Removing and installing, sealing/replacing rear timing case cover (B36 engine) (Cooper base)

Special tools required:

11 4 470
2 469 803
11 8 815
11 9 182
11 9 184
11 9 181
2 360 215
11 9 183

Attention!

Engines with surface sealant:

The maximum processing time of the liquid sealing compound is 10 minutes .

Preliminary work needed:

Remove ENGINE WITH TRANSMISSION .
Mount ENGINE ON ASSEMBLY JIG .
Remove FLYWHEEL .
Remove CYLINDER HEAD . .
Remove OIL PAN .

REMOVAL:

Attention!

Magnet wheel (1) is magnetic.

Keep magnet wheel (1) in a plastic bag away from shavings.

Remove magnet wheel (1) from crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and detach it off the crankshaft sensor.

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws in the sequence 11 to 1 .

Fig 1: Timing Case Cover Screws Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Increased force may be necessary during disassembly because the component is bonded with liquid sealing compound.

Attention!

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

Remove seal remnants from the crankcase with special tool 11 4 470.

Check that lining sleeves (2) are correctly fitted, replace if necessary.

Courtesy of BMW OF NORTH AMERICA, INC.

INSTALLATION:

Have special tool 2 469 803 ready.

Courtesy of BMW OF NORTH AMERICA, INC.

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

Parts: SEALING COMPOUND 2.2 .

Courtesy of BMW OF NORTH AMERICA, INC.

When replacing the rear timing case cover:

Installation note:

The maximum processing time of the liquid sealing compound is 10 minutes .

Sealing bead thickness: 1.5 to 2.0 mm .

Apply the sealing bead (1) at the positions signaled (see illustration) on the inside of the timing case cover.

Parts:

Sealing bead (1): SEALING COMPOUND 2.2 .

Courtesy of BMW OF NORTH AMERICA, INC.

Attention!

Damage to the crankshaft seal.

Taping the sealing lip (inner) and oiling the crankshaft seal will destroy it.

Do not tap the sealing lip (inner) of the crankshaft seal.
Do not oil the crankshaft seal.
Install the crankshaft seal dry.

Mount special tool 11 8 815 on the crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.

Insert bolts.

Tighten bolts in the sequence 1 to 11 .

Tightening torque: 11 14 2AZ .

Fig 2: Timing Case Cover Bolts Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

When reinstalling the timing case cover :

Support the timing case cover (1) from below.

Set the inner punch in the crankshaft seal (2).

Drive the crankshaft seal (2) outwards.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

The maximum processing time of the liquid sealing compound is 10 minutes .

Thickness of sealing bead 1.5 to 2.0 mm.

Courtesy of BMW OF NORTH AMERICA, INC.

Remove the gasket remnants from the timing case cover with the special tool 11 4 470.

Apply the sealing bead (1) at the positions signaled (see illustration) on the inside of the timing case cover.

Parts:

Sealing bead (1): SEALING COMPOUND 2.2 .

Mount the timing case cover without the crankshaft seal.

Insert bolts.

Tighten bolts in the sequence 1 to 11 .

Tightening torque: 11 14 2AZ .

Fig 3: Timing Case Cover Bolts Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 11 8 815 on crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.

Attention!

Damage to the crankshaft seal.

Taping the sealing lip (inner) and oiling the crankshaft seal will destroy it.

Do not tap the sealing lip (inner) of the crankshaft seal.
Do not oil the crankshaft seal.
Install the crankshaft seal dry.

Carefully slide the crankshaft seal (1) straight off the special tool 11 8 815 using a rotational movement until the crankshaft seal is positioned parallel on the timing case cover.

Remove the special tool 11 8 815.

Secure special tool 11 9 182 with special tool 11 9 184 on the crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare special tool 11 9 181 for installation.

Attach special tool 2 360 215 to special tool 11 9 181.

Courtesy of BMW OF NORTH AMERICA, INC.

Pull on radial shaft seal with special tool 11 9 181 and 2 360 215 in combination with special tool 11 9 183.

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in crankshaft seal with special tool 11 9 183 to stop.

Courtesy of BMW OF NORTH AMERICA, INC.

Connect connector (1) to crankshaft sensor and lock.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check the lining sleeve for damage.
Note the installation position of the magnet wheel.

Position magnet wheel (1) on crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.

Concluding tasks:

Install OIL PAN .
Install CYLINDER HEAD . .
Attach FLYWHEEL .
Remove engine from ASSEMBLY JIG .
Install ENGINE WITH TRANSMISSION .