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Home >> BMW >> 2021 >> M440i xDrive >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Vacuum Pump -- Repair (G22, G23 & G26) >> 11 66 Engine Vacuum Pump >> 11 66 000 Removing and installing/replacing vacuum pump (RWD) (430i coupe and Gran Coupe sedan) >> Preparing the oil vacuum pump

Preparing the oil vacuum pump

NOTE: RISK OF DAMAGE 
Contaminant or foreign body. 
Contamination can result in malfunctions, loss of function or leaks. 
  • Adhere to the utmost cleanliness.
  • Protect components from contamination e.g. by covering.
  • Close off line connections with seal plugs.
G14216471Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Conduct the following operation with the assistance of a second person.
NOTE: TECHNICAL INFORMATION 
The thread is a left-hand thread.
TIGHTENING TORQUE SPECIFICATION

Sprocket wheel at the oil vacuum pump
M8
Important - left-hand thread
Replace screw.
1. Joining torque  5 Nm
2. Angle of rotation  90°

The sealing ring (1)  must not be damaged or missing.

G12701262Courtesy of BMW OF NORTH AMERICA, INC.