BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
5.1. Engine cooling system
5.2. Systems of heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment



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5. Cooling systems of the engine, heating, ventilation and air conditioning

Specifications

Inclusion temperature//switching off of the coupling of the drive of the fan of the cooling system, °C
  • M52, M52TU engines
90/60
  • M60/1, M60/1, M62 engines (B 35, B 44)
95 ± 4//60
  • M62 B 46 engine
92 ± 4//60
  • M73 engine
102 ± 4//75
Side play of the bearing of the coupling of the drive of the fan of the cooling system, mm
  • M52, M52TU engines (at Ø of 120 mm)
± 0.65
  • M60/1, M60/1, M62 engines (B 35, B 44) (at Ø of 156 mm)
± 0.65
  • M62 B 46 and M73 engines (at Ø of 156 mm)
± 0.45
Temperature of the beginning of opening of the thermostat (it is beaten out on the thermostat), °C
  • M51 engine
80
  • M52 engine
92
  • M52TU engine
97
  • M57, M67 engines
88
  • M73 engine
95
Consumption of current an additional heater at the maximum power, And
Oil cooler volume, including hoses, l 12.5 ± 1
  • M51, M60, M62 engines
0.75
  • M73 engine
1.0
Test pressure of the oil cooler, atm 16
Test pressure of the cooling system of the engine, atm 1.5
Test pressure of a radiator of the cooling system of the engine, atm
  • M52TU, M57, M67 engines
2.0
  • M51, M52, M60/1, M60/2, M62, M73 engines
1.5
Pressure of opening of the safety valve of excessive pressure of the cooling system, atm
  • Petrol engines
2+0.1
  • Diesel engines
1.4
- 0.2
+0.2
Depression of opening of the vacuum valve of the cooling system, atm 0.1

K/V system

Coolant type R135a
Amount of coolant,
  • To 12.1997 g of the issue (a big tank of a dehumidifier)
1210 ± 25
  • From 12.1997 g вып
  • M51 engine
1210 ± 25
  • M52, M57, M62, M73 engines
680 ± 10
  • M67 engine
700 ± 25
  • L7 (without//with back To/in)
1270 ± 25//1400 ± 25
Pressure on an entrance//an exit of the K/V safety valve, atm 14/1.8
Working pressure To/in, atm 2 ÷ 35

Efforts of tightening of threaded connections, Nanometer

Drain stopper of OZh in the block of cylinders 25
Cap nut of fastening of the coupling of the drive of the fan to the water pump 40
Cooling system fan fixture to the driving coupling 10


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4.7.15. Removal and installation of the engine
following page"
5.1. Engine cooling system