3HP22 Transmission parts, repair guidelines, problems, manuals

Transmission general data

Number of gears Transmission Type Drive Torque (Nm) ATF (full capacity) L ATF (change) L ATF type
3 AT RWD 320 2.4 2 Dexron II

3-speed automatic transmission 3HP22 was produced by ZF company in 1973. This transmission was intended for rear drive passenger vehicles with motors M10, M20, M30 of BMW product range (big coupes and sedans, 3, 5, 6 and 7 series). This automatic transmission transmits the torque up to 320 Nm.

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Overhaul Kit | Friction Kit | Friction | Steel Plate | Steel Kit | Band | Solenoid Kit | Solenoid EPC | Solenoid TCC | Pump | Shaft | Drum | Valve body | Torque converter | Hub | Piston | Piston Kit | Planetary Gear | Filter | Gasket | Bushing | Seal | Bearing | Pressure Plate | Stator | Differential | Retainer | Inhibitor Switch | Instruction manual | TOOLS & ACCESORIES | Sensor

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Technical issues and repair guidelines

One of the most common sources of problems in this 3HP22 transmission is the governor. The governor is a shifting pressure regulator on the output shaft of the transmission. The gear shifting point according to the car speed depends on the above mentioned governor.The wear-out of niches for plastic rings on the hub of the last transmission clutch is considered to be another soft spot. This problem also may lead to the governor pressure loss.