially it was just showing me the left rear turn signal and now the rear break lamp as well. Dealer is suggesting to replace the entire taillamp for 560$ . can you suggest me options

Since you're presumably out of warranty and paying out of pocket I would suggest going on ebay or looking in the classifieds section of the forum to see if you can find the part you need (used) in order to do a cheap replacement and be on your way...

...or if you want you could have some fun and use this opportunity to retrofit the LCI tail lights

Going OEM is rather expensive on the F3X:

https://ind-distribution.com/collect...l-lamp-upgrade

If you want a cheaper aftermarket option you could go DEPO:

https://www.uniquestyleracings.com/s...3012lciled4pcs

AlpsRider · 06-04-2019, 06:33 PM

I have a suspicion that it is a coding problem.

09-24-2018, 09:53 PM	#23
kfscoll Second Lieutenant 209 Rep 212 Posts Drives: ‘18 MG M2 6MT, ‘15 MW X3 35i Join Date: May 2017 Location: Cincinnati, OH iTrader: (0)	Just had this issue happen to me twice today with my LCI’s left turn signal. The turn signal flashes quickly and I get the error on the dash. Cycling the turn signal off and back on cleared it both times. If anyone gets this figured out please post!
	Appreciate 0

09-25-2018, 08:41 AM	#24
ryzer30 Enlisted Member 21 Rep 31 Posts Drives: BMW M2 Join Date: Aug 2017 Location: Edinburgh iTrader: (0)	its a known issues with the lights - it happened in my car as well, took it too the dealer and they swapped the whole light out under warranty. So that would be my advice __________________ [B] BMW M2 LCI - BSM DCT \| MPE with Carbon Tips \| Black Kidney
	Appreciate 0

10-24-2018, 08:26 PM	#26
jmh600cbr Lieutenant 265 Rep 443 Posts Drives: G80 Join Date: Nov 2017 Location: Toronto iTrader: (0) Garage List 2021 BMW G80 [0.00]	My full tail light assembly was replaced in this instance __________________ 2018 F87 LCI gone but not forgotten 2021 G80 6MT BSM
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10-25-2018, 07:21 AM	#27
963mw BMW Fanatic 331 Rep 1,076 Posts Drives: M2 Join Date: Nov 2014 Location: Mexico iTrader: (0)	Just an update. After having my right taillight replaced, I'm going in on Saturday to replace my left taillight. Same issue as the previous right taillight. __________________ 18 BMW M2 \| ER DP \| ER CP \| Wagner Evo 2 Comp Intercooler \| Aquamist HFS4 \| BM3 \| CSF Oil Cooler \| AFE Drop-in Filter \| Bilstein B16 PSS10
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10-25-2018, 11:37 AM	#28
Peasley General Moron 247 Rep 158 Posts Drives: M2 LCI MT & E30 Drift Slag Join Date: Apr 2018 Location: UK iTrader: (0)	This happened to me for the first time today. Right side.
	Appreciate 1 JTO245271.50

10-25-2018, 01:04 PM	#29
Bobdaxx Private First Class 150 Rep 124 Posts Drives: M2 2018 MT Join Date: Aug 2015 Location: Wash dc iTrader: (0)	reading this thread will cause your lights to malfunction-DO NOT READ this thread
	Appreciate 6 AndrewC198910910.50 M3 Adjuster7904.50 HONGCHUMZI233.50 M2RAW121.00 Kikuchiyo113.00 donkey464.00

12-23-2018, 10:46 PM	#31
kfscoll Second Lieutenant 209 Rep 212 Posts Drives: ‘18 MG M2 6MT, ‘15 MW X3 35i Join Date: May 2017 Location: Cincinnati, OH iTrader: (0)	Mine hasn’t done it again since I first posted back in September. Weird.
	Appreciate 0

05-09-2019, 03:34 PM	#32
Saberwalk Private 27 Rep 88 Posts Drives: 2018 RWD DCT M2 Join Date: Jun 2006 Location: Rockville, MD iTrader: (0)	Reviving this thread to note that I have been having the same issue. Took it to the dealer who did nothing but charge the battery because the car was reporting it as a low voltage fault (shrug). It stopped for about a week but started again today. Will be taking it back later this week.
	Appreciate 0

05-09-2019, 04:16 PM	#33
grl.racr First Lieutenant 383 Rep 387 Posts Drives: G87 M2, MK8 R, RS6 Avant Join Date: Feb 2018 Location: Toronto iTrader: (0)	This just happened to me a few days ago - cycled the signal and it cleared itself a few times but is coming back intermittently. I also need to head back to the dealer to get my defective horn replaced.
	Appreciate 0

05-09-2019, 04:27 PM	#34
DanG Major General 10561 Rep 6,912 Posts Drives: 2018 M2 AW DCT Join Date: Aug 2012 Location: Seattle, WA iTrader: (1) Garage List 2018 BMW M2 [7.68]	Mins hasn’t had a problem for over six months. We will see what happens when summer temperatures come. The dealer did nothing at my one year service. Said the error codes were too old to act on.
	Appreciate 0

05-10-2019, 02:28 AM	#35
Euromeister Private First Class 51 Rep 115 Posts Drives: M2 LCI Join Date: Apr 2016 Location: UK iTrader: (0)	M2 LCI My LH indicator is flashing fast sometime and logs a fault. Booked it on on 22/5 will report back.
	Appreciate 0

05-10-2019, 03:59 AM	#36
tranck First Lieutenant 501 Rep 339 Posts Drives: 2018 Alpine White BMW M2 Join Date: May 2018 Location: Aberdeen, NC iTrader: (0) Garage List 2018 M2 [0.00]	Fwiw, I've had the same thing happen on my 2018 - comes and goes.
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05-10-2019, 09:19 AM	#37
S2kM2dan Second Lieutenant 102 Rep 211 Posts Drives: 2018 LBB M2 6MT Join Date: Oct 2012 Location: Toronto iTrader: (0)	weird i just experienced this yesterday. feels like its all happening at the same time for everyone lol __________________ Brought Home - Apr.27.2018 2018 ///M2 \| LBB \| 6MT \| LED \| 2019 Mod Wait-List: Wagner 200Cell DP \| M Mirrors \| M Performance Spoiler \| Eibach Springs
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05-10-2019, 11:12 PM	#38
Jmm_22 Enlisted Member 27 Rep 35 Posts Drives: M2 Join Date: Oct 2018 Location: NY iTrader: (0)	mine started doing it too
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05-13-2019, 02:11 PM	#39
Picoschu Private First Class 108 Rep 120 Posts Drives: 03 E39 M5, 01 325iT, 17 328dxT Join Date: Apr 2019 Location: Austin, TX iTrader: (0)	Mine has happened once since I purchased the car in April, but hasn't come back up. During it's next visit for service I'll bring it up to the SA to take a look over.
	Appreciate 0

05-13-2019, 10:05 PM	#40
Saberwalk Private 27 Rep 88 Posts Drives: 2018 RWD DCT M2 Join Date: Jun 2006 Location: Rockville, MD iTrader: (0)	Well, took mine to the dealer again on Friday. Of course the car would not show the fault while I was driving it to the dealer. The dealer was initially unable to replicate the fault until the turn signal just dies. As a result, they replaced the entire assembly.
	Appreciate 0

05-26-2019, 02:12 AM	#41
Euromeister Private First Class 51 Rep 115 Posts Drives: M2 LCI Join Date: Apr 2016 Location: UK iTrader: (0)	Indicator fault LCI Took mine to the dealer in the UK Vines of Crawley and they noticed the fault codes on both side. I also showed them evidence with Video that I had managed to capture. They checked out the wiring and connectors but did not change out the units ? They gave the car a software upgrade and said this should fix it ? I think that when the damp cold weather returns to the UK it will happen again!
	Appreciate 0

06-04-2019, 06:33 PM	#44
AlpsRider Brigadier General 2864 Rep 3,842 Posts Drives: M2 Competition, LBB, 6MT Join Date: May 2015 Location: Earth iTrader: (0)	I have a suspicion that it is a coding problem.
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