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Home >> BMW >> 2016 >> 428i 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Repair - F33 >> Flywheel >> 11 22 500 Removing and installing/replacing flywheel (N55)

11 22 500 Removing and installing/replacing flywheel (N55)

Special tools required  :

IMPORTANT: Aluminium screws/bolts must be replaced each time they are released  .
Aluminium screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic  .
Jointing torque and angle of rotation must be observed without fail (risk of damage)  .

Necessary preliminary tasks  :

Automatic transmission  :

Secure flywheel (1) with special tool 11 9 260 .

Unfasten flywheel bolts.

Tightening torque 11 22 1AZ .

Installation note  :

Flywheel (1) is secured with an dowel pin.

Fig 1: Loosening/Tightening Flywheel Bolts
G09844632Courtesy of BMW OF NORTH AMERICA, INC.

Manual gearbox  :

Fasten dual-mass flywheel with special tool 11 9 260 and 11 9 265 .

Release flywheel bolts with special tool 11 4 180 /

Tightening torque 11 22 2AZ .

Installation note  :

Fit new flywheel bolts.

Clean all threads for flywheel bolts in crankshaft.

Fig 2: Identifying Special Tools (11 9 255, 11 9 260 And 11 4 180)
G04751113Courtesy of BMW OF NORTH AMERICA, INC.

Installation note  :

Pay attention to dowel pin.

Fig 3: Removing Flywheel
G09844634Courtesy of BMW OF NORTH AMERICA, INC.

Installation note  :

Ensure installed position of magnet wheel is correct.

Fig 4: Identifying Magnet Wheel
G09844477Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.