1114010 Replacing vacuum pump sealing cover (N51)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove FAN COWL .
Remove alternator DRIVE BELT .
Remove TENSIONER for drive belt.

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

Fig 1: Locating Crankshaft Radial Seal

G04751076

Courtesy of BMW OF NORTH AMERICA, INC.

Convert special tool 11 9 200 EXTRACTOR (see Fig 2).

Screw special tool 11 9 200 EXTRACTOR onto end cover.

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

Fig 2: Identifying Special Tool (11 9 200)

G04751077

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 11 4 362.

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).

Secure with knurled screw (1).

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

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

Fig 4: Removing Special Tool

G04751079

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare new sealing cover (1) with special tool 11 9 200 EXTRACTORwithout screws.

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

Fig 5: Turning Sealing Cover Using Special Tool (11 4 363)

G04751080

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.