BMW VEHICLE: TRANSMISSION WARNING LIGHT IS ILLUMINATED AND THE TRANSMISSION ENTERS FAILSAFE MODE. FAULT CODE 4F81 (RATIO MONITORING, CLUTCH A), IN SOME CASES COMBINED WITH THE SUBSEQUENT FAULTS 507B/507C (PARKING GEAR SENSOR IMPLAUSIBLE SIGNAL) OR 507D (PARKING GEAR INCORRECTLY DISENGAGED), ARE STORED IN THE EGS CONTROL MODULE. E60, E51, E65, E66, E70, E90, E91, E92, E93. NO MODEL YEARS LISTED. *PE