
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
		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. 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

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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 the fuel tank	see Specifications to the Head Nastroyki and routine maintenance of the car
Pressure at the exit of the fuel pump, atm
M51 engine
At H/H turns	0.1 ÷ 0.16
At 4800 rpm	0.06 ÷ 0.09
Minimum	- 0.1, it is long-0.2 on 10s
Maximum	+0.4
Pressure at the built-in pump	0.2 ÷ 0.3
M57 engine
At H/H turns	2 ÷ 3.5
Fuel return pressure	no more than 0.5
M67 engine
At H/H turns	0.05 ÷ 0.4
Fuel return pressure	no more than 0.5
Resistance of the sensor of a reserve 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
Consumption of current 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
Consumption of current fuel pump, And
M57 engine	no more than 11

TNVD, proofreader of composition of 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
M57, M67 engines	50 ÷ 240

M51 engine
Code designation 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 °C, 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	10/88
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
Preset value of adjustment in the provision of VMT	0.95 ± 0.03
Control value (chain service life more than 20000 km)	0.90 ÷ 0.78

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

Nozzles and pipelines of the M51 engine

Nozzle case type
Usual	KCA 21S71
With the sensor of raising of a needle	KCA 21S76/1
Nozzle case type	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 rise, 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, %
M52 B 28, M52TU engines	0.7 ± 0.5//0.5 ± 0.3
M60/1, M60/2, M62 engines	1.0 ± 0.5//no more 0.5
M73 engine	0.4 ÷ 1.6/no more than 0.5

Efforts of tightening of threaded connections, Nanometer

Turbocompressor fixture to a final collector	50
Hollow bolt of fastening of a tube of a supply of oil to a turbocompressor and a block/head of cylinders	25
Collars of fastening of hoses of nadduvochny air	6
Carving stopper in GRM cover
Carving of M20x1.5 and M40x1.5	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
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 the TNVD drive of the M51 engine	15
Fuel cut-off valve	20
The Verkhnepotochny catalytic converter to a turbocompressor
M57 engine	42
M67 engine	15
Collar of the back additional muffler	15
Electrical wiring fixture to the electronic catalytic converter	5
Fuel reserve sensor fixture to the soaking-up device	2
Fixture of assembly of the fuel pump to the fuel tank	6.5
Turbocompressor fixture to a final collector	50
Hollow bolt of fastening of the giving oil tube to a turbocompressor and the block of cylinders	25
Collars of fastening of hoses of nadduvochny air	6