11 28 035 Removing and installing/replacing friction gear (N14)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Remove right wheel arch cover. See 51 71 040 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER

Pull out friction gear with mechanical release (3) in direction of arrow and lock on locking hook.

Friction gear (1) lifts mechanically off belt drive.

Disconnect plug connection (2) on friction gear.

NOTE: Picture shows friction gear removed.

Fig 1: Pulling Out Friction Gear With Mechanical Release

G04796262

Courtesy of BMW OF NORTH AMERICA, INC.

Move friction gear (2) into service position at max. 50 N

To secure friction gear in servicing position, suspend pull cable (1) on housing (2).

Fig 2: Identifying Cable On Housing

G04796250

Courtesy of BMW OF NORTH AMERICA, INC.

Secure belt pulley of water pump with an oil filter band (1).

Release bolts (2) with special tools 11 9 581 and 11 9 583.

Tightening torque: 11 51 2AZ.

Fig 3: Identifying Oil Filter Band And Bolts

G04796264

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts (1) with special tools 11 9 583 and 11 9 581.

NOTE: Drive belt does not have to be removed.

Fig 4: Removing Bolts Using Special Tools (11 9 583 And 11 9 581)

G04796265

Courtesy of BMW OF NORTH AMERICA, INC.

Remove friction gear (1) towards bottom.

Disconnect plug connection (2).

Fig 5: Identifying Friction Gear And Plug Connection

G04796266

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Bolt down friction gear in sequence 1 to 3.

Tightening torque: 9 Nm.

Fig 6: Friction Gear Bolts Installing Sequence

G06907218

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Slowly retract pull strap (1) in direction of arrow.

Plastic ring (2) must engage in friction gear housing.

Fig 7: Pulling Strap

G06907219

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation:

Check cable routing for correct installation position (risk of damage!) .