LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2017 >> 650i 2D Convertible >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - Repair - F12 >> Differential With Bearings (AWD Vehicles) >> 31 51 015 Replacing shaft seal for left output shaft (AWD)

31 51 015 Replacing shaft seal for left output shaft (AWD)

Special tools required: 

Necessary preliminary work: 

Lever shaft seal (1) out of front axle differential (3) with a fork wrench (2).

Fig 1: Replacing Front Axle Differential Shaft Seal Using Fork Wrench
G08512335Courtesy of BMW OF NORTH AMERICA, INC.

Install radial shaft seal: 

NOTE: The installation protective ring (1) serves to protect the sealing lips of the radial shaft seal (2) when the output shaft is being installed.
Fig 2: Identifying Radial Shaft Seal Lips And Protective Ring
G04794385Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Drive in shaft seal with special tool 31 5 130 up to limit position.

Fig 3: Identifying Special Tool (31 5 130)
G09849144Courtesy of BMW OF NORTH AMERICA, INC.

After installation: