
BMW 7_ая the E38 series from 1994 to 2002
	1. Introduction
	2. Governing bodies and operation receptions
	3. Settings and routine maintenance of the car
	4. Engine
	5. Systems of cooling of the engine, heating, ventilation and air conditioning
	6. A power supply system and production of the fulfilled gases
		6.1. General information and security measures
		6.2. Power supply system of petrol engines
		6.3. Power supply system of diesel engines
		6.4. Systems of release and decrease in toxicity of the fulfilled gases
	7. Systems of electric equipment of the engine
	8. Manual box of gear shifting and coupling
	9. Automatic transmission
	10. Kardanny and power shafts, reducer, differential and stupichny assemblies
	11. Brake system
	12. Suspension bracket and steering
	13. Body
	14. Onboard electric equipment
	15. Electric equipment schemes

6-sistemy-pitaniya-i-vypuska-otrabotavshikh-gazov.html

6. A power supply system and production of the fulfilled gases

Specifications

Power supply system

Power supply system type
Petrol models	The distributed consecutive injection, under control of ECM
Diesel models	Direct injection, with the distributive highway («Common Rail») or with distributive TNVD, under control of ECM
Type of a control system of the engine
Diesel engines	DDE 2.1
M52	DME MS41.0 (Siemens Motronic MS41)
M60	DME Bosch Motronic (3.3)
M62
35 8S 1	Bosch Motronic ME5.2
35 8S 2 and 44 8S 2	Bosch Motronic ME7.2
M62	DME 5.1
M73	Bosch Motronic ME5.2
Type of fuel and volume of a fuel tank	see. Specifications to Head of Control and routine maintenance of the car
Pressure on an exit of the fuel pump, atm
M51 engine
At turns X/x	0.1 ÷ 0.16
At 4800 rpm	0.06 ÷ 0.09
The minimum	- 0.1, for a long time-0.2 on 10с
The maximum	+0.4
Pressure at the built-in pump	0.2 ÷ 0.3
M57 engine
At turns X/x	2 ÷ 3.5
Pressure of return of fuel	no more than 0.5
M67 engine
At turns X/x	0.05 ÷ 0.4
Pressure of return of fuel	no more than 0.5
Resistance of the sensor of a stock of fuel, Ohm
At an empty tank (85 l//95 l)	65 ÷ 90//15 ÷ 40
At a full tank (left//right tank)	480 ÷ 494//470 ÷ 484
Working pressure of the fuel pump, atm
Diesel models	0.4
Petrol models	3.5
Current consumption by the fuel pump, And
Diesel models	no more than 6
Petrol models	not less than 9.5
Working pressure of the main fuel pump, atm
M57 engine	no more than 3.8
Current consumption by the fuel pump, And
M57 engine	no more than 11

TNVD, proof-reader of structure of a mix

Sensor of pressure of pressurization of the engine
Supply voltage, In	5 ÷ 0.25
Range of measurement of pressure, kPa
M51 engine	50 ÷ 250
Engines M57, M67	50 ÷ 240

M51 engine
Code designation of TNVD	VP 15VE 6/10 E2400 R 515
Tension of turning on of the emergency valve, In	not less than 10
Resistance of the emergency valve at 20°С, Ohm	7.5 ± 2
Maximum//the minimum pressure in TNVD (at 40 ÷ 60 °C), atm
At 700 rpm	6.5/4.5
At 4800 rpm	10/8 8
Pressure of opening of the perepuskny valve, atm	not less than 3.5
TNVD given for static adjustment (at primary installation or a new driving chain), mm
Adjustment preset value in situation VMT	0.95 ± 0.03
Control value (chain service life more than 20000 km)	0.90 ÷ 0.78

Engines M57, M67
Code designation of TNVD (M57//M67)	CP1//CP3.3
Pressure in TNVD	to measurement does not give in
Pressure in the fuel distributive highway of "Common Rail" at frequency of rotation of a starter, atm	not less than 250

Nozzles and M51 engine pipelines

Type of the case of a nozzle
The usual	KCA 21S71
With the sensor of lifting of a needle	KCA 21S76/1
Type of the case of a nozzle	DNO SD 300
Pressure of the beginning of injection, atm
Adjustable size	150 ÷ 158
Minimum//maximum size	140/160
Maximum admissible difference of pressure of the beginning of lifting, atm	10
Thickness of an adjusting washer, mm	1.0 ÷ 2.0

System of release of OG

The maintenance of CO to / after the catalytic converter, %
Engines M52 B 28, M52TU	0.7 ± 0.5//0.5 ± 0.3
Engines M60/1, M60/2, M62	1.0 ± 0.5//no more than 0.5
M73 engine	0.4 ÷ 1.6/no more than 0.5

Efforts of a tightening of carving connections, Nanometer

Turbokompressor fixture to a final collector	50
Hollow bolt of fastening of a tube of a supply of oil to a turbokompressor and a block/head of cylinders	25
Collars of fastening of hoses of nadduvochny air	6
Carving stopper in GRM cover
M20x1.5 and M40x1.5 carving	30
M30x1 carving	70
Fixture of assembly of nozzles (M51 engine)	80
Cap nuts of fastening of the fuel line to TNVD and assembly of nozzles (M51 engine)	20
Nozzle (to a cover of a head of the block of cylinders) – M57//M67 engines	9/30
The pressure sensor to the fuel distributive highway	38
Pressure regulator to TNVD	9
The valve of adjustment of pressure to the fuel distributor	5
Pressure regulator to the fuel distributive highway	80
Hollow bolt of fastening of the returnable line to the fuel distributive highway	25
Fixture of an asterisk of TNVD of M51//M57 and M67 engines	50/65
Fixture of a natyazhitel of a chain of a drive of TNVD of the M51 engine	15
Valve of an otsechka of fuel	20
The Verkhnepotochny catalytic converter to a turbokompressor
M57 engine	42
M67 engine	15
Collar of the back additional exhaust silencer	15
Electroconducting fixture to the electronic catalytic converter	5
Fixture of the sensor of a stock of fuel to the soaking-up device	2
Fixture of assembly of the fuel pump to a fuel tank	6.5
Turbokompressor fixture to a final collector	50
Hollow bolt of fastening of a submitting oil tube to a turbokompressor and the block of cylinders	25
Collars of fastening of hoses of nadduvochny air	6