Remove the bolts (dark arrows) fasteners, remove the expansion tank of the cooling system (1, Fig. 4.133) upward movement (light arrow) and set it aside. The pipes remain connected to the tank.
Note: When the oil pressure sensor is removed, a small amount of oil will leak out.
Prepare a clean rag to collect the leaking oil and unscrew the oil pressure sensor (arrow, Fig. 4.134).
When installing the oil pressure sensor, tighten it to a torque of 27 N·m (2.7 kgf·m).
Install the oil filter cover (M10) and tighten it to a torque of 33 N·m (3.3 kgf·m), check the oil and engine coolant levels.
Place the vehicle on a level surface, start the engine and let it idle until the oil pressure indicator goes out.
Turn off the engine, wait for 5-7 minutes and check the oil level in the engine, restore it if necessary.
The original entry can be found on the portal «bmwman.ru»