BMW 3: Automatic transmission
BMW 3 Series G20 (2018-2025) Training manual / Drive Components / Automatic transmission
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Introduction
The automatic transmission GA8P75HZ of the G20 PHEV, which is based on the
transmission
introduced in the F07 at the end of 2009 (GA8HP70Z), is also manufactured by ZF.
If you have already take
Dual-mass flywheel
In order to reduce fuel consumption and CO2 emissions, high-charged engines
are used, the number
of cylinders is reduced and the drivable speeds are lowered.
However, with these measures the torsion
Shift elements
Brakes and clutches are described as shift elements which make possible the
shifting and changing
of all gears. Like in the GA8HP70Z transmission, the following shift elements
are also used in the
G
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Tow-starting and towing
Safety information
Warning
Due to system limits, individual functions can
malfunction during tow-starting/towing with the
Intelligent Safety systems activated. There is a
risk of accident. Switch all Intelligent Safety
systems off prior to tow-starting/towing.
Steptronic transmission:
transporting
Operating temperature
The positions of the rotary valve at engine operating temperature are shown
by area C of the heat
management module circuit diagram.
Operating temperature
The graphic shows control with the engine at operating temperature. The
position of the rotary valve
means that the cross-sections of the resp
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