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Home >> BMW >> 2018 >> 340i xDrive Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 271 (Engine - Repair (F30, 4-CYL RWD)) >> 11 37 VALVETRONIC >> 11 37 005 Removing and installing/replacing eccentric shaft (B48B)

11 37 005 Removing and installing/replacing eccentric shaft (B48B)

WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

Necessary preliminary tasks: 

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 supports neatly in special tool 11 4 480  .

NOTE: All bearing supports must be reinstalled in the same positions in an engine which has already been in use.
G11645270Courtesy of BMW OF NORTH AMERICA, INC.

Remove intermediate shaft (1) from cylinder head.

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Installation: 

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

IMPORTANT: If one or more needle bearings are faulty, the complete eccentric shaft must be replaced.
G11645272Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Ensure correct installation of the guide bushes (1).
Guide bushes (1) must not be damaged.
G11645273Courtesy of BMW OF NORTH AMERICA, INC.

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

G11645274Courtesy of BMW OF NORTH AMERICA, INC.

Before assembly of the eccentric shaft move the needle bearing (1) in the direction of the arrow up to the limit position.

G11790238Courtesy 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 supports (3) on cylinder head.

G11645276Courtesy of BMW OF NORTH AMERICA, INC.

The bearing cap (1) is provided with a limit position.

G11645277Courtesy of BMW OF NORTH AMERICA, INC.

Tighten all screws (1 and 2) evenly.

Tightening torque 11 37 3AZ .

G11645270Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: