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Home >> BMW >> 2021 >> 840i xDrive 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System -- Repair (G14, G15, & G16) >> 13 51 Fuel Injection Pump >> 13 51 070 Removing and installing/replacing right high pressure pump (M850i xDrive coupe/convertible/Gran Coupe sedan) >> Installing right high pressure pump

Installing right high pressure 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.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
NOTE: TECHNICAL INFORMATION 
On vehicles with an active stabilizer (ARS), the fan cowl must be removed to crank the engine.
For additional information see: REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN .
G15643492Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
The sealing surfaces must be free of oil, grease and cleaning agents.
G15643496Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Damage to the engine  .
If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged  .
  • Only rotate the engine manually in the correct direction of rotation: a) clockwise when looking at the damper, or b) counterclockwise when looking at the chain drive. b) applies only if the timing chain is installed in the rear.
G15643497Courtesy of BMW OF NORTH AMERICA, INC.

Engine oil 

Technically suitable engine oils for BMW Group engines 

G15643498Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
The high pressure pump is preloaded by the piston spring and must be removed by alternately unscrewing the screws without tilting.
Before installing the high pressure pump, the cam of the high pressure pump drive must be turned to bottom dead center.
If necessary, turn the engine in the direction of engine rotation on the central bolt of the crankshaft, otherwise there is a risk of piston breakage of the high pressure pump.
G15643499Courtesy of BMW OF NORTH AMERICA, INC.
G15643502Courtesy of BMW OF NORTH AMERICA, INC.
G15643500Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

High-pressure pump to cylinder head
M6
Replace screws.
Tightening torque  11.8 Nm
Angle of rotation  90°
TIGHTENING TORQUES SPECIFICATION

Fuel delivery line to high pressure pump
M14 Tightening torque  30 Nm
G15643501Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work