What is the fault reason of BMW 740 transmission system?

The fault reasons of BMW 740 transmission system are as follows: the driving computer program can not run normally; Oil pump is damaged or oil pump sensor is damaged; Fuel injector is damaged; Ignition coil is damaged; Spark plug is damaged or carbon deposit; The turbine pressure relief valve is damaged and the filter screen is blocked; The vacuum tube on the turbine pressure reducing valve is inserted incorrectly. Take BMW 7 Series 20 19 as an example. The manufacturer of this car is BMW (imported), the grade is large, the energy type is gasoline, and the maximum power is 250kw. BMW 7 Series 20 19 refitted 740Li Leading Luxury Suit's body type is a 4-door 5-seat sedan, the gearbox is an 8-speed automatic manual transmission with a top speed of 250km/h, the driving mode is front and rear drive, the front suspension type is double wishbone independent suspension, and the rear suspension type is multi-link independent suspension.