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Home >> BMW >> 2021 >> X1 xDrive28i >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair (F48 AWD) >> 11 13 Oil Pan >> 11 13 000 Removing and installing, sealing or replacing oil sump (B48AO0)

11 13 000 Removing and installing, sealing or replacing oil sump (B48AO0)

Special tools required: 

Necessary preliminary work: 

CAUTION: Engines with surface sealant:
Application time of sealing bead max  . 12 minutes.

Removal: 

Release tank ventilation line (1) at clamp (2).

G11644906Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect tank ventilation line (1) at connection (2).

G11644907Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect connector (1) for oil-level sensor.

Release screw (2).

Remove cable routing (3).

Disengage the positive battery cable on the clamp (4).

G11644908Courtesy of BMW OF NORTH AMERICA, INC.
Fig 1: Oil Sump Screws Loosening Sequence
G11644909Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from transmission.

Release screws (2-20).

Engine with liquid sealing compound: 

CAUTION: The oil sump can only be loosened in the areas (1) where an aperture is present in the oil sump.
G09919573Courtesy of BMW OF NORTH AMERICA, INC.

Use a mounting lever (1) to release oil sump in direction of arrow at the correct location.

G11671245Courtesy of BMW OF NORTH AMERICA, INC.

Preparation for installation: 

Clean sealing residues from oil sump and crankcase.

CAUTION: Do not use any metal-cutting tools (e.g. emery cloth).

Clean sealing residue off sealing surface (1) using special tools 11 4 472 and 11 4 472.

Installation note: 

Clean sealing surface (1) with brake cleaner 3.3  .

Sealing surface (1) must be free of oil, grease and cleaning agents.

G11644912Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Do not use any metal-cutting tools (e.g. emery cloth).

Clean sealing residue off sealing surface (1) using special tools 11 4 471 and 11 4 472.

Installation note: 

Clean sealing surface (1) with brake cleaner 3.3  .

Sealing surface (1) must be free of oil, grease and cleaning agents.

G11644913Courtesy of BMW OF NORTH AMERICA, INC.

Have the special tool 2 469 803 ready.

G12700801Courtesy of BMW OF NORTH AMERICA, INC.

Position sealing compound (1) on special tool 2 469 803 as shown.

Parts: SEALING COMPOUND 2.2 

G12700802Courtesy of BMW OF NORTH AMERICA, INC.

Apply SEALING COMPOUND 2.2  in this area (1).

Make sure that the sealing bead runs along the inner edge.

The oil return orifice (arrow) must be rounded completely.

NOTE: The oil sump must be installed approximately 10 minutes after application of the sealing compound.

Sealant height approximately 2 to 2.5 mm.

G11644914Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Installation note: 

Special tool 11 8 780 is only necessary if the engine or the transmission is removed.

Position special tool 11 8 780 with transmission bolts (1) so that engine oil sump is exactly flush with engine block.

If necessary, replace fitting sleeves.

Attaching the oil sump.

G11644915Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Installing screws with an incorrect screw length may cause damage to the component.
Observe exact screw lengths.
Reinstall screws corresponding to the original screw length.
The oil sump may be damaged when using the incorrect screw length!

Ensure that the correct  screw (2) (M8x40) is used for mounting the oil sump on the transmission.

The screw (1) (mounting bolt of the starter motor) may never  be used for mounting the oil sump.

G12700805Courtesy of BMW OF NORTH AMERICA, INC.
Fig 2: Oil Sump Screws Tightening Sequence
G11644909Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Tighten all screws (2-20) on oil sump to 5 N.m.
Join Torx screws (1) to 5 N.m.
Tighten down all screws on oil sump.
Tightening torque: 11 13 2AZ .
Tighten down Torx screws (1).
Tightening torque: 24 00 1AZ .

Clip in the positive battery cable in the clamp (4).

Properly route the cable at the oil sump.

Position cable routing (3) and fasten with screw (2).

Connect connector (1) for oil-level sensor.

G11644908Courtesy of BMW OF NORTH AMERICA, INC.

Connect tank ventilation line (1) at separation point (2).

G11644907Courtesy of BMW OF NORTH AMERICA, INC.

Clip in the tank ventilation line (1) into the clamp (2).

G11644906Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: