Brian Van den Bulck BMW fault codes 123401, 123412, 123432, 123437, ... - Turbo wastegate actuator malfunction This customer had a BMW 1 Series with a B38 engine that was in limp mode. After the oil cooler was repaired, the car went into limp mode because the turbo wastegate was out of adjustment. A specific c... 123401 123412 123432 123437 Actuator BMW Turbo Wastegate Apr 14, 2024
