BMW 3 Owners & Service Manuals

BMW 3: 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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 Connecting rod - Crankshaft drive

Connecting rod Piston Area transferring the force Wrist pin Connecting rod bearing with shaped bore hole Connecting rod Connecting rod bearing (B46TU only) Small connecting rod eye (trapezoidal shape) Large connecting rod eye (cracked) Connecting rod bolts of the connecting rod bearing ca

 Removing the round high-voltage connector

The following figures show the approach for releasing the round high-voltage connector, as used for example on the high-voltage cable from the Electrical Machine Electronics to the convenience charging electronics. Depending on the installation location, different connectors may be used. They ar

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