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E46 (1998-2006) E46 (1998-2006, petrol) E36 (1990-2000) E30 (1982-1994) E21 (1975-1983)
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  • BMW 3 Series
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  • 4 cylinder engines
  • Tightening force of connections, Nm

Tightening force of connections, Nm (BMW 3 Series E46)

            0

Valve timing adjustment unit to camshaft (n42 engine)
  • 1st stage - 20
  • 2nd stage - Turn to an angle of 90°
  • 3rd step - Turn to 90° angle

Automatic transmission to engine mounting bolts



Hexagon head bolts:
  • Bolts M8 - 25
  • Bolts M10 - 45
  • Bolts M12 - 82

Slotted head bolts:
  • Bolts M8 - 21
  • Bolts M10 - 42
  • Bolts M12 - 72

Screws for fastening the balance shaft housing to the crankcase *:
  • 1st stage - 25
  • 2nd stage - Turn to an angle of 90°

Covers for balance shaft supports to the lower section (m43TU engine)*:
  • 1st stage - 22
  • 2nd stage - Turn to an angle of 100°

Bolts for fastening the lower connecting rod head caps *:
  • 1st stage - 20
  • 2nd stage - Turn 70° further

Nuts for fastening the camshaft support caps:
  • Nuts M6 - 10
  • Nuts M7 - 15
  • Nuts M8 - 20

Pin screwed into the camshaft - 20

Camshaft Sprocket Bolts:
  • Bolts M6 - 10
  • Bolts M7 - 15

Crankshaft hub bolt*:
  • Engine N42 - 300
  • Engine M42TU - 330

Crankshaft rear oil seal housing mounting bolts:
  • Bolts M6 - 10
  • Bolts M8 - 22

Bolts for fastening the vibration damper to the crankshaft hub:
  • Engine N42-34
  • Engine M43TU - 22

Cylinder Head Bolts*:
  • 1st stage - 30
  • 2nd stage - Turn 90° further
  • 3rd stage - Turn 90°

Cylinder Head Cover Bolt Cap (n42 engine) — 45

Cylinder Head Cover Bolts:
  • Bolts M6 - 10
  • Bolts M7 - 15

Crankshaft faceplate mounting bolts* (automatic transmission) — 120

Screw of magnetic rotor of eccentric position sensor (n42 engine) — 8

Front amplifier *:
  • 1st stage - 59
  • 2nd stage - Turn 90° further
  • 3rd stage - Turn 30° further

Front Subframe Bolts*:
  • Bolts M10 - 45
  • Bolts M12 8.8 - 77
  • Bolts M12 10.9 - 105

Lower suspension arm bracket to body mounting bolts — 59



Flywheel to crankshaft mounting bolts *:
  • Engine N42 - 130
  • Engine M43TU - 120

Main Bearing Cap Bolts*:

1st stage - 20

2nd stage:
  • Engine N42 - Turn 70°
  • Engine M43TU - Turn 50°

Bolts securing the manual transmission to the engine:

Hex Head Bolts:
  • Bolts M8 - 25
  • Bolts M10 - 49
  • Bolts M12 - 74

Slotted head bolts:
  • Bolts M8 - 22
  • Bolts M10 - 43
  • Bolts M12 - 72

Oil pressure alarm sensor - 27

Oil pump to cylinder block (m43TU engine) — 23

Oil pump cover - 10

Oil pump sprocket:

Engine N42 - 30

Engine M43TU:
  • M6 - 10
  • M10 - 25

Oil Sprayer - 10

Steering gear support nuts * - 42

Pallet:

Engine N42* — 30

Engine M43TU:

Upper section:
  • M6 - 12
  • M8 - 22

Bottom section:
  • M6 - 12
  • M8 - 22

Drain plug of the pan:
  • M12 - 25
  • M18 - 30
  • M2 2 - 60

Lower plug of the timing chain cover - 45

Upper/Middle Timing Chain Cover Cap - 25

Timing Chain Cover:
  • M6 - 10
  • M7 - 15
  • M8 - 22
  • M10 - 47

Timing Chain Tensioner Plug - 40

Timing Chain Tensioner Cylinder:
  • Engine N42-65
  • Engine M43TU - 50

* Do not reuse

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Article verified: Ilyinsky Matvey

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БМВ E46: 4 cylinder engines
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Technical data
General information
Compression Test — Description and Analysis of Results
Setting the engine to the top dead center position of piston No. 1
Cylinder Head Cover — Removal and Installation
Crankshaft pulley and vibration damper — removal and installation


Similar articles on other types of BMW cars:
Tightening torques for main threaded connections BMW 5 Series E12 (1972-1981)
Checking electrical connections BMW 5 Series E34 (1988-1996)
Tightening torques of the main connections of the M54 engine BMW X5 E53 (1999-2006)
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How much 20 + 38 =

       



BMW E46 (1998-2006) 
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  • Manual
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  • Power unit
  • Engine repair
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  • Power system (gasoline)
  • Injection system (gasoline)
  • Fuel system (diesel)
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  • Ignition system
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  • Transmission
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  • Clutch and drive shafts
  • Chassis
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  • Suspension front and rear
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  • Exterior
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  • Equipment and devices
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BMW E46 (1998-2006, petrol) 
  • General information
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  • Repair on the road
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  • Power unit
  • 4 cylinder engines
  • 6 cylinder engines
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  • Ignition system
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BMW E36 (1990-2000) 
  • General information
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  • Cooling system
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  • Supply system
  • Fuel injection system
  • Exhaust system
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BMW E30 (1982-1994) 
  • Power unit
  • M10/M20 engine
  • M40 engine
  • Ignition system
  • Lubrication system
  • Cooling system
  • Supply system
  • Fuel injection
  • Exhaust system
  • Transmission
  • Clutch
  • Manual gearbox
  • Front axle
  • Rear axle
  • Chassis
  • Steering
  • Brake system
  • Body
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  • Interior
  • Electrical equipment
  • Heating system
  • Equipment and devices
  • Electrical circuits
BMW E21 (1975-1983) 
  • General information
  • Specifications
  • Operation and maintenance
  • 4-cylinder engine
  • Engine repair
  • Cooling and lubrication system
  • Supply system
  • Ignition system
  • 6-cylinder engine
  • Engine repair
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  • Supply system
  • Fuel injection system
  • Ignition system
  • Transmission
  • Clutch
  • 4-speed manual gearbox
  • 5-speed manual gearbox
  • Automatic gearbox
  • Cardan and rear axle
  • Chassis
  • Steering
  • Front suspension
  • Rear suspension
  • Brake system
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
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