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Home >> BMW >> 2013 >> 640i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Crankshaft Seal, Timing Case Cover, Engine Oil Pan, Crankcase Ventilation System - Repair - F12 >> Crankshaft Seal, Timing Case Cover >> 11 14 010 Replacing sealing cap for vacuum pump (N55)

11 14 010 Replacing sealing cap for vacuum pump (N55)

Special tools required: 

Necessary preliminary work: 

Removing sealing cap: 

Prepare special tool 11 8 530 .

Remove special tool 11 8 533 from special tool 11 8 532 .

Install special tool 11 8 534 .

Special tool 11 8 536 is not required.

Fig 1: Identifying Special tool 11 8 536
G10041941Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 8 531 to long special tool 11 8 535 .

Short special tool 11 8 535 (short); a 6 mm thick M10 washer must be placed underneath between crankcase and special tool 11 8 531 .

NOTE: For purposes of clarity, graphics show alternator and power steering pump removed.
Fig 2: Attaching/Positioning Special Tools
G10041942Courtesy of BMW OF NORTH AMERICA, INC.

Special tool 11 8 537 must be positioned manually on sealing cap.

Screw in special tool 11 8 534 .

NOTE: The sealing cap is pressed out diagonally during this operation
Fig 3: Identifying Special Tool 11 8 537
G10041943Courtesy of BMW OF NORTH AMERICA, INC.

Installing sealing cap: 

Prepare special tool 11 8 530 .

Remove special tool 11 8 534 from special tool.

Install special tools 11 8 533 and 11 8 532 .

Fig 4: Identifying Special tool 11 8 536
G10041944Courtesy of BMW OF NORTH AMERICA, INC.

Screw in new sealing cap (1) with special tools 11 8 532 and 11 8 533 until flush with crankcase upper part.

Fig 5: Removing Sealing Cap
G10041945Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.