BMW F97 Technical Training Manual page 44

F97/F98￿Complete￿Vehicle
4.￿Powertrain
4.5.3.￿Front￿output￿shafts
The￿front￿output￿shafts￿have￿been￿carried￿over￿from￿the￿G01/￿G02￿with￿the￿VAG170AL.
4.5.4.￿Rear￿output￿shafts
The￿rear￿output￿shafts￿have￿been￿carried￿over￿from￿the￿F90￿and￿adapted￿to￿the￿F97/F98.￿The
dimensioning￿and￿strength￿of￿the￿shaft￿and￿the￿joints￿with￿the￿rear￿differential￿and￿wheel￿bearing￿have
been￿adapted￿to￿the￿higher￿torque￿of￿the￿F97/F98.
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