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Home >> BMW >> 2003 >> 330i Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair (6-CYL) >> 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)

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: Identifying Needle Bearing
G03123267Courtesy 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
G03123268Courtesy 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
G03123269Courtesy of BMW OF NORTH AMERICA, INC.