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Home >> BMW >> 2015 >> Z4 sDrive28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine - Tightening Torques (N54) -- Z4_E89) >> Oil Sump (N54) >> 11 13 Oil sump

11 13 Oil sump

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TIGHTENING TORQUE SPECIFICATIONS - OIL SUMP

  Type Thread Tightening specifications Dimension
1AZ Plug Oil drain to oil sump. N54/N54T M12 x 1.5 Replace sealing ring. 25 Nm
2AZ ASA screw
Oil sump (aluminum) to crankcase lower half.
Aluminum screws/bolts are permitted with and without color coding (blue).
N54/N54T M8 x 26 Replace screw. Thread repairs exclusively with aluminum Helicoil threaded insert. Jointing torque and angle of rotation must be observed without fail.  
      Jointing torque 8 Nm
      Angle of rotation 60 °
3AZ ASA screw Oil sump (aluminum) to crankcase lower half.
Aluminum screws/bolts are permitted with and without color coding (blue).
N54/N54T M8x112/M8x92 Replace screw.
Thread repairs exclusively with aluminum Helicoil threaded insert.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 8 Nm
      Angle of rotation 180 °
4AZ ASA screw
Oil sump (aluminum) to crankcase lower half.
Aluminum screws/bolts are permitted with and without color coding (blue).
N54/N54T M8 x 36 Replace screw.
Thread repairs exclusively with aluminum Helicoil threaded insert.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 8 Nm
      Angle of rotation 90 °
5AZ ASA screw
Oil deflector to crankcase lower half.
Aluminum screws/bolts are permitted with and without color coding (blue).
N54/N54T M6 x 20 Replace screw.
Thread repairs exclusively with aluminum Helicoil threaded insert.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 4 Nm
      Angle of rotation 90 °
6AZ ASA screw
Transmission to oil sump.
N54/N54T M8 x 50   19 Nm
7AZ Hexagon screw Holder, transmission oil cooler line, to oil sump. N54/N54T M6 x 30   8 Nm
8AZ Hexagon nut
Oil level sensor to oil sump.
N54/N54T M6   8 Nm
9AZ
Transmission fluid cooler bracket to oil sump
N54/N54T M8   9 Nm