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
+ 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
- Onboard electric equipment
+ Dignostic of electric elements
- Lighting and alarm system
Removal and installation/check of a sound signal
Initialization of remote control
Replacement of glow lamps of external lighting
Replacement of glow lamps of internal lighting
Removal and installation of a headlight
Removal and installation of a ring cover of a headlight
Removal and installation of the electric motor of adjustment of range of light
Adjustment of headlights
Gas-discharge lamps of passing beam (xenon lamps)
Removal and installation of a back lamp
+ Devices and equipment
+ Schemes of electric equipment
Gas-discharge lamps of passing beam (xenon lamps)In comparison with halogen lamps of the main complete set of a headlight with gas-discharge lamps (xenon lamps) have brighter passing beam similar to daylight. Gas-discharge lamps reach the full capacity through 3 from later inclusion. At gas-discharge lamps the flask is filled with xenon gas, and light is created as a result of fire of an arch owing to application of tension between two electrodes. Electronic monitors and the source creating quickly tension 28.000 B for ignition of a light arch are necessary for work of a gas-discharge lamp. For creation of double luminous intensity of the 55 W usual lamp for a gas-discharge lamp enough power is 35 W.
Gas-discharge lamps have big service life. Their replacement if it in general is required, carried out in several years of operation.
Dynamic adjustment of range of light of headlights with gas-discharge lamps
For an exception of the blinding action on counter transport of a headlight are equipped with dynamic adjustment of range of light which automatically establishes range of light of headlights depending on various loading of the car.
Sensors on forward and back suspension brackets register each change of level of the car. The electronic monitor processes signals of sensors and via electric motors as appropriate regulates the provision of reflectors of headlights.
Manual adjustment of range of light is not provided. With malfunction in system of electric adjustment of a headlight automatically are established in the lowermost situation.
Adjustment and reading of indications of memory of malfunctions of headlights with gas-discharge lamps requires the special BMW diagnostic unit. Address the Section Diagnostics of Malfunctions. These works can be performed only on HUNDRED.
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