BMW 7 Owners & Service Manuals

BMW 7 Series: Oil Sump

REMOVING AND INSTALLING/REPLACING LOWER OIL SUMP SECTION (N63)

Necessary preliminary work

  • Remove underbody protection at front and rear.
  • Release oil drain plug and drain engine oil. See SERVICE - ENGINE OIL.

Unlock plug connection (1) on oil level sensor and disconnect.

Release screws (2) along line.

Tightening torque 11 13 3AZ.

Remove lower oil sump section (3).

Installation note: Clean sealing surfaces.

Replace gasket.

Replace screws.

Oil Sump
Fig. 80: Identifying Plug Connection On Oil Level Sensor And Lower Oil Sump Section

When replacing lower oil sump section: Convert oil level sensor.

Replace sealing ring.

NOTE:

Procedure with four-wheel drive

Unlock plug connection (1) on oil level sensor and disconnect.

Release screws (2) along line.

Tightening torque 11 13 3AZ.

Remove lower oil sump section (3).

Installation note: Clean sealing surfaces.

Replace gasket.

Replace screws.

Oil Sump
Fig. 81: Identifying Plug Connection On Oil Level Sensor And Lower Oil Sump Section

When replacing lower oil sump section: Convert oil level sensor.

Replace sealing ring.

REMOVING AND INSTALLING/REPLACING UPPER OIL SUMP SECTION (N63)

Necessary preliminary work

  • Drain ENGINE OIL.
  • Secure engine in INSTALLATION POSITION.
  • Lower FRONT AXLE.
  • Remove LOWER OIL SUMP SECTION.
  • Unclip wiring harness on oil sump.

Remove oil filter cover with oil filter (1) with special tool 11 9 240.

Tightening torque: 11 42 1AZ.

Oil Sump
Fig. 82: Removing Oil Filter Cover With Special Tool 11 9 240

Release bolt (1). Remove oil pipes (2) from oil filter housing.

Release holders of supply/return lines on oil sump.

Oil Sump
Fig. 83: Identifying Oil Pipes Screw

Unfasten screws (2).

Tightening torque: 11 41 1AZ.

Oil Sump
Fig. 84: Identifying Intake Pipe And Screws

Oil Sump
Fig. 85: Identifying Transmission End Screws And Upper Oil Sump Section

Release screws in area of line (1).

Tightening torque 11 13 2AZ.

Release screws (2) on transmission end 24 00 1AZ.

Remove upper oil sump section (3).

Installation note: Free sealing surfaces of seal debris and clean.

Replace gasket.

Modify oil pressure switch if replacing oil sump.

Assemble engine.

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