Correct me if I am wrong, but don't the DCT and 6MT transmissions have a vent to atmosphere? That would be another reason for moderately frequent change intervals for either transmission....
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///M3 COMPETITION 6MT - 2017 F80 Smoked Topaz Metallic
BM3 / MP-HAS / GC Camber Plates / Carbonstructure Interior
X7 XDrive 40i ///M-SPORT - 2020 G07 Arctic Grey Metallic
X3 XDrive 30i - 2019 G01 Mineral White (wife's) / 128i 6MT - 2009 E82 Jet Black (son's)
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