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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine - Repair - R55 & R56 (N12)) >> V-Ribbed Belt With TENSIONER >> 11 28 035 Removing and installing/replacing friction gear (N12)

11 28 035 Removing and installing/replacing friction gear (N12)

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

Special tools required: 

Necessary preliminary tasks: 

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
G05515584Courtesy of BMW OF NORTH AMERICA, INC.

Move friction gear (2) into servicing position. 

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

Fig 2: Locating Cable
G05515572Courtesy 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
G05515586Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Identifying Special Tools (11 9 583 And 11 9 581) And Bolts
G05515587Courtesy of BMW OF NORTH AMERICA, INC.

Remove friction gear (1) towards bottom.

Disconnect plug connection (2).

Fig 5: Identifying Friction Gear And Plug Connection
G05515588Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation: 

Check cable routing for correct installation position - risk of damage.