Car engine overhaul BMW 3 Series E46

Engine specifications
Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold Engine Designation...

Design and characteristics of engines
Engine M43TU (316i, 318i) 1 - cylinder head cover 2 — camshaft 3 - roller rocker 4 - hydraulic valve clearance compensator 5 - spark plug 6 — balancing shaft 7...

Removal and installation the lower engine compartment cover
Removal Lifting and placing the vehicle on stands is dangerous! Therefore, please read Section Jacking and towing . 1. Raise and support the vehicle on stands....

Removal and installation the air intake box
The air intake box must be removed if the cylinder head cover or intake manifold needs to be removed. Removal 1. Remove the air filter element for the cabin...

Compression check
Compression testing allows you to draw conclusions about the condition of the engine. During the test, you can determine whether the valves and pistons are in...

Removal and installation the intake manifold
The intake manifold must be removed, for example, when removing the cylinder head or engine. Model 316i, 318i (m43TU engine) Removal 1. Disconnect the negative...

Removal and installation the cylinder head / replacing the sealing gasket
The cylinder head can only be removed when the engine is cool. To protect against damage to the paintwork, install protective pads or appropriate covers on the...

Removal and installation camshafts
The camshafts of a 4-valve engine can be removed if, for example, it is necessary to loosen the cylinder head mounting bolts. Since this requires a special BMW...

Removal and installation the vacuum pump (model 320d)
Since a diesel engine does not have a vacuum when sucking in air, the vacuum for the brake booster is created by a vacuum pump. The vacuum pump is mounted at...

Removal, installation and tensioning the V-belt
Please also refer to Section Checking the condition of ribbed drive belts . The crankshaft transmits movement to the coolant pump and generator via a wide...

Description of the engine lubrication system
The engine is lubricated with all-season oil, which eliminates the need to change the oil when changing the season (summer/winter). The basis of this oil is...

Oil circulation circuit
The engines are equipped with a so-called pressure lubrication system. The oil pump sucks engine oil from the oil pan through a mesh and supplies it under...

Removal and installation the oil pan
Removal Due to the limited space available to remove the oil pan, both engine mounts must be disconnected and the front suspension beam must be lowered. 1....

Checking oil pressure
Oil filter housing 2 - cover bolt 9 — filter housing sealing gasket 10 — mounting bolt 11 — oil filter housing 12 — oil pressure relay switch sensor If the oil...

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