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Home >> BMW >> 2017 >> M2 Automatic DCT Trans >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Tightening Torques (F87) >> 11 41 Oil Pumps With Strainer And Drive

11 41 Oil Pumps With Strainer And Drive

N55 ENGINE (2016-2018): 

11 41 OIL PUMP WITH STRAINER AND MOTOR - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Intake pipe with oil deflector to crankcase lower section (bedplate) N55 M6x30 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Angle of rotation
4 Nm
90°
2AZ Oil pump to bedplate N55 M8x123 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Angle of rotation
10 Nm
180°
N55  M8x31
M8x37
Replace screws
Thread repairs exclusively with AI Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Angle of rotation
10 Nm
90°
3AZ Chain module to crankcase and oil pump N55 M6x16 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Angle of rotation
4 Nm
45°
4AZ Hydraulic valve of oil pump to crankcase N55 M6x16 Jointing torque
Angle of rotation
4 Nm
45°
5AZ Sprocket to oil pump N55 M8 Jointing torque
Angle of rotation
20 Nm
45°
6AZ Triangular drive to oil pump N55 M6x16 Jointing torque Angle of rotation 4 Nm
45°
7AZ Chain tensioner to crankcase N55 M6x16   10 Nm

S55 ENGINE (2019-2022): 

11 41 OIL PUMP WITH STRAINER AND MOTOR - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Oil pump to lower section of crankcase (bedplate) S55 M8x123 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
10 Nm
Angle of rotation 180°
S55 M8x31
M8x37
Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
10 Nm
Angle of rotation 90°
2AZ Intake pipe with oil deflector to crankcase lower section (bedplate) S55 M6x30 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
4 Nm
Angle of rotation 100°
3AZ Oil suction pump to lower section of crankcase (bedplate) S55 M6x40   10 Nm
4AZ Suction pipe, right, to oil deflector suction pipe S55 M6x40   10 Nm
5AZ Suction pipe, left, to oil pump S55 M6x16   10 Nm
6AZ Reverse exhaust turbocharger suction pipe to oil deflector S55 M6x16   10 Nm
7AZ Chain module to crankcase and oil pump S55 M6x16   10 Nm
8AZ Hydraulic valve of oil pump to crankcase S55 M6x16   10 Nm
9AZ Sprocket to oil pump S55 M8    
  Jointing torque 20 Nm
Angle of rotation 45°
10AZ Chain tensioner to crankcase S55 M6x28   10 Nm