Gasoline and diesel engines BMW 5 Series E39

General information about engines
BMW 5 Series cars are equipped with different engine designs: a 4-cylinder diesel engine with direct injection, 6-cylinder diesel and petrol engines, and a VB...

Petrol engine M52 (520i, 523i, 528i)
1 - ignition coils (6 pieces) 2 - camshafts 3 - hydraulic pusher 4 - oil pump 5 - poly V-belt 6 - coolant pump 7 - thermostat 8 - oil filter 9 - timing drive...

Diesel engine M51 (525tds)
1 - camshaft 2 - hydraulic pusher 3 - valve 4 - turbocharger 5 - thermostat 6 - coolant pump 7 - oil pump 8 - viscous coupling 9 - poly V-belt 10 - Poly V-belt...

Key engine characteristics
MS = gasoline engine management system; M = Motronic system; DDE = Digital Diesel Electronics - electronic digital control system for diesel engines. For the...

Removal and installation the lower engine compartment casing
Removal Raise the car. Using a screwdriver, loosen the Phillips-head "arrow" clamps securing the rear part of the casing by ¼ turn (under the engine oil pan)...

Removal and installation the intake manifold
6-cylinder petrol engine and 520d engine The intake manifold must be removed, for example, before removing the cylinder head or dismantling the engine. Special...

Removal and installation the cylinder head / replacing the cylinder head gasket
6-cylinder petrol engine Note: This section describes the removal and installation of the cylinder head of the M52 engine installed in vehicles up to 8/97....

Removal and installation the cylinder head (only M52TU engine installed on vehicles from 9/97)
Disconnect the compressed air line from the VANOS dual actuator "4". Note: After releasing the plugs, oil will start to flow out. Prepare clean rags and a...

Removal and installation the cylinder head — model 525tds
Note: This describes the removal and installation of the M51S engine head (model 525tds) Instructions for the M47 engine model 520d are given at the end of the...

Removal and installation the cylinder head — 520d models only (M47 engine)
Removal Caution: The operating procedures and instructions applicable to all diesel engines are given in the chapter dedicated to the 525tds engine. Only the...

Removal and installation the camshaft — 6-cylinder petrol engine
Since special BMW tools are required to perform the work, it is recommended that this work be performed at a BMW service station. Below is a description of how...

Removal and installation the camshaft — model 525tds
Note: This describes the removal and installation of the camshaft for the M51S engine (model 525tds). Instructions for the M47 engine (model 520d) are given at...

Removal and installation the camshaft — model 520d (engine M47) only
Removal Caution: Operating procedures and instructions applicable to all diesel engines are given in the chapter dedicated to the 525tds engine (m51S engine)....

Compression check
Compression testing allows you to draw conclusions about the condition of the engine. Namely, it allows you to determine whether the valves or pistons are in...

Removal and installation / tensioning the poly V-belt
A wide poly V-belt from the crankshaft drives the coolant pump, the fan with a viscous coupling and the generator. If there is an air conditioning system, the...

Engine fault diagnostics
When the engine does not start, a systematic approach is needed to identify the fault. In general, in order for a gasoline engine to start, two prerequisites...

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