ZF 4HP22 transmission
The 4HP 22 is a four-speed automatic transmission from ZF Friedrichshafen AG for passenger cars with rear wheel drive or 4X4 layout. Introduced in 1980, it was produced through 2003, and has been used in a variety of cars from BMW, General Motors, Jaguar, Land Rover, Maserati, Peugeot, Porsche, and Volvo.
| 4HP 22 (RWD & 4X4) | |
|---|---|
| Overview | |
| Manufacturer | ZF Friedrichshafen | 
| Production | 1980 – 2003 | 
| Model years | 1980 – 2003 | 
| Body and chassis | |
| Class | 4-Speed Longitudinal Automatic Transmission | 
| Chronology | |
| Predecessor | ZF 3HP Transmission Family | 
| Successor | ZF 5HP Transmission Family | 
Specifications
    
    Torque
    
The ZF 4HP 22 can handle from 100 to 380 NM of input torque.
Technical data
    
| Gear Teeth and Ratios | Planetary Gearset: Teeth | Count | Total | Avg. | |||
|---|---|---|---|---|---|---|---|
| Simpson | Simple | ||||||
| Model
 Type  | 
First
 Delivery  | 
Sun 1
 Ring 1  | 
Sun 2
 Ring 2  | 
Sun 3
 Ring 3  | 
Brakes
 Clutches  | 
Ratio
 Span  | 
Gear
 Step  | 
| Gear | 1 | 2 | 3 | 4 | R | ||
| 4HP 22
 A · Big Engines  | 
1980 | 35
 73  | 
35
 73  | 
31
 83  | 
4
 3  | 
3.4055 | 1.5045 | 
| Ratio | 2.4795 | 1.4795 | 1.0000 | 0.7281 | - 2.0857 | ||
| 4HP 22
 B · Small Engines  | 
1980 | 35
 73  | 
41
 73  | 
31
 83  | 
4
 3  | 
3.7539 | 1.5541 | 
| Ratio | 2.7331 | 1.5616 | 1.0000 | 0.7281 | - 2.0857 | ||
Applications
    
    4HP 22
    
- BMW
- E30
- 1984–1988 316 M10/B18
 - 1987–1988 316i M10/B18
 - 1988–1994 316i M40/B16
 - 1984–1987 318i M10/B18
 - 1987–1994 318i M40/B18
 - 1982–1993 320i M20/B20
 - 1982–1986 323i M20/B23
 - 1985–1990 324d M21/D24
 - 1987–1990 324td M21/D24
 - 1983–1988 325e M20/B27:[1] Type A
 - 1985–1993 325i M20/B25:[1] Type A
 - 1986–1992 325ix M20/B25:[1] Type A
 
 - E28
- 1981–1987 518i M10/B18:[2] Type B
 - 1981–1987 520i M20/B20:[2] Type B
 - 1986–1988 524d M21/D24:[2] Type B
 - 1983–1987 524td M21/D24:[2] Type B
 - 1983–1988 525e M20/B27:[2] Type A
 - 1981–1987 525i M30/B25:[2] Type A
 - 1981–1987 528e M20/B27
 - 1981–1987 528i M30/B28:[2] Type A
 - 1983–1984 533i M30/B32
 - 1984–1988 535i M30/B34:[2] Type A
 
 - E24
- 1983–1989 633CSi M30/B32
 - 1983–1987 635CSi M30/B34
 
 - E23
 - E34
 - E32
 
 - E30
 - Chevrolet
 - Jaguar
 - Land Rover
- Defender
- 1997 90 V8 4.0L North America Spec
 - 1998 90 V8 4.0L Defender 50th Special Edition
 
 - Discovery (Series I)
- 1992–1999 V8 3.9L
 
 - Discovery (Series II)
- 1999–2002 V8 4.0L
 
 - Range Rover
- 1987–2002 (except 4.6)
 
 
 - Defender
 - Lincoln
- Continental
- 1984–1985 2.4 litre (BMW-Steyr turbodiesel)
 
 
 - Continental
 - Lotus
- Lotus Excel
- Excel SA 1986 –1991 Twin Cam 4 Cyl Lotus 2.2L 180bhp
 
 
 - Lotus Excel
 - Maserati
- Biturbo
- 1988–1997 2.5 V6
 - 1988–1997 2.8 V6
 
 - Quattroporte
- 1994–1998 2.8 V6
 
 
 - Biturbo
 - Peugeot
 - Volvo
 
4HP 22HL
    
Rear-engine design rear-wheel drive configuration
- Porsche
- 1989–1993 Porsche 911 Carrera II 3.6
 - 1993–1998 Porsche 993 3.6
 
 
See also
    
    
References
    
- "ZF North America application chart (automatic)" (PDF). ZF Friedrichshafen AG. ZF-Group.com. Retrieved 11 February 2006.
 
- "BMW E30 3 Series Specifications".
 - "BMW E28 Specifications".
 - "BMW E23 735i user manual, PDF p. 125" (PDF).
 - "South African version BMW E23 745i user manual, PDF p. 117" (PDF).
 - "BMW E34 user manual, 1989, p. 111".
 - "BMW E32 user manual, PDF p. 51" (PDF).
 - "Chevrolet Opala Specifications".
 - "Chevrolet Opala Original table of gear ratios".
 - A. K. Legg, Peugeot 505 Owners Workshop Manual, Haynes Publishing Group, 1989, ISBN 0-85696-762-9, p. 132
 - Octavio Trentini, Reparación y ajuste de automoviles Peugeot 505, Cosmopolita publisher, 1995, ISBN 950-9069-69-8, p. 148, 149
 - Peugeot 505 User manual, Peugeot, 1987, Paris, p. 146, 147
 - Peugeot 505 User manual, Peugeot, 1987, Madrid, p. 109
 - Peugeot 505 User manual, Peugeot, 1987, Madrid, p. 131
 - "Volvo 740 User manual, 1985".
 - "Volvo 740 User manual, 1986, PDF p. 126, 127" (PDF).
 - "Volvo 760 GLE user manual, 1984, PDF p. 110" (PDF).
 
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