BMW 3 series E30

Since 1983-1994 of release

Repair and car operation



BMW E30
+ 1. The maintenance instruction
+ 2. Maintenance service
+ 3. The engine
- 4. Cooling system
   4.2. Specifications
   4.3. Antifreeze
   4.4. The thermostat
   4.5. A radiator
   4.6. Fans and муфта a drive
   4.7. The pump of a cooling liquid
   4.8. The gauge of temperature of a cooling liquid
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. A running gear
+ 12. A body
+ 13. An electric equipment
+ 14. A good advice
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4. Cooling system

4.1. Introduction
THE GENERAL DATA

System of cooling and the scheme of an arrangement of hoses of system on 4-cylinder engines

1. The engine
2. A heater radiator
3. A throttle branch pipe
4. The pump of a cooling liquid
5. A radiator
6. The thermostat
Arrows specify a direction of a current of a liquid.

System of cooling and the scheme of an arrangement of hoses of system on 6-cylinder engines

1. A heater radiator
2. A throttle branch pipe
3. The thermostat
4. A radiator
5. A broad tank
6. The pump of a cooling liquid
7. The engine
Arrows specify a direction of a current of a liquid.

Cooling system standard термостатируемая, an elevated pressure. The thermostat is located: on engine M10 – in the bottom hose of a radiator, on М20 – in the case, in a forward part of the engine and on М40 – under the top cover of a gear belt.

The stopper with the control valve on 4-cylinder engines is in a radiator stopper, on 6-cylinder – in the top part of a transparent plastic tank. Pressure of operation of the valve – either 1,0, or 1,2 атм.