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Mechanical transmission with parking lock module: Notes

The mechanical transmission has the following tasks:

As the electrical machine offers a large usable engine speed range, the transmission only needs to make one gear available, i.e. a fixed gear ratio. As the high level of torque from the electrical machine is available even at a standstill, no clutch is needed in the transmission, either for driving off or for changing gears.

G11149539Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
A General view of rear left
B General view of rear right
1 Interlocking shaft as connection to electrical machine drive shaft
2 Gearbox input shaft
3 Spur gear 1 on input shaft
4 Spur gear 2 on intermediate shaft
5 Spur gear 4 at transmission output
6 Differential
7 Connection for output shaft, left
8 intermediate shaft
9 Spur gear 3 on intermediate shaft
10 Connection for output shaft, right