Collection: Xenon bulbs D1S

D1S xenon HID bulbs – choosing the right light source

The D1S is a high-intensity discharge (HID) light source for specific headlights designed for S-type bulbs. A compatible power supply and headlamp are essential. The D1 designation does not imply interchangeability with other generations or between R and S versions.

How to choose a D1S bulb

Check the marking on your existing bulb, the headlamp design and the vehicle manufacturer's specifications. Verify the base, correct system generation, electrical requirements and approval. Do not substitute a superficially similar D1, D2, D3 or D4 bulb of a different version.

Wear symptoms and replacement safety

Changes in light colour, flickering or ignition problems may indicate a worn bulb, but can also be caused by a ballast or wiring fault. Xenon systems generate high voltage. Servicing should be carried out by a qualified specialist following appropriate safety procedures. After repairs, check operation and headlamp alignment.

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