24 13 012 Replacing output flange shaft seal (GA6HP26Z) (N63 engine, model years 2009 through 2012)

Special tools required: 

• 23 0 490
• 24 4 310

Necessary preliminary tasks: 

• Remove TRANSFER BOX .

Drive a hole into radial shaft seal (1) using a center punch.

Thread special tool 23 0 490 into radial shaft seal (1).

Drive out radial shaft seal (1) with impact weight (2).

Fig 1: Removing Radial Shaft Seal Using Center Punch

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Installation: 

Coat sealing lips of new radial shaft seal with clean transmission oil.

Drive shaft seal firmly home with special tool 24 4 310.

Fig 2: Installing Radial Shaft Seal Using Special Tool (24 4 310)

Courtesy of BMW OF NORTH AMERICA, INC.

Special tools required: 

• 23 0 020
• 24 2 351
• 24 2 352
• 24 2 353
• 24 2 370
• 24 2 380
• 24 2 410

Necessary preliminary tasks: 

• Remove underbody protection at front and rear. See REMOVING FRONT UNDERBODY PROTECTION and REMOVING REAR UNDERBODY PROTECTION .
• Remove complete EXHAUST SYSTEM .
• Remove TRANSMISSION CROSSMEMBER .
• Remove PROPELLER SHAFT .

Release transmission support block from transmission.

Tightening torque 22 32 1AZ .

Grip output flange (1) with special tool 23 0 020 .

Release nut with special tool 24 2 380 .

Tightening torque 24 13 1AZ .

Installation:

Replace nut and secure with a mandrel (8 mm) by caulking.

Fig 1: Loosening Output Flange Nut Using Special Tool (24 2 380)

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Detach output flange from output shaft.

Remove spacer.

Attach special tool 24 2 353 to output shaft (1).

Fig 2: Connecting Special Tool (24 2 353) To Output Shaft

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Screw in special tool 24 2 351 until it is firmly connected with radial shaft seal.

Pull out radial shaft seal by screwing in special tool 24 2 352 .

Fig 3: Pulling Out Radial Shaft Seal Using Special Tool (24 2 352)

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Oil sealing lip of radial shaft seal (1). Drive in radial shaft seal (1) as far as it will go using special tool 24 2 370 and adapter ring 24 2 410 .

Fig 4: Driving Radial Shaft Seal Using Special Tools (24 2 370 And 24 2 410)

Courtesy of BMW OF NORTH AMERICA, INC.