BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car


BMW E30
+ 1. Maintenance instruction
- 2. Maintenance
   2.2. The recommended lubricants and liquids
   2.3. Frequency of service
   2.4. Features of routine maintenance of the car
   2.5. General information on additional maintenance
   2.6. Check of level of liquids
   2.7. Check of a condition of tires and pressure in tires
   2.8. Replacement of oil in the engine and an oil filter
   2.9. Check and restoration of level of liquid in a wheel
   2.10. Check of level of liquid in automatic transmission
   2.11. Shift of wheels
   2.12. Check and replacement of hoses in a motor compartment
   2.13. Check, adjustment and replacement of belts of the drive of hinged units
   2.14. Check and adjustment of turns and quality of mix (SO) of idling
   2.15. Check of a state and battery charging
   2.16. Check and replacement of candles
   2.17. Check of high-voltage wires, runner and cover of the distributor
   2.18. Check of level of oil in the manual transmission
   2.19. Check of level of oil in the main transfer
   2.20. Check and adjustment of gaps in valves (except the M40 engine)
   2.21. Draft of a butterfly valve
   2.22. Replacement of the air filter
   2.23. Check of fuel system
   2.24. Check of the cooling system
   2.25. Check of the exhaust system
   2.26. Check of shock-absorbers, suspension bracket and steering
   2.27. Check of covers of half shafts
   2.28. Check of brakes
   2.29. Check of brushes of screen wipers
   2.30. Replacement of liquid in automatic transmission and the filter
   2.31. The cooling system – replacement of liquid and washing
   2.32. Replacement of the fuel filter
   2.33. Replacement of oil in the manual transmission
   2.34. Replacement of oil in a case of the main transfer
   2.35. Check of system of catching of vapors of gasoline (EVAP system)
   2.36. Installation of the light alarm system of need of servicing
   2.37. Replacement of a gear belt
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Useful tips


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2. Maintenance

2.1. Specifications
GENERAL INFORMATION

Engine
Type of an oil filter:
  – M10 engine
Champion C 121
  – M20, M30 engine
Champion C 160
  – M40 engine
Champion X 120
Gaps in valves (inlet and final, oo):
  – M10 engine:
     • on cold
0,20
     • on heated-up
0,25
  – M20 engine:
     • on cold
0,25
     • on heated-up
0,30
  – M30 engine:
     • on cold
0,30
     • on heated-up
0,35
Cooling system
Composition of liquid
40% of antifreeze / 60% of water
Fuel system
Turns of idling (rpm):
  – 3rd series, E30:
     • model 316, M10/B18 engine
850 (± 50)
     • model 316i, M10/B16 engine
800 (± 40)
     • model 318i, M10/B18 engine (manual transmission)
850 (± 50)
     • model 318i, M10/B18 engine (automatic transmission)
750 (± 50)
     • model 318i, M40/B18 engine
800 (± 40)
     • model 320i, the M20/B20 engine (with system of injection L-Jetronic)
800 (± 50)
     • model 320i, the M20/B20 engine (with system of injection Motoronic)
760 (± 40)
     • model 323i, the M20/B20 engine (with system of injection Motoronic)
760 (± 40)
     • model 323i with system of injection K-Jetronic
850 – 950 (with the L-Jetronic 700-800 system)
     • model 325i, M20/B25 engine
760 (± 40)
Contents WITH at 3000 rpm (%):
  – 3rd series, E30:
     • model 316, M10/B18 engine
0,5 – 1,0
     • models 316i and 318i, M40/B16 engine
0,7 (± 0,5)
     • model 318i, M10/B18 engine
not higher than 1,0
     • model 320i, M20/B20 engine (system of injection L-Jetronic)
1,0 (± 0,5)
     • model 323i (idling)
from 1 to 2%
     • model 325i, M20/B25 engine
1,0 (± 0,5)
Type of the air filter
M10 engine
Champion W155 (round) or U504 (square)
M20, M30 engine
Champion U504 or U527
M40 engine
Champion U527
Type of the fuel filter (all injector models)
Champion L206
System of ignition
Type of spark plugs:
  – M10, M20, M30 engine
Champion N9YCC
  – M40 engine
Champion C9YCC
Gap between electrodes
0,8 mm (only for candles like Champion)
Brake system
Extreme thickness of overlays of disk brakes
2,0 mm
Extreme thickness of overlays of drum brakes
2,0 mm
Type of brushes of a screen wiper
Windshield
Champion H-5103
Brush from the passenger (since 1991)
Champion H-5103 (20-inch) or Champion H-5303 (21-inch)
Back glass
Champion H-4503
Pressure in tires (kgf/cm2)
3 series, E30:
  – model 316
1,9 (lobbies), 2,1 (back)
  – 316i:
     • sedan
2,0 (lobbies), 2,1 (back)
     • versatile person
2,0 (lobbies), 2,2 (back)
  – 318i
1,8 (lobbies), 1,9 (back)
  – 320i
1,9 (lobbies), 2,0 (back)
  – 325i
2,2 (lobbies), 2,3 (back)

Moments of an inhaling (H.M.)

Automatic transmission pallet bolts:
  – 3-speed
8 – 9
  – 4-speed
5 – 7
Spark plugs:
  – M10 engine
20 – 30
  – the others
30 – 33
Oxygen sensor (lambda probe)
30 – 33
Bolts of wheels
100