Replace O-rings (1 and 2) on solenoid valve

Installation note:

To install solenoid valves, coat both O - rings with engine oil.

If the solenoid valve is to be reused, the filter strainer (see arrow) must be cleaned.

Fig 1: Identifying O-Rings On Solenoid Valve

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: If a filter element is clogged with dirt, the filter element (filter strainer) may be removed.

Release filter elements (1) at contact edges.

Fig 2: Identifying Filter Elements At Contact Edges

Courtesy of BMW OF NORTH AMERICA, INC.

Bend open welding spots on filter element (1) with a screwdriver (2) in direction of arrow until welding spots are opened.

Fig 3: Bending Open Welding Spots On Filter Element With Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

Avoid damaging, e.g. notches or scratches, the solenoid valve housing (see arrows).

Fig 4: Inspecting Notches Or Scratches For Solenoid Valve Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully insert solenoid valves (2 and 4) up to stop.

Ensure correct installation position.

Insert screws (1 and 3) and tighten down.

Tightening torque 11 36 3AZ .

Fig 5: Identifying Solenoid Valves

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Delete fault memory.

Check function of DME control unit.