BMW 5 Series E39

since 1996-2001 release

Repair and operation of the car



BMW E39
+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
- Cooling systems, heating
   + Cooling system
   + Heater
   + Air conditioner
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment
+ System of onboard diagnostics





Cooling systems, heating

Specifications

Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type

Design

Thermosiphon with the bladed water pump. Thermostatic adjustment. With a separate broad tank. The electric fan joins and switched off by a thermoswitch. In separate models the chemical heataccumulator is used.

System volume

520i, 523i, 528i

10.5 l

525tds

10.0 l

535i, 540i

12.2 l

Antifreeze

Frost resistance

For increase in frost resistance up to -35 °C remove a cooler and fill in an antifreeze concentrate in volume:

The measured value of frost resistance

 

0 °C

5.2 l

— 5 °C

4.0 l

— 10 °C

3.0 l

— 20 °C

2.0 l


Pressure of opening of the safety valve of a stopper of a radiator

2.0 bar

Depression of opening vacuum
radiator stopper valve

0.1 bar

Efforts of tightening of threaded connections

The moments of an inhaling of fixture are given in the text of the Head and on some illyustratsiyakh*.
* The moments of an inhaling highlighted in the text in bold type are subject to exact observance; the efforts which are not highlighted in bold type are given only approximately

Characteristic

Value

The water pump on the engine

 

      •  M6

10 Nanometer

      •  M8

20 Nanometer

Bolts of fastening of the thermostat

10 Nanometer

Four bolts of fastening of a pulley

10 Nanometer

Drain stopper of the cooling system

40 Nanometer





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