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2Addicts | BMW 2-Series forum Technical Topics Mechanical Maintenance and TSBs: Break-in | Oil & Fluids | Servicing | TSB Passenger side tail light malfunction

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      06-11-2019, 09:56 PM   #23
wichitagreg
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extended warranty protection for this problem.
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      06-12-2019, 12:06 AM   #24
itsbeenfunmike
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Quote:
Originally Posted by abdiel View Post
Turned out to be ground wire short.
This. I had the same issue turns out the ground was kinda crusty looking. Still under warranty so they replaced the right tail light. I guess that one looked the worst. They only replaced the board tho and re-used the other parts.

Kinda disappointed I was hoping I would get a whole new set of tail lights.
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      06-12-2019, 11:52 PM   #25
Clear_Blue22
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Got word they replaced both tail lights on mine. I'll know for sure if it's new assemblies entirely when they drop the car off tomorrow morning. Interesting though they are doing bare minimal replacements on some and completely replacing both sides for others
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      09-12-2019, 09:25 AM   #26
iain1133
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Originally Posted by Clear_Blue22 View Post
Mines in right now for the same thing. I let it go for several months until it was due for service. Hope it finally gets resolved. It's really annoying to hear the gong go off every time it fails randomly when I go to use it exiting the neighborhood. Some times it will fail every drive. Then it would go for weeks working perfectly fine...
Took mine into dealers to see if they would cover the cost(out of warranty) as it's a known SIB. They wanted 120 to run a diagnostic check first. I said 'I've told you what the problem is and the fix' . No sir. So I drove it straight home again to fix myself , now if I could only find that post with the fix for the ground wiring , I've also sourced the bulb holder with the 8 pin socket. 30.
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      09-12-2019, 10:49 AM   #27
Clear_Blue22
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Quote:
Originally Posted by iain1133 View Post
Quote:
Originally Posted by Clear_Blue22 View Post
Mines in right now for the same thing. I let it go for several months until it was due for service. Hope it finally gets resolved. It's really annoying to hear the gong go off every time it fails randomly when I go to use it exiting the neighborhood. Some times it will fail every drive. Then it would go for weeks working perfectly fine...
Took mine into dealers to see if they would cover the cost(out of warranty) as it's a known SIB. They wanted £120 to run a diagnostic check first. I said 'I've told you what the problem is and the fix' . No sir. So I drove it straight home again to fix myself , now if I could only find that post with the fix for the ground wiring , I've also sourced the bulb holder with the 8 pin socket. £30.
Wow that's insane... they covered mine under warranty 100% and I had them do it in conjunction with the service. They replaced both sockets and wires and bulbs as an entire assembly.
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      09-13-2019, 03:03 PM   #28
sethwas
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I know this is an old thread but it just happened to me.

First the turn signal says its no good, then it's fine, then its no good again. Then the brake lamp, and finally the reverse lamp.

Basically every lamp in the housing.

No water, no cracks, and it's just the fried harness. Fixed under warranty, and I made sure they replaced the wiring.

Seth
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      10-04-2019, 08:05 AM   #29
bonhamsurf
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Same thing

Just bought a used 2016 M235i Vert. Having the same issue. Started off very randomly, now becoming more and more frequent.

Anyone have the part numbers for these lights?

I don't think I'm under warranty. I just bought the car and had it shipped to me.
Thank you,
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      10-12-2019, 01:45 PM   #30
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Quote:
Originally Posted by zipphreak View Post
take it to the dealer.. its a known issue with lens cracking and water leaking into the assembly causing it to malfunction randomly.. they replaced the entire right rear emi calculator gst login ifsc code assembly for free.
I was hoping it was just a one time fluke thing but after multiple shut downs and restarts it's still the same issue. I even tried it the next day and same problem.

Last edited by MAILIYAT; 10-12-2019 at 03:01 PM..
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      10-14-2019, 01:09 PM   #31
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There is a known fault, I'm told up until late '16 or early '17 - inadequate ground wire that eventually burns out/melts. Multiple solutions - initially they soldered in a second ground wire harness to your original housing, then they started replacing the units with the newer, better units. If you have this done, take a good look to be sure they don't botch the install - they did on mine, pulled the weather-stripping gasket back so the upper/inner corner was obviously loose and left a 3mm hole for water to get in. They also seem to 'forget' to offer both at once, so I've made 3 trips now to finally get it all updated. The water-entry is a separate known fault/issue, but probably throw's similar codes once things start shorting out.

There is a post here about the factory 'fix' (adding the wiring harness), but try to pressure the dealership to give you two new housings, especially if you are under warranty. If you have to DIY, it is a fairly simple thing, you won't really need a new housing or harness. Info is here: https://www.newtis.info/tisv2/a/en/f...ess/1VnZ8zZX2B
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