Removing and installing/replacing eccentric shaft (B36 engine) (Cooper base)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2021 MINI Cooper, 2020 MINI Cooper, 2019 MINI Cooper, 2018 MINI Cooper, and 2017 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 480

Preliminary work needed:

Removal:

Release screws (1).

Set down the bearing cap neatly in special tool 11 4 480.

Release all screws (2) evenly.

Set down all bearing brackets neatly in special tool 11 4 480.

NOTE: All bearing brackets must be reinstalled in the same positions in an engine which has already been in use.

G11790234

Courtesy of BMW OF NORTH AMERICA, INC.

Remove intermediate shaft (1) from cylinder head.

G11790235

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check all needle bearings (2) of eccentric shaft (1) for ease of movement.

IMPORTANT: If one or more needle bearings are faulty, the complete eccentric shaft must be replaced.

G11790236

Courtesy of BMW OF NORTH AMERICA, INC.

Clean all bearing positions (1) and coat with motor oil.

G11790237

Courtesy of BMW OF NORTH AMERICA, INC.

Before assembly of the eccentric shaft shift the needle bearing (1) in the direction of the arrow up to the stop.

G11790238

Courtesy of BMW OF NORTH AMERICA, INC.

Oil the needle bearings of eccentric shaft (1).

Mount eccentric shaft on cylinder head.

Mount bearing shell (2) and bearing brackets (3) on cylinder head.

G11790239

Courtesy of BMW OF NORTH AMERICA, INC.

The bearing cap (1) is provided with a stop.

G11645277

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten all screws (1 and 2) evenly.

Tightening torque 11 37 3AZ .

G11790234

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work:

Install SERVOMOTOR FOR ECCENTRIC SHAFT .
Install INTAKE CAMSHAFT .
Install INTERMEDIATE LEVER .