Recalls for the BMW 4 Series TCM/PCM/TECM - Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive... Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as necessary,... Check your VIN against the official notice before acting on this. TCM/PCM/TECM - 23V821000 - https://www.nhtsa.gov/recalls?nhtsaId=23V821000 #recalls