BMW issued a service bulletin May 9, 2022, regarding excessive moisture in the headlamps of M3 sedans, M4 coupes, and G2x 4 Series produced before March 2022. Bulletin # 63 02 22 prescribes replacing headlight vents (both sides) with updated parts if excess moisture is present in one or both headlights.
I took my car in Monday morning (coincidentally, in a heavy downpour after driving through a few puddles). Parts arrived today and are awaiting a technician to perform the install.
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