11 13 010 Removing and Installing/Replacing Oil Sump Top Section (N73)

Necessary preliminary tasks: 

• Remove and install design cover.
• Remove and install fan clutch. See 11 52 020 Removing and Installing Or Replacing Fan Clutch (N73) 
• Remove and install alternator belt drive. See 11 28 010 Replacing Alternator Drive Belt (N73) 
• Remove and install A/C compressor belt drive. See 11 28 050 Replacing A/C Compressor Drive Belt (N73) 
• Lower front axle support. See 31 11 506 LOWERING/RAISING FRONT AXLE CARRIER
• Secure power steering pump against falling down. Detach power steering pump from bracket.
• Remove lower oil sump section. See 11 13 OIL PAN

Release screw, remove A/C compressor clamping device (1).

Fig 1: Identifying A/C Compressor Clamping Device

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screw connection (1).

Lay oil lines (2) to one side.

Fig 2: Identifying Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws in area (1) and remove oil pan top section (2).

Tightening torque: 11 13 2AZ. See 11 13 OIL PAN

Installation: 

Replace gaskets and sealing rings.

Clean sealing surfaces.

Fig 3: Identifying Oil Pan Screws Area

Courtesy of BMW OF NORTH AMERICA, INC.

Apply a thin even coat of Drei Bond 1209 (sourcing reference: BMW Parts Service) in area (1)

• at partition levels
• at end cover to engine block

Install oil sump with a new gasket.

Fig 4: Identifying Components Service Area

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.