2018 BMW X2 Exterior Lighting Problems

Rear brake light bulb housing assemblies melted plastic around metal bulbs contacts. Both tail light assemblies has failed three times each. This issue has occurred on multiple BMW X2s.

Experiencing an issue with rear turn signal not functioning properly. Replaced bulb but problem not resolved. Checked internet to find others are experiencing issue with part melting causing bulb socket to loose connectivity causing the problem. Serious safety concern by my standards. Wife’s vehicle and she is constantly getting the finger and angry drivers behind honking and screaming at her.

BMW X2 "REAR TAIL LIGHT MALFUNCTION" OCCURS CONSISTENTLY. Seems like a manufacturer defect. I took it to the dealer once and had the bulb changed when I was there for scheduled service and it worked for 1 day and then back to the fault. Seems to be a common manufacturer defect: [XXX] [XXX] [XXX] 
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I have had trouble with both my right and left taillight blinkers failing at various times. In the first instance, I took the car into BMW of Seattle to get a new bulb, but this did not fix the problem. After talking with the parts department, the man informed me that it might be an issue with the bulb socket. We tried replacing this but it still didn't work. The technician ended up scraping corrosion off of the contacts in the taillight assembly, which makes it work for a time, but then work either intermittently or not at all. I was told that the problem is due to metal connecting to plastic parts, which can become corroded and cause the electrical connection to fail. The parts person said that he had heard of this problem with the X2 models. BMW quoted me $1000 to replace each of the taillight units....