BMW E30 + 1. Maintenance instruction + 2. Maintenance + 3. Engine + 4. Cooling system + 5. Heating and ventilation - 6. Fuel system 6.2. Specifications 6.3. Check of system of injection 6.4. Air stream measuring instrument 6.5. Throttle branch pipe 6.6. Fuel pressure regulator 6.7. Nozzle of launch of the cold engine and thermotimer 6.8. Check and replacement of nozzles 6.9. Air proofreader of idling 6.10. Order of a decompression of fuel system 6.11. Check of pressure of fuel 6.12. The fuel pump, the pump of pumping and the fuel level sensor in a tank 6.13. Fuel pipes and union 6.14. Fuel tank 6.15. Air filter 6.16. Cable of the drive of a butterfly valve 6.17. Carburetor + 7. Exhaust system + 8. Transmissions + 9. Coupling + 10. Brake system + 11. Running gear + 12. Body + 13. Electric equipment + 14. Useful tips
|
Carburetor (Solex 2B4 type)
Main jet: |
– 1st camera |
X120
|
– 2nd camera |
X90
|
Jet of the air proofreader: |
– 1st camera |
135
|
– 2nd camera |
75
|
Diameter of the big diffuser: |
– 1st camera |
24 mm
|
– 2nd camera |
28 mm
|
Air jet of idling: |
– 1st camera |
50/120
|
– 2nd camera |
40/125
|
Diameter of the needle valve of the float-operated camera |
2,0 mm
|
Gap of the air gate |
4 – 5,5 mm
|
Preliminary tightness of a spring of the sensor of an angle of rotation of a butterfly valve |
22 – 24 mm
|
The control size for installation of a float: |
– 1st float-operated camera |
27 – 28 mm
|
– 2nd camera |
29 – 31 mm
|
Carburetor (Solex 2BE type)
Main jet: |
– 1st camera |
X120
|
– 2nd camera |
X110
|
Jet of the air proofreader: |
– 1st camera
|
140
|
– 2nd camera
|
70
|
Diameter of the big diffuser: |
– 1st camera |
24 mm
|
– 2nd camera |
28 mm
|
Fuel jet of idling: |
– 1st camera |
47,5
|
Air jet of idling: |
– 2nd camera |
180
|
Diameter of the needle valve of the float-operated camera |
2,0 mm
|
Gap of the air gate |
4 – 5,5 mm
|
Resistance of a winding of the sensor of an angle of rotation of a butterfly valve |
0,97 – 1,63 Ohms
|
Resistance of the sensor of temperature of the sucked-in air: |
– at -10 °C |
8200 – 10500 Ohms
|
– at -20 °C |
2200 – 2700 Ohms
|
– at 80 °C |
300 – 360 Ohms
|
The control size for installation of a float: |
– 1st float-operated camera |
27 – 28 mm
|
– 2nd float-operated camera |
29 – 31 mm
|
Control pressure of fuel (carburetor engine, idling) |
0,1 – 0,3 kgfs/cm2
|
The systems of injection given for check |
Pressure of fuel, kgf/cm2:
|
– 316i, M40/B16 engine |
3,0 (±0,06)
|
– 318i, M10/B18 engine |
2,5 – 3,0
|
– 318i, M40/B18 engine |
3,0 (±0,06)
|
– 320i, the M20/B20 engine (with system of injection L-Jetronic) |
2,5 – 3,0
|
– 320i, the M20/B20 engine (with system of injection Motronic) |
2,5 (±0,05)
|
– 325i, M20/B25 engine |
3,0 (±0,05)
|
Pressure in fuel system after an engine stop |
2,1 kgfs/cm2
|
The fuel pressure developed by the pump |
6,3 – 6,9 kgfs/cm2
|
Fuel pressure in the pump after an engine stop |
5,5 kgfs/cm2
|
Pumping pump fuel pressure |
0,28 – 0,35 kgfs/cm2
|
Resistance of nozzles |
14,5 – 17,5 Ohms
|
Free wheeling of a cable of a butterfly valve |
1,0 mm
|
Inhaling moments (N. of m)
Fastening of the carburetor |
10
|
Fastening of the pump |
12
|
Bolts and nuts of a throttle branch pipe |
19 – 28
|
|
|