11 14 010 Replacing Vacuum Pump Sealing Cover (N51)

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Special tools required:

For the following special tools, refer to ENGINE - SPECIAL TOOLS (N51) .

11 4 361
11 4 362
11 4 363
11 4 364
11 9 200

Necessary preliminary tasks:

Remove fan cowl . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N51) .
Remove alternator drive belt . See 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N51) .
Remove tensioner for drive belt. See 11 28 020 REPLACING TENSIONING DEVICE FOR ALTERNATOR DRIVE BELT (N51) .

NOTE: Procedure is identical to that for radial shaft seal.
Expose removal openings on sealing cover.

Fig 1: Locating Radial Shaft Seal

G04751076

Courtesy of BMW OF NORTH AMERICA, INC.

Convert special tool 11 9 200. See Fig 2.

Screw special tool 11 9 200 onto end cover.

NOTE: Insert screws until flush only with special tool 11 9 200.

Fig 2: Identifying Special Tools (11 9 200)

G04751077

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 11 4 362. See Fig 3.

Fig 3: Identifying Special Tool (11 4 362)

G04751078

Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 4 361 to Bedplate screw connection (see arrow). See Fig 4.

Secure with knurled screw (1).

Screw special tool 11 4 364 into special tool 11 9 200 and screw out in direction of arrow. See Fig 4.

NOTE: For purposes of clarity, illustrations show alternator and servo pump.

Fig 4: Identifying Special Tools

G04751079

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare new sealing cover (1) with special tool 11 9 200 without screws. See Fig 5.

Screw in sealing cover with special tool 11 4 363 until it is flush.

Fig 5: Identifying Special Tools (11 9 200 And 11 4 363)

G04751080

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.