7 Series E38 728i (M52TU) SAL
The following 12 steps can only be omitted, if the final drive
housing bearings were not replaced.
Install final drive housing with new crown wheel and new bearings.
Lubricate bearings thoroughly with approved final drive gear lube
(refer to Fluids and Lubricants) and let them drip dry.
Install side bearing caps marked with belonging shims (1), but at
first without O-rings (2).
Evenly tighten bearing cover screws opposite the crown wheel.
Tightening torque, refer to Technical Data
The compensating bore (1), recognized on the outside by tab (2),
always faces up in installed position of the transmission.
Determining Friction Torque of New final drive housing Bearings
Axial preload force of final drive housing bearings (4000 N) can
be determined with help of the friction torque,
refer to Technical Data
Tighten bolts of second bearing cap uniformly only enough, that
the differential can still be turned easily.
RA Replacing input bevel gear and crown wheel (Type M) - final drive housing remove
BMW AG - TIS
23.02.2013 05:51
Issue status (12/2007) Valid only until next DVD is issued
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