How to unplug BMW x5 nozzle?

1. Drop a few drops of lubricating oil at the interface between the fuel injector and the engine first, which is very labor-saving. Remove the two screws that secure the fuel rail.

2. Unplug the power terminals of the four fuel injectors, and you can unplug them. Be careful not to use brute force, and unplug the throttle and idle motor at the same time.

3. Open the iron clip that fixes the fuel injector, and the clip can be taken out.

4. Then unplug the nozzle, that is, drop a few drops of lubricating oil at the interface between the nozzle and the oil rail in advance, and you can unplug the nozzle with a few clicks.