BMW 335xi adaptive headlight module corrosion issue due to water accumulation on BMW 335xi

Some BMW 335xi owners report experiencing corrosion issues with their adaptive headlight modules due to water accumulation, which can lead to condensation and damage. This problem often arises from water infiltration into the light casing, resulting in potential malfunctions that may require repairs costing between $600 and $1500. Additionally, some owners find that cracked headlights or loose access doors allow water to enter, exacerbating the issue. In cases where the modules are corroded beyond repair, replacement may be necessary. It is advisable for owners to seek assistance from a certified BMW technician for diagnosing and resolving complex electronic issues, especially those related to faulty wiring or more significant underlying problems.