Electrical equipment M54 engine of car BMW X5 E53

Ignition timing control subsystem
The ignition timing subsystem is a fully electronic ignition system combined with a fuel injection control subsystem, consists of a common ECU-ECU for both...

Ignition coil — general information
The ignition coils are mounted directly on the spark plugs, interconnected by a sintered radio interference suppression core, and bolted to the cylinder head....

Spark plugs — general information
Spark plugs with triangular «massive» electrode, are made with a 16 mm turnkey thread. Standard for engines «M52» are Bosch F7 LDCR spark plugs (Germany), but...

Checking ignition coils
Attention! When carrying out checks of the ignition system, strictly observe the safety requirements. The order of operation of cylinders 1-5-3-6-2-4. Checking...

Ignition coil defects
Analysis of the maximum values of the breakdown voltage and the process of attenuation of vibrations for the crankshaft speed at idle (pic. 3.45). 1 - the...

Spark plug defects
Analysis of the curve of the maximum value of the breakdown voltage at the crankshaft speed at idle (pic. 3.48): 1 - the normal maximum value of the breakdown...

Checking the signal in the secondary circuit of the static ignition distribution system
To check the signal in the secondary target of the static ignition distribution system, it is necessary to prepare a tool «12.7.030». Remove ignition coil....

Checking the generator and voltage regulator
Checking the generator and voltage regulator must begin with the following conditions: correct connection and full charge of the battery; correct connection of...

Removal and installation of the generator
The replacement of the BMW X5 E53 generator must be carried out in the following order, read the information from the fault memory of the ECU-KSUD. Switch off...

Removal and installation of a starter
The replacement of the BMW X5 E53 starter must be carried out from below, in the following order. Switch off the ignition and disconnect «-» terminal from AB....

Removal and installation of the ignition coil
The replacement of the BMW X5 E53 ignition coil must be carried out in the following order, read the information from the fault memory, turn off the ignition...

Removal and installation of spark plugs
Spark plugs must be replaced in the following order. Prepare fixtures «12.1.171» And «12.1.200». Remove the ignition coils and using the tool «12.1.171» with...

Replacing the sensors of the engine management system
Attention! Upon completion of the replacement of engine parameter sensors, it is necessary to read information about malfunctions from the memory of the memory...

Replacing the A/C Compressor Drive Belt
The design of individual modifications of the engine provides for the presence of a hydraulic (pic. 3.168, a) or mechanical (pic. 3.168, b) tensioner. The air...

Replacing the alternator drive belt
The M54 engine is equipped with three-phase alternating voltage generators from two companies - Baleo (Italy) type A13V118 and Bosch (Germany) type NC 14V...

Alternator Belt Pulley Replacement
The replacement of the alternator belt pulley must be carried out in the following order. Prepare fixture «12.7.110». Remove the alternator drive belt....