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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Engine - Repair (S54)) >> Crankshaft With Bearing >> 11 21 571 Replacing Grooved Ball Bearing In Crankshaft (M52/S52/M52TU/M54/S50/S54)

11 21 571 Replacing Grooved Ball Bearing In Crankshaft (M52/S52/M52TU/M54/S50/S54)

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Special Tools Required: 

(Clutch removed)

IMPORTANT: In version with needle bearing (1) in dual-mass flywheel (2), no  grooved ball bearing may be fitted in the crankshaft.
Fig 1: Locating Needle Bearing In Dual-Mass Flywheel
G03117775Courtesy of BMW OF NORTH AMERICA, INC.

Version With Grooved Ball Bearing: 

Remove guide bearing with special tool 11 2 340.

Fig 2: Removing Guide Bearing With Special Tool
G03117776Courtesy of BMW OF NORTH AMERICA, INC.

Install new thrust bearing and drive firmly home with special tool 11 2 350 in conjunction with special tool 00 5 500.

Fig 3: Installing New Thrust Bearing
G03117777Courtesy of BMW OF NORTH AMERICA, INC.