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Home >> BMW >> 2006 >> M5 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair >> 21 Crankshaft With Bearing >> 11 21 500 Replacing Crankshaft (S85) >> Tightening sequence of M11 and fit bolts

Tightening sequence of M11 and fit bolts

Bearing blocks (1 to 6).

Tightening sequence (1 to 12).

Tighten M11 bolts with special tools 00 9 120 and 00 9 130.

Tightening torque 11 11 1AZ. See ENGINE BLOCK .

Observe tightening/torque sequence.

Fig 1: Identifying Special Tools 00 9 120 And 00 9 130
G04741581Courtesy of BMW OF NORTH AMERICA, INC.

Tighten fit bolts with special tools 00 9 120 and 00 9 130.

Tightening torque 11 11 2AZ. See ENGINE BLOCK .

Fig 2: Identifying Special Tools 00 9 120 And 00 9 130
G04741583Courtesy of BMW OF NORTH AMERICA, INC.

Insert screws (1).

Tightening torque: 11 11 3AZ. See ENGINE BLOCK

Insert screws (2).

Tightening torque: 11 11 4AZ. See ENGINE BLOCK

Insert screws (3).

Tightening torque 11 11 5AZ. See ENGINE BLOCK .

Fig 3: Identifying Screws
G04741573Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 5 331 with bolts (1). Important!  Pay attention to dowel pin.

Fig 4: Identifying Special Tool 11 5 331
G04741562Courtesy of BMW OF NORTH AMERICA, INC.

Push special tool 11 7 231 onto special tool 11 5 331 in direction of arrow.

Fig 5: Pushing Special Tool 11 7 231 Onto Special Tool 11 5 331
G04741563Courtesy of BMW OF NORTH AMERICA, INC.

Installation:  Remove support ring from radial shaft seal.

Important!  Sealing lip of radial shaft seal is highly sensitive. Sealing lip must not be kinked. Do not touch the sealing lip with your fingers.

Push radial shaft seal (1) uniformly by way of fitting aid 11 7 231 onto special tool 11 5 331.

Position radial shaft seal approx. 5 mm before crankcase. Remove special tool 11 7 231.

Fig 6: Pushing Radial Shaft Seal
G04741564Courtesy of BMW OF NORTH AMERICA, INC.

Press in radial shaft seal (1) with special tools 11 5 332 and 11 5 333.

Fig 7: Identifying Radial Shaft Seal, Special Tools 11 5 332 And 11 5 333
G04741565Courtesy of BMW OF NORTH AMERICA, INC.

Important!  Pay attention to fitting sleeve. Special tool 11 5 311 must rest flat on crankshaft (pay attention to fitting sleeve). Install special tool 11 5 311 with bolts (1).

Fig 8: Identifying Special Tool 11 5 311
G04741568Courtesy of BMW OF NORTH AMERICA, INC.

Position support ring (1) with radial shaft seal (2) on special tool 11 5 311. Push radial shaft seal (2) uniformly in direction of arrow over support ring onto special tool 11 5 311.

Fig 9: Pushing Radial Shaft Seal Over Support Ring Onto Special Tool 11 5 311
G04741569Courtesy of BMW OF NORTH AMERICA, INC.

Position radial shaft seal (1) approx. 5 mm before crankcase. Remove support ring (2).

NOTE: Support ring (2) is no longer needed.
Fig 10: Identifying Radial Shaft Seal Position And Support Ring
G04741570Courtesy of BMW OF NORTH AMERICA, INC.

Press in radial shaft seal (1) with special tools 11 5 312 and 11 5 313.

Fig 11: Pressing/Removing Radial Shaft Seal
G04226338Courtesy of BMW OF NORTH AMERICA, INC.

Drive both injector nozzles with special tool 11 9 360 on left and right into crankcase.

Installation:  Always replace injector nozzles.

Fig 12: Identifying Special Tool 119 360
G04741585Courtesy of BMW OF NORTH AMERICA, INC.

Installation:  Use primer 1.5 and liquid sealing compound 1.6. Prepare liquid sealing compound (2) in special tool 11 4 370. Screw on nozzle (1) for injecting liquid sealing compound.

Fig 13: Identifying Injector, Sealing Compound And Bottle
G04751070Courtesy of BMW OF NORTH AMERICA, INC.

Press sealing compound cartridge (1) in direction of arrow onto nozzle at 90°. Slowly and evenly insert sealing compound (1) with special tool 11 4 370 in direction of arrow.

Fig 14: Pressing Sealing Compound Cartridge Onto Nozzle
G06203131Courtesy of BMW OF NORTH AMERICA, INC.

Stop (seal off) escaping liquid sealing compound with primer (2) 1.5 at outlet bore (1). The procedure is identical as on the rear radial shaft seal.

Fig 15: Applying Liquid Sealing Compound At Outlet Bore
G06920557Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.