BMW 3 Series E46

since 1998 release

Repair and operation of the car



BMW 3 Series E46
+ BMW 3 cars (E46)
+ Current leaving and service
- Engine
   + Procedures of repair of the engine
   + Engine lubrication system
+ Cooling systems, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment





Engine

Specifications

General parameters

Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type


Designation of the engine (Type)//Beginning of release

316i

M43TU (OHC)//9/98

318i

M43TU (OHC)//4/98

320i

M52TU (DOHC)//4/98

323i M52TU (DOHC)//4/98
325i M52TU (DOHC)//4/98
328i M52TU (DOHC)//4/98
330iM54//9/99
M3 S52 (DOHC)//-/99
320d M47 (DOHC)//4/98
330d M57U//-/99
Working volume of cylinders, cm3

316i

1895

318i

1895

320i

1991
323i 2494
325i 2494
328i 2793
330i2979
M3 3246
320d 1951
330d 2926
Power, kW (h.p.) at rpm//Torque, H · m at rpm

316i

77(105)/5300//165/2500

318i

87(118)/5500//180/3900

320i

110(150)/5900//190/3500
323i 125(170)/5500//245/3500
325i 141(192)/6000//245/3500
328i 142(193)/5500//280/3500
330i(231)/5900 / 300/3500
M3 (342)/7900 / 356/4900
320d 100(136)/4000//280/1750
330d (184)/4000 / 390/1750
Arrangement/number of cylinders//Number of valves on the cylinder

316i

line / 4//2

318i

line / 4//2

320i

line / 6//4
323i line / 6//4
325i line / 6//4
328i line / 6//4
330iline / 6//2
M3 /6 / 4 4
320d line / 4//4
330d line / 6//4
Diameter of cylinders, mm

316i

85.0

318i

85.0

320i

80.0
323i 84.0
325i 84.0
328i 84.0
330i84.0
M3 87.0
320d 84.0
330d 84.0
The 1st repair+0.250
The 2nd repair+0.500
Course of pistons, mm

316i

83.5

318i

83.5

320i

66.0
323i 75.0
325i 75.0
328i 84.0
330i89.6
M3 91.0
320d 88.0
330d 88.0
Extent of compression

316i

9.7

318i

9.7

320i

11.0
323i 10.5
325i 10.5
328i 10.2
330i11.0
M3 11.3
320d 19.0
330d 18.0
Pressure of a compression, bar
Petrol engines
standard value (new)9-14
limit of wear7.5
Diesel engines
standard value (new)25-31
limit of wear19.0
Pistons
Gap in the cylinder0.03
Wear limit0.06
Piston rings
Gap in a flute, mm
Compression0.02-0.07
Oil scraper0.02-0.06
Wear limit0.12
Gap in a lock/limit of wear, mm
Compression0.15-0.40/0.8
Oil scraper0.25-0.50/1.0
Three-component oil scraperto 1.0/1.3
Admissible minimum height of a head of cylinders
M43TU engines
Nominal size141.0 mm
Processing limit140.55 mm
M52TU engines
Nominal size140.0 mm
Processing limit139.70 mm
Bent shaft
Radical bearings
Gap/limit of wear, mm0.02-0.06/0.17
Maximum ovality, mm0.03
Conrod bearings
Gap/limit of wear, mm0.01-0.06/0.12
Axial side play crankshaft / limit of wear, mm0.07-0.17/0.25
Valvate gaps Adjustment is not required as hydrocompensators are used
Lubrication system Compulsory circulating system with the gear oil pump
Motive oil
Type
Petrol engines
Viscosity of SAE OW-30: CASTROL Formula SLX, DEA Ultec Syn-T, ESSO Ultron (Fuel Economy), SHELL Helix Ultra, VEEDOL Syntrhon.
Viscosity of SAE OW-40: ARAL Super Tronic, AVIA SYNTH, BMW Super Power Spezial, BP VISCO 7000, MOBIL 1, SHELL Helix Ultra.
Viscosity of SAE 5W-30: AGIP TECSINT, ARAL Super Tronic, BMW Super Power Plus, CASTROL TXT, DEA Viscobil S1, FINA FE 2000 5W-30, LIQUI MOLY Profi Synthol, MOBIL 1, MOBIL 1 Rally Formula, SHELL Helix Ultra, VALVOLINE Syn Power, VEEDOL Spezial R Plus.
Viscosity of SAE 5W-40: AGIP Extra HTS, ARAL Super Tronic, AVIA SYNTH, BMW Super Power, BP Visco 5000, DEA Viscobil S1, ELF Synthese, ESSO Megatron, FINA First, FINA Motortronic RS, LIQUI MOLY Synthoil High Tech, MOBIL 1, MOBIL 1 Rally Formula, MOTUL Synergie, SHELL Helix Plus, SHELL Helix Ultra, TOTAL Activa 9000, TOTAL quartz 9000, VALVOLINE Syn Power.
Diesel engine 320d
Any motive oils which are at the same time meeting standards of ACEA A3-96 and ACEA B3-96. Viscosity: OW-X, 5W-X and 10W-X. Here X are designated by any value, for example 30, 40 or 50.
Volume, with replacement of the filter
316i 4.0
318i 4.0
320i 6.5
323i 6.5
328i 6.5
320d 5.0
Difference between the marks "max" and "min" in a measuring core 1 liter
Pressure in system, bar
On single turnsnot less than 0.5
Petrol engines on 5000 rpm4.0 – 4.5
Diesel engines on 4000 rpm3.7 – 4.7
Reducing valve
Pressure of opening, bar4.0
Cooling system Circulating, with the water pump, the thermostat, the fan and a lamellar and tubular radiator
Volume of cooling liquid
316i 6.0
318i 6.0
320i 8.4
323i 8.4
328i 8.4
320d 7.0
Air filterDry, with a paper element
Ridge maple belts
318i 6 PK x 1733 (5 PK x 950)
320d 5 PK x 2030 (5 PK x 836)
320i, 323i, 328i6 PK x 1538 (5 PK x 863)
Fuel

316i

unleaded, is not worse than AI 95

318i

unleaded, is not worse than AI 95

320i

unleaded, is not worse than AI 983)
323i unleaded, is not worse than AI 983)
325i unleaded, is not worse than AI 98
328i unleaded, is not worse than AI 983)
330iunleaded, is not worse than AI 983)
M3 unleaded, is not worse than AI 983)
320d Diesel
330d Diesel
3) Filling with AI 95 gasoline with insignificant deceleration of power of the engine is possible. AI 91 can be applied only in exceptional cases.
Control system dvigatelem1)

316i

BMS 46

318i

BMS 46

320i

Siemens MS 42.0
323i Siemens MS 42.0
325i Siemens MS 42.0
328i Siemens MS 42.0
320d DDE Bosch 3.0
330d DDE Bosch 3.0
1) BMS - a control system of the BMW engine. MS - a control system of the engine (Motronic). DDE - a digital control system of the diesel engine
System of anti-blocking of brakes of ABS the dynamic system of stabilization of stability which is built in ABS - DSC3, on the early E46 models the traction control system - (Teves ABS/ASC Mark20ET)
System of ensuring additional safety of SRS MRS2, MRS3
AT with electronic control of EGS/AGS A5S 360R Siemens AGS 20
Efforts of tightening of threaded connections
The moments of an inhaling of fixture are given also in the text of the Head and on some illyustratsiyakh*.

* The moments of an inhaling highlighted in the text in bold type are subject to exact observance; the efforts which are not highlighted in bold type are given only approximately
Bolts of a head of the block of cylinders
M43TU engines
1st reception30 H · m
2nd reception90 °
3rd reception90 °
M52TU engines
1st reception40 H · m
2nd reception90 °
3rd reception90 °
M47 engines
1st reception80 H · m
2nd reception180 °
3rd reception50 H · m
4th reception90 °
5th reception90 °
Pulling up of bolts of fastening of a head of cylinders on the warm engine, when carrying out service or repair is not allowed.
Bolts of fastening of the lower part of the inlet pipeline to a head of cylinders
M6 10 H · m
M7 15 H · m
M822 H · m
Support of the engine and arm
M8 bolt 22 H · m
M10 bolt47 H · m
Masloslivny stopper
M12 (on a turn-key basis 17 mm)25 H · m
M22 60 H · m
Carving stopper of blocking of a natyazhitel of a chain (320d)30 H · m
*) Replace a sealing ring
Asterisks to camshafts (320d)20 H · m + 35 °
Bolts of fastening of a flywheel to a bent shaft
316i, 318i120 H · m
320i, 323i, 328i, 320d105 H · m
Bolts of fastening of a flange of the check point
M8 22 H · m
M1045 H · m
M1270 H · m
Oil pressure sensor35 H · m
Spark plugs25 H · m








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