Removing upper oil sump section, engine removed

Screw connection of upper oil sump section 

Fig 1: Upper Oil Sump Section Screws Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

1 - 25 Screws of upper oil sump section 

1, Screws 

3  , M8 x 25

4, 2, Screws 

5, 6,  M8 x 45

7, 10, 8, 13, 9, 11, 21, 12, 22, 14, 23, 15, 24, 16, 25 

17, 18, 19, 20 

• Unlock plug connection (1) and disconnect.
• Unlock plug connection (2) and disconnect.
• Release, feed out and remove the oil pressure sensor (3).
• Loosen the clamp (arrow).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Release the cable (1) from the clamp (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen screw (25) to (3).
  Fig 2: Upper Oil Sump Section Screws Loosening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
• Loosen screws (1) and (2).
• With the assistance of another person guide out the upper oil sump section (3) and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.