BMW 7_ая the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and operation receptions
3. Settings and routine maintenance of the car
4. Engine
5. Systems of cooling of the engine, heating, ventilation and air conditioning
5.1. System of cooling of the engine
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. Kardanny and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Electric equipment schemes




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5-sistemy-okhlazhdeniya-dvigatelya-otopleniya-ventilyacii-i-kondicionirovaniya-vozdukha.html

5. Systems of cooling of the engine, heating, ventilation and air conditioning

Specifications

Inclusion temperature//switching off of the coupling of a drive of the fan of system of cooling, °C
  • Engines M52, M52TU
90/60
  • Engines M60/1, M60/1, M62 (B 35, B 44)
95 ± 4//60
  • M62 B 46 engine
92 ± 4//60
  • M73 engine
102 ± 4//75
Люфт bearing of the coupling of a drive of the fan of system of cooling, mm
  • Engines M52, M52TU (at Ø 120 mm)
± 0.65
  • Engines M60/1, M60/1, M62 (B 35, B 44) (at Ø 156 mm)
± 0.65
  • M62 B 46 and M73 engines (at Ø 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
  • Engines M57, M67
88
  • M73 engine
95
Current consumption by an additional heater at the maximum capacity, And
Volume of a maslookhladitel, including hoses, l 12.5 ± 1
  • Engines M51, M60, M62
0.75
  • M73 engine
1.0
Test pressure of a maslookhladitel, atm 16
Test pressure of system of cooling of the engine, atm 1.5
Test pressure of a radiator of system of cooling of the engine, atm
  • Engines M52TU, M57, M67
2.0
  • Engines M51, M52, M60/1, M60/2, M62, M73
1.5
Pressure of opening of a safety valve of superfluous pressure of system of cooling, atm
  • Petrol engines
2+0.1
  • Diesel engines
1.4
- 0.2
+0.2
Depression of opening of the vacuum valve of system of cooling, atm 0.1

To/in system

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

Efforts of a tightening of carving connections, Nanometer

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

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4.7.15. Removal and engine installation		 following page»
5.1. System of cooling of the engine