Bimmerstore DCT300 transmission maintenance: why you should not trust 'lifetime' on your BMW or MINI The 7-speed DCT300 automatic (also known as 7DCT300 or 7DCT470) is a modern transmission found in numerous BMW and MINI models. Fast, efficient, sporty… but unfortunately also prone to wear, especiall... BMW DCT maintenance BMW automatic transmission service BMW chip tuning maintenance DCT tuning tips DCT300 oil change Getrag 7DCT300 Lifetime oil BMW DCT MINI DCT maintenance MINI transmission service MINI tuning and maintenance Why DCT maintenance is needed Aug 3, 2025
