BMW ONBOARD COMPUTER Bedienungsanleitung PDF herunterladen (Seite 29)

E46 Driver Information

XENON HEADLIGHTS

OVERVIEW

The automotive industry/press often identify xenon lighting systems as HID (high intensity

discharge) systems. Xenon headlight technology was first introduced to the US market

exclusively on the E32 750iL in 1993. BMW xenon headlight systems have evolved and

their availability as optional equipment has spread throughout the model lineup.

Blue/White in color and using ellipsoidal technology Xenon headlights provide improved

night time visibility in all driving conditions compared with traditional Halogen bulb head-

lights.

BENEFITS:

Xenon headlights provide the following benefits:

• Longer bulb life. Typically, xenon bulbs will last from 3 to 5 times longer than halogen.

• More light output. Xenon headlights produce from 2.5 to 3 times more lumens than

halogen.

• Blue/White light (simulates natural daylight). Xenon bulbs produce a blue/white light

while halogen bulbs produce a yellow light. The light color of a light source is measured

in color temperature (not to be confused with thermal temperature). Color temperature

is measured in Kelvins (K). The higher the color temperature the whiter the light.

Natural daylight = 4,500 to 5,000 K

Xenon headlights = 4,000 to 4,500 K

Halogen headlights = 3,200 K (yellow in color)

• Better driving visibility.

The combination of higher

lumens and higher color

temperature provide a supe-

rior lighting source.

The beam is wider and

brighter in front of the vehi-

cle than conventional halo-

gen bulbs improving safety

and driver comfort.

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BMW ONBOARD COMPUTER Bedienungsanleitung Seite 29