BMW 5 Series E39

since 1996-2001 release

Repair and operation of the car

+ Introduction
+ Maintenance instruction
- Current leaving and service
   Schedule of routine maintenance
   Current leaving
   General information on control
   Check of levels of liquids
   Check of a condition of tires and pressure in them
   Replacement of motive oil and oil filter
   Check and adjustment of turns of idling of the engine and SO level
   Replacement of an element of the air filter
   Replacement of the filter of air of salon
   Check of the brake system
   Visual control of the bottom and elements of a body
   Check of level of liquid of system of hydrostrengthening of a wheel
   Wheels and tires. Rotation, replacement, balancing and leaving. Snow chains. Sekretka of wheels. Elimination of trembling of a wheel
   Check of a state and replacement of hoses of a motive compartment
   Check of a condition of driving belts
   Check of a condition of the battery, care of it and charging. Replacement of a battery DU brelka
   Check and replacement of spark plugs
   Check of functioning of fuel system. Winter operation of the Diesel
   Check of functioning of the cooling system
   Check of a condition of system of production of the fulfilled gases
   Check of a condition of components of a suspension bracket and steering
   Check of a condition of protective covers of power shafts
   Lubricant of locking devices
   Visual check of seat belts
   Check of a state and replacement of brushes of screen wipers
   Replacement of brake fluid
   Cooling system liquid replacement. Check of frost resistance of a cooler. Visual check of the cooling system
   Removal of a sediment, replacement of the fuel filter. Removal of air from fuel system of the diesel engine
   Replacement of gearbox oil of a manual box of gear shifting
   Replacement of lubricant liquid of differential
   Check of thickness of the conducted clutch plate
+ Engine
+ Cooling systems, heating
+ 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

Check and adjustment of turns of idling of the engine and SO level


The engine has to be heated-up up to the normal working temperature, with correctly established corner of an advancing of ignition and the adjusted gaps of valves (where they are adjusted). The air filter has to be in good shape, and all electric components (including the air conditioning system where it is available) have to be switched off.

Petrol engine


1. Connect a tachometer and the SO measuring instrument to the engine. Mechanics use special WITH - a tester which probe is installed in the pipeline of system of release, but it is possible to use a usual tester which is inserted into an exhaust pipe. However pay attention that on models with the catalytic converter on an exhaust pipe it is impossible to receive the correct indications of contents WITH.
2. It is impossible to adjust manually idling turns as the stabilizing valve of idling is put in action by an electronic control unit. If at a normal working temperature of the engine turns of idling do not correspond to the values specified in Specifications, check system of an intake of air for existence of leaks, and also operation of the valve of idling.
3. Verify indications of the SO measuring instrument with the values given in Specifications. If adjustment is required, take a cap from the measuring instrument of an air stream and turn the adjusting screw before obtaining the required value (on some models the six-sided key can be required). In conclusion establish a new protective cap.

Diesel engine

The most complex problem at adjustment of idling is represented by accession of a tachometer as available and tachometers are intended to sale for connection to the coil of ignition of the petrol engine. It is possible to reach necessary adjustment of idling on condition of the correct adjustment of valves and the moment of injection of fuel.

Check of idling of the Diesel is made as follows:


1. Start and warm up the engine up to the working temperature. Disconnect from the engine everything electric consumers. If automatic transmission is established, switch the transmission to neutral situation.
2. Start the engine and check number of its turnovers of a tachometer or estimate it aurally. Uneven operation of the engine is at once felt.
3. If the speed of the engine goes beyond Specifications, the screw-driver turn the adjusting screw so that the engine worked evenly at single turns. For increase in speed the screw is rolled. The control lever gas at the same time moves outside.
4. Holding the adjusting screw the screw-driver, tighten a lock-nut.