1. Introduktion
This manual provides essential information for the safe and effective use of your OSRAM D1S Xenarc Original HID Xenon Bulb, model 66140. These bulbs are designed for automotive headlight applications, offering high intensity discharge (HID) lighting with OEM quality. Please read this manual thoroughly before installation and operation.
2. Sikkerhedsoplysninger
ADVARSEL: HID xenon bulbs operate at extremely high voltages (up to 25,000V during ignition) and temperatures. Improper handling or installation can result in severe electrical shock, burns, or damage to the vehicle's electrical system.
- Always disconnect the vehicle's battery before attempting any installation or maintenance.
- Avoid touching the glass part of the bulb with bare hands. Oils from your skin can create hot spots and reduce bulb lifespan. Use clean gloves or a lint-free cloth.
- Do not operate the bulb outside of its intended housing or without proper ballast.
- Ensure the bulb is correctly seated and secured in the headlight assembly before reconnecting power.
- Dispose of old bulbs according to local regulations, as they contain mercury.
- Det anbefales kraftigt, at installationen udføres af en kvalificeret biltekniker.
3. Produktet er slutview
The OSRAM D1S Xenarc Original HID Xenon Bulb (66140) is a high-performance discharge lamp designed for superior automotive lighting. It is manufactured in Germany and meets original equipment manufacturer (OEM) quality standards, making it suitable as a direct replacement part.

Image: OSRAM D1S Xenarc Original HID Xenon Bulb in its retail packaging. The packaging highlights "ORIGINAL XENARC", "4 YEAR OSRAM GUARANTEE", and "Made in Germany". It also features a QR code for the OSRAM Trust Program for authenticity verification.
Nøglefunktioner:
- OEM-kvalitet: Used as standard initial equipment and original spare parts in millions of new automobiles.
- Forbedret synlighed: Up to 4,500 Kelvin color temperature, providing light closer to natural daylight compared to conventional halogen lights (3,200 Kelvin). This increased intensity improves road visibility.
- Autenticitetsbekræftelse: Features a unique trust code and QR code on the label for 2-step online verification via the OSRAM website, ensuring genuine product authenticity.
- Extended Operational Time: Designet til holdbarhed og lang levetid.

Billede: Side profile of the OSRAM D1S Xenarc HID Xenon Bulb, showing the clear glass discharge tube extending from the metal ballast housing. The integrated igniter is visible at the base of the glass tube.
4. Installation (Opsætning)
På grund af den høje voltage involved and the complexity of modern vehicle headlight systems, professional installation by a certified mechanic is strongly recommended. Attempting self-installation without proper knowledge and tools can lead to injury or damage.
General Installation Steps (for reference only; consult vehicle-specific manual):
- Sikkerhed først: Ensure the vehicle is turned off, the ignition key is removed, and the battery's negative terminal is disconnected. Allow the headlight system to cool down.
- Adgang til forlygteenheden: Depending on the vehicle, this may involve removing covers, trim, or even the entire headlight unit.
- Fjern gammel pære: Carefully disconnect the electrical connector from the old HID bulb. Release any retaining clips or twist-lock mechanisms holding the bulb in place. Gently remove the old bulb without touching the glass.
- Installer ny pære: Wearing clean gloves, carefully insert the new OSRAM D1S bulb into the headlight housing. Ensure it is correctly oriented and fully seated. Secure it with the retaining clips or twist-lock mechanism.
- Tilslut el-installationer: Reconnect the electrical connector to the new bulb. Ensure a secure connection.
- Test og saml igen: Reconnect the vehicle battery. Turn on the headlights to verify proper operation. Once confirmed, reassemble any removed covers or trim.

Billede: Forside view of the OSRAM D1S Xenarc HID Xenon Bulb, showcasing the clear glass discharge tube and the integrated igniter/ballast unit at its base. The electrical connector is visible at the bottom.
5. Betjening
The OSRAM D1S Xenarc bulb is a High-Intensity Discharge (HID) lamp. When activated, an electrical arc is created between two electrodes within a sealed glass chamber containing xenon gas and metal salts. This arc excites the gas, producing intense light. HID bulbs require a ballast (integrated into the D1S design) to provide the high voltage needed for ignition and to regulate the current during operation.
Upon initial activation, HID bulbs may take a few seconds to reach full brightness and color stability. This is normal operation and is known as "warm-up" time.

Image: The OSRAM D1S Xenarc HID Xenon Bulb illuminated, showing the bright, white light emitted from the discharge tube. The light appears crisp and powerful, characteristic of xenon technology.
6. Vedligeholdelse
OSRAM D1S Xenarc bulbs are designed for long operational life and generally require minimal maintenance. However, proper care can help maximize their lifespan and performance:
- Undgå hyppige tænd/sluk-cyklusser: Like all discharge lamps, frequent switching on and off can reduce the lifespan of HID bulbs.
- Hold forlygteglassene rene: Regularly clean your vehicle's headlight lenses to ensure maximum light output and prevent scattering.
- Undersøg ledninger: Periodically check the wiring and connectors for any signs of wear, corrosion, or damage.
- Professionel inspektion: Have your vehicle's lighting system inspected by a professional during routine maintenance.
7. Fejlfinding
If you experience issues with your OSRAM D1S Xenarc bulb, consider the following common troubleshooting steps. For complex issues, consult a qualified technician.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Pæren lyser ikke. |
|
|
| Bulb flickers or changes color. |
|
|
| Lysudgangen er svag. |
|
|
For further assistance, please refer to the OSRAM Trust Program for authenticity verification and support resources.
Video: An official product video demonstrating the OSRAM Xenarc 66140 D1S 35W Xenon Headlight HID Bulb. This video provides a visual overview of the bulb, its features, and potentially its light output, aiding in understanding its characteristics and proper handling.
8. Specifikationer
| Attribut | Værdi |
|---|---|
| Mærke | OSRAM |
| Modelnummer | 66140 |
| Lyskildetype | Xenon |
| Farvetemperatur | 4500 Kelvin |
| Wattage | 35 watt |
| Voltage | 85 volt |
| Driftsliv | 3000 timer |
| Auto del position | Front |
| Varens vægt | 0.08 kilo |
| OEM Equivalent Part Number | 78129, 78734 |
9. Garanti og support
OSRAM leverer en 4 års garanti on the Xenarc Original HID Xenon Bulb. For warranty claims or technical support, please contact OSRAM customer service or visit their official webwebsted.
Autenticitetsbekræftelse:
To ensure you have a genuine OSRAM product, utilize the OSRAM Trust Program. Each bulb's packaging and base feature a unique code and QR code. You can verify authenticity online by scanning the QR code or entering the 7-digit label code at the official OSRAM Trust webwebsted.

Image: A close-up of the OSRAM D1S Xenarc HID Xenon Bulb, highlighting the label on the integrated ballast unit. This label contains important product information and the unique code for authenticity verification via the OSRAM Trust Program webwebsted.