BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
7.1. Systems of ignition, preheat and engine management
7.2. Systems of a charge and start
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment



7-sistemy-ehlektrooborudovaniya-dvigatelya.html

7. Systems of electric equipment of the engine

Specifications


Tension of the rechargeable battery, In 12
Operating procedure of cylinders
  • 6-cylinder engines
1-5-3-6-2-4
  • 8-cylinder engines
1-5-4-8-6-3-7-2
  • 12-cylinder engines
1-7-5-11-3-9-6-12-2-8-4-10
Type of spark plugs
  • M52 engines
NGK BKR 6EK or Bosch F7 LDCR
  • M52TU engines
NGK BKR 6E QYP
  • M60/1, M60/2 engines
NGK 6E EKG or Bosch F7 LDCR
  • M62 engine
NGK BKR 6EK
  • M73 engine
Bosch F8 LCR or Bosch F9 LCR
Resistance of the CKP sensor, Ohm 1280 ± 10%
Distance between the CKP sensor and a rotor, mm 1.0 ± 0.3
Consumption of current a glow plug after 5 from work, And no more than 13 ÷ 15
Glow plug temperature after 5 from work, °C
  • M51 engine
800
  • M57, M67 engines
850
Resistance of a glow plug, Ohm
  • M51 engine
4 ÷ 6
  • M57, M67 engines
0.5 ÷ 2
Rated voltage at the generator exit, In 14
Rated current/power of the generator, And/W 65/910, 70//980, 80//1120, …, 150//2100
Capacity of the noise suppressing condenser, мкФ 2.2 ± 20%
Adjustable tension at 1500 rpm, without consumers, In 13.5 ÷ 14.1
Rated power of a starter, W
  • M51, M57, M73 engines
2.2
  • M52, M60, M62 engines
1.7
  • Engine
2.6
Axial side play of an anchor of a starter, mm 0.1 ÷ 0.2
Length of a coal brush of a starter, mm not less than 13
Consumption of current on contact of the 50th starter (the involving//holding winding), And
  • At the rated power of 1.4 kW
54.5/10.5
  • At the rated power of 1.7 kW with a countershaft
51/9.5
  • At the rated power of 1.8 kW
50/12
  • At the rated power of 2.0 kW
54.5/10.5
  • At the rated power of 2.2 kW
58/13
  • At the rated power of 2.2 kW with a countershaft
60/10
  • At the rated power of 2.6 kW with a countershaft
50 / 12

Efforts of tightening of threaded connections, Nanometer

Fixture of a cover of a compartment of the operating electronics 4
Fixture of a positive wire (contact 30) to the relay of candles of an incandescence
  • M51 engine
4
  • M57, M67 engines
5
Fixture of a safety lock 80 A to the relay of candles of an incandescence 2
Glow plug
  • M51 engine
20
  • M57(TU), M67 engines
18
Glow plug plug bolt 4
Starter fixture to a transmission case 45
Fixture of a basic arm to a starter 5
Fixture of a basic arm to a case 47
Fixture of wires to a starter (M5//M6//M8 carving) 5/7///13
Thermofilter fixture to a starter 6
Fixture of contact D//B to the generator 7/13
Generator pulley fixture
  • The generator with water cooling
80
  • The generator with air cooling
70
Fixture of sensors of pressure and temperature of motive oil 27
Detonation sensor fixture 20
CKP sensor fixture 10
CMP sensor fixture 4
OZh temperature sensor fixture
  • M51 and M60 engines
18
  • Other engines
13
IAT sensor fixture 13
Pressurization pressure sensor fixture 4
MAF sensor fixture 4


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7.1. Systems of ignition, preheat and engine management