According to the regulatory rules established in most countries, the cut-off line (a conditional line at the place where the beam passes from headlights into darkness) is a fundamental characteristic of vehicle lighting. When the machine is overloaded, depending on the position of the body, due to incorrect inclination, either the road lighting deteriorates or the drivers of oncoming vehicles are blinded. The service life of the xenon light sensors depends on the operating conditions and quality characteristics, on average, it is 8-10 years, after which replacement is required.

1. 5 (E39)
2. 5 Saloon (E39)
3. 5 Touring (E39)
4. 3 (E46)
5. 3 Saloon (E46)
6. 3 Coupe (E46)
7. 3 Touring (E46)
8. Z4 Roadster (E89)
9. X5 (E53)
10. X5 SAV (E53)
11. 3 Convertible (E46)
12. 3 Compact (E46)
13. 7 (E65, E66, E67)
14. 7 Saloon (E65, E66, E67)
15. Z4 Roadster (E85)
16. X3 (E83)
17. X3 SAV (E83)
18. 5 (E60)
19. 5 Saloon (E60)
20. 5 Touring (E61)
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The main principle of the xenon light sensor functionality

It is important to consider what type of lamps is installed on the car, since only automatic tilt angle adjusters are suitable for xenon kits. SWAG brand Sensor, Xenon light (headlight range adjustment) do not require the participation of the driver; automatic adjustment is performed, while manual adjustment requires adjustment with the participation of the vehicle owner.