Installing flywheel (dual-clutch transmission)

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

NOTE: TECHNICAL INFORMATION
Clean all threads with a screw tap.

Clean all the screw threads (1) .

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Use set of special tools 2 285 058 .

Description
Twist drill
Thread cutter M12x1.5
Deep stop
Screw in tool

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Assemble tool set.

Number	Description
1	Tool holder
2	Thread cutter M12X1.5

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Mark the insertion depth (A) on the thread cutter (1) from the set of special tools 2 285 058 with a standard tool (2) .

TECHNICAL DATA SPECIFICATION

Screw-in depth of thread cutter
	Screw-in depth	18 mm

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NOTE: To provide a better overview: Shown with engine removed.

Screw in the thread cutter (1) from the set of special tools 2 285 058 up to the screw-in depth (2) in the arrow direction.

TECHNICAL DATA SPECIFICATION

Screw-in depth of thread cutter
	Screw-in depth	18 mm

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Make sure that the thread cutter is (1) not pressed up against the timing chain (3) .

NOTE: TECHNICAL INFORMATION
Handle the timing chain carefully to protect the timing chain and timing chain drive from damage.

Make sure that the screw-in depth (2) of the screw tap (1) is not exceeded.
The thread cutter (1) must not come into contact with the timing chain (3) .

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Note the installation position of the magnet wheel (1) .
Position the magnet wheel (1) on the crankshaft.

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B38TU1 (DKG): Position the flywheel (B) .
Replace flywheel bolts (1) to (8) .
Parts: Flywheel bolts
Tighten the flywheel bolt hand-tight with the special tool 0 491 018 (11 4 180) .
Tighten the flywheel bolts in the order (1) to (8) with the special tool 0 491 018 (11 4 180) .

TIGHTENING TORQUES SPECIFICATION

Flywheel to crankshaft
M12x1.5 Replace screws.	Tightening torque	45Nm
M12x1.5 Replace screws.	Angle of rotation	45°

Fig 1: Flywheel Bolts Tightening Sequence

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B38TU1 (DKG): Loosen the transmission bolt (1) .
Guide out and remove special tools 0 494 793 (11 9 265)and 0 496 171 (11 9 811).
Make sure that the washer is expanded by (5 mm).

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B48TU1 (DKG): Position the flywheel (B) .
Replace flywheel bolts (1) to (8) .
Parts: Flywheel bolts
Tighten the flywheel bolt hand-tight with the special tool 0 491 018 (11 4 180) .
Tighten the flywheel bolts in the sequence (1) to (8) with the special tool 0 491 018 (11 4 180) (note the angle of rotation in the next step).

Fig 2: Flywheel Bolts Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUES SPECIFICATION

Flywheel to crankshaft
M12x1.5 Replace screws.	Tightening torque	45Nm
M12x1.5 Replace screws.	Angle of rotation	45°

Apply all flywheel bolts (1) with an angle of rotation of 45° by using the special tool 0 490 504 (00 9 120) .

NOTE: Mark all the flywheel bolts (1) with a vertical line.

Remove special tool 0 493 938 (11 9 260) .

Courtesy of BMW OF NORTH AMERICA, INC.
B48TU1 (DKG): Loosen the transmission bolt (1) .
Guide out and remove special tools 0 494 793 (11 9 265)and 0 496 171 (11 9 811).
Make sure that the washer is expanded by (5 mm).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE DOUBLE-CLUTCH TRANSMISSION (DCT) .
Refer to INSTALLING THE RIGHT RADIAL SHAFT SEAL ON THE DIFFERENTIAL (7DCT300) .
Refer to INSTALLING THE LEFT RADIAL SHAFT SEAL ON THE DIFFERENTIAL (7DCT300) .
Refer to INSTALLING RIGHT OUTPUT SHAFT AT TRANSMISSION END .
Refer to INSTALLING THE LEFT OUTPUT SHAFT AT THE TRANSMISSION END .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING AND SECURING COMPLETE FRONT AXLE .
Refer to SECURING MOUNTED PARTS ON THE FRONT AXLE SUPPORT .
Refer to CONNECTING PURGE AIR LINE .
Refer to CONNECTING CONNECTOR ON STEERING GEAR .
Refer to FASTENING THE RUBBER MOUNT ON THE FRONT AXLE SUPPORT .
Refer to SECURING THE ANTI-ROLL BAR ON THE LEFT AND RIGHT ON THE ANTI-ROLL BAR LINK .
Refer to FASTENING THE CABLE FOR THE RIDE HEIGHT SENSOR .
Refer to INSTALLING WHEEL ARCH COVER AT FRONT LEFT AND RIGHT .
Refer to IF INSTALLED: INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE FRONT LEFT AND RIGHT WHEELS
Refer to REMOVING THE MOUNTING FOR THE COOLANT RADIATOR ON THE LEFT AND RIGHT .
Refer to SECURING THE STEERING SHAFT AT THE BOTTOM ON THE STEERING GEAR .
Refer to REMOVING ENGINE BRIDGE .
Refer to INSTALLING FAN COWL WITH ELECTRIC FAN .
Refer to INSTALLING CROSS CONNECTION .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING INTAKE PORT .
Refer to INSTALLING THE UPPER BULKHEAD COVER PANEL .
Refer to INSTALLING THE SYSTEM BATTERY .
Refer to CONNECTING THE NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
Refer to CHECKING OIL LEVEL/REPLENISH OIL IN DOUBLE-CLUTCH TRANSMISSION (DCT) (7DCT300) .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING FRONT WINDSHIELD PANEL COVER .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to FILLING THE COOLANT CIRCUIT WITH THE VACUUM FILLING EQUIPMENT .
Refer to VENTING THE COOLING CIRCUIT .
Refer to INSTALLING ACOUSTIC COVER .