LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1510 (Engine - Repair Instructions (N62)) >> 37 Variable Valve Gear >> 11 37 006 Removing And Installing/Replacing Left Eccentric Shaft (N62 To 9/03) >> Identification

11 37 006 Removing And Installing/Replacing Left Eccentric Shaft (N62 To 9/03): Identification

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lever with roller for cylinders 1 to 4
  2. Lever with roller for cylinders 5 to 8
    Fig 1: Identifying Lever With Roller For Cylinders 1 To 4
    G04773833Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: The position of the eccentric (3) is crucial to fitting the lever (2) and the installation direction in the bearing bridge described later.
Incorrect assembly will result in engine damage. 

Cylinder bank 5 to 8: 

As shown in the illustration, the machined surface (3) on the eccentric must point upwards and the groove in the eccentric shaft must be pointed upwards at an angle.

Align lever (2) with digits 5-8 pointing to groove in eccentric shaft and insert. Insert screw (1).

Grip lever (2) with roller at dihedral.

Tighten down screw (1).

Fig 2: Identifying Position Of Eccentric
G04777682Courtesy of BMW OF NORTH AMERICA, INC.

Installation of magnet wheel:

NOTE: Roller (2) must not rest against vise.
Clamp eccentric shaft (1) with front jaws on dihedral in a vise.
Fig 3: Identifying Exhaust Camshaft
G04739897Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: The position of the eccentric is crucial to fitting the magnet wheel (1) and the installation direction in the bearing bridge described later.
Incorrect assembly will result in engine damage. 

Magnet wheel (1) is secured with a lug in groove in eccentric shaft.

Fig 4: Identifying Magnet Wheel
G04773835Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Only install original antimagnetic screw (2).

Insert screw (2) and tighten down.

Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .

NOTE: Replace bearing shells (1) of needle bearings.
IMPORTANT: Bearing shells (1) must be installed in such a way that ends of bearing shells (1) face each other as shown in illustration.
Fig 5: Identifying Bearing Shells
G04740226Courtesy of BMW OF NORTH AMERICA, INC.

Insert bearing shells (1) into bearing bracket so that it is secured in bore (2).

Fig 6: Inserting Bearing Shells Into Bearing Bracket
G04740227Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate bearing shells (1) with engine oil.

Fig 7: Identifying Bearing Shell
G04740222Courtesy of BMW OF NORTH AMERICA, INC.

Cylinder bank 5 to 8: 

IMPORTANT: There is a danger of mixing up battery leads:
Machined curvature of eccentric points inwards.
Lever (2) with roller points towards front.

Install eccentric shaft as shown in illustration.

Fig 8: Identifying Lever With Roller
G04777688Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate bearing shells (1) with engine oil.

Install bearing shells (1).

Fig 9: Installing Bearing Shells
G04740230Courtesy of BMW OF NORTH AMERICA, INC.

Bearing shells (1) must snap audibly into place.

Check correct position of bearing shells (1).

Fig 10: Identifying Bearing Shells
G04740231Courtesy of BMW OF NORTH AMERICA, INC.

Install left inlet camshaft.  See 11 31 032 REMOVING AND INSTALLING/REPLACING LEFT INLET CAMSHAFT (N62 FROM 9/03 AND N62TU) .

Assemble engine.

scientia non olet · About LEMON Manuals