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Home >> BMW >> 2017 >> X5 xDrive35d >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Repair (4 Of 4) >> Variable Valve Lift Control System (VALVETRONIC) >> 11 37 005 Removing and installing/replacing eccentric shaft (PHEV)

11 37 005 Removing and installing/replacing eccentric shaft (PHEV)

Special tools required: 

WARNING: High-voltage system - danger to life 

Necessary preliminary tasks: 

Removal: 

NOTE: All bearing caps of the eccentric shaft are identified with numbers from 1 to 4.

Release screws on bearing cap 1 to 4.

Set all bearing caps down in special tool 11 4 481 in a neat and orderly fashion.

Remove eccentric shaft with gentle tilting and swivel motion.

Fig 1: Identifying Eccentric Shaft Bearing Caps
G09924343Courtesy of BMW OF NORTH AMERICA, INC.

Place eccentric shaft on special tool 11 4 481 .

Installation: 

IMPORTANT: Needle bearings (1) can break very easily.
Fig 2: Identifying Needle Bearing
G09924344Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace eccentric shaft.

Carefully pull needle bearing (1) apart at point of separation.

Slide on all needle bearings (1) of eccentric shaft.

Install bearing shells (1) as illustrated.

NOTE: If bearing shells need to be replaced due to a defect, always replace bearing shells (1) and needle bearings together.
Fig 3: Identifying Bearing Shells Of Needle Bearings
G04740226Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Any installation position may be selected for bearing shells (1) and (2).

If bearing shells (1) in cylinder head are inserted with tips pointing downward, the bearing shells (2) must be inserted in the opposite direction in the bearing cap (see example in illustration).

Fig 4: Installing Bearing Shells
G04751227Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

The gearing and the guide bearing lateral to the eccentric shaft must be greased with LONG-TIME PD 1 (4.1) .

All bearing caps of the eccentric shaft are identified with numbers from 1 to 4.

Coat all bearing positions with engine oil.

Fig 5: Identifying Eccentric Shaft Bearing Caps
G09924347Courtesy of BMW OF NORTH AMERICA, INC.

Insert eccentric shaft.

Place on all bearing caps according to arrangement.

Insert all screws.

Tightening torque 11 31 2AZ .

Installation note: 

Check intermediate shaft for ease of movement.