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35W D2S & D2R Xenon HID Bulbs

Designed for vehicles using D2-series xenon lighting systems, this collection covers projector-specific D2S bulbs, reflector-specific D2R bulbs, and related D2H replacement and conversion options. Choose from multiple Kelvin ratings while maintaining the correct bulb format, housing match, and 35W HID system requirements for your vehicle.

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D2 Xenon HID Headlight Bulbs for Projector and Reflector Housings

This Underground Lighting collection focuses exclusively on D2-series Xenon HID headlight bulbs, including D2S, D2R, and D2C variants, engineered for OEM HID lighting systems and compatible aftermarket applications.

In practical terms, D2 HID bulbs are 35W high-intensity discharge lamps that produce light through an electric arc inside a xenon-filled quartz capsule, delivering substantially higher brightness and beam reach than halogen bulbs.

Core D2 Bulb Types Covered

1. D2S HID Bulbs

Designed for projector headlight housings, D2S bulbs use a P32d-2 keyed metal base that precisely aligns the arc focal point with the projector lens and cutoff shield.

This produces a sharp beam cutoff, controlled light distribution, and reduced glare. Typical output ranges from approximately 3200–3500 lumens.

2. D2R HID Bulbs

Built specifically for reflector housings, D2R bulbs feature a partial opaque coating on the arc chamber to limit stray light and glare.

They use a P32d-3 base, which is not interchangeable with D2S, ensuring housing-specific compatibility. Output is slightly lower at approximately 2800–3200 lumens due to the glare-control shielding.

3. D2C HID Bulbs

D2C is a hybrid aftermarket variant marketed as a combined D2S/D2R solution.

While D2C bulbs may physically fit both housing types, they are generally better suited to off-road or non-road applications where housing-specific optical requirements are less restrictive.

All D2 bulbs require a separate external igniter, unlike D1S or D3S bulbs with integrated igniters, and are designed for a projector and Reflector Housing.

A 35W HID ballast regulates electrical operation, supplying approximately 85V AC during sustained operation after high-voltage ignition.

Products Included in This Collection

1. D2S Xenon HID Headlight Bulb Set (PAIR)

Designed for projector headlight housings, these D2S HID bulbs use a P32d-2 keyed base to align the xenon arc precisely with projector optics.

Operating at 35W with an external igniter, they deliver approximately 3200–3500 lumens and are available in:

  • 6000K: White
  • 8000K: White/blue

2. D2S 5000K Extreme White Xenon HID Bulbs (PAIR)

A visibility-focused upgrade producing a neutral 5000K white beam closer to daylight than OEM 4300K.

Optimized for projector systems, these bulbs balance usable brightness, contrast, and beam clarity, making them suitable for daily night driving.

3. D2R Xenon HID Headlight Bulb Set (PAIR)

Engineered for reflector housings, D2R bulbs feature an opaque arc coating to reduce glare and control light scatter.

Using a P32d-3 base, they are not interchangeable with D2S. Output is slightly reduced to maintain controlled reflector performance.

4. D2H HID Replacement Bulbs – 3700 Lumens (PAIR)

These aftermarket conversion-focused HID bulbs deliver approximately 3700 lumens and are intended for D2-style retrofit systems.

Available in:

  • 6000K: White
  • 8000K: White/blue

These bulbs prioritize higher output but require the correct housing and ballast pairing.

5. D2H HID CANbus Kit, 35W (PAIR)

A complete 35W HID conversion kit including D2H bulbs, ballasts, igniters, and CANbus circuitry.

Designed for 12V vehicles, the system helps prevent flickering and dashboard errors, making it suitable for compatible ECU-monitored applications.

Available Color Temperatures

  • 4300K: OEM warm white with the highest usable brightness
  • 5000K: Neutral white with improved contrast
  • 6000K: Daylight white and a popular aftermarket option
  • 8000K: White with a blue tint, primarily appearance-focused. aesthetic-focused

D2 HID systems are commonly used in low-beam and bi-xenon projector applications, where beam control is determined by the housing optics rather than the bulb alone. Correct housing matching, D2S for projector systems and D2R for reflector systems, is essential for proper glare control, beam performance, and DOT/ECE compliance.

Don’t forget to explore our complete collection of LED options, including fog lights, turn signal lights, switchback turn signal lights, and HID Conversion kits. Check your vehicle’s compatibility with our easy-to-use bulb finder tool.

Why Choose Underground Lighting D2 Xenon HID Headlight Bulbs?

  • ~3× Higher Brightness Than Halogen Headlights

    Underground Lighting D2 HID bulbs produce approximately 3200–3500 lumens, delivering substantially more usable light than typical halogen headlights in compatible projector systems.

  • Housing-Specific Beam Control (D2S vs D2R)

    Underground Lighting D2S bulbs support sharp projector cutoffs, while D2R options use glare-control shielding for compatible reflector housings, preserving the intended optical performance of each system.

  • OEM-Standard 35W Power for Stability

    Underground Lighting D2 HID bulbs operate at the OEM-standard 35W specification, balancing light output, heat, and electrical stability without the added thermal load of higher-wattage systems.

  • Multiple Color Temperatures for Function or Style

    Underground Lighting offers D2 options in 4300K, 5000K, 6000K, and 8000K, allowing drivers to balance usable road illumination with their preferred beam appearance.

  • Proven Performance in Premium OEM Systems

    Underground Lighting D2S and D2R replacements support compatible factory HID systems used across Audi, BMW, Mercedes-Benz, Lexus, and other vehicles equipped with D2-series lighting.

  • CANbus-Ready Options for Modern Vehicles

    Selected Underground Lighting D2H CANbus kits include integrated circuitry designed to help reduce flicker, dashboard errors, and bulb-out warnings in compatible electronically monitored vehicles.

How to Choose the Right D2 Xenon HID Bulb

Choosing the right D2 bulb starts with confirming your vehicle’s existing HID system. D2S, D2R, and D2H/D2C options may look similar, but they are designed for different housings and setups.

  • Choose D2S or D2R: Use D2S for compatible projector headlights and D2R for compatible reflector housings. Their P32d-2 and P32d-3 bases are different.
  • Check the HID system: Standard D2S and D2R bulbs operate at 35W and 85V and require compatible HID control gear.
  • Choose the color temperature: Pick 5000K for neutral white, 6000K for cooler white, or 8000K for a blue-white appearance. Higher Kelvin does not mean higher brightness.
  • Check D2H/D2C compatibility: D2H and D2C are aftermarket options and should be matched with the correct ballast, wiring, and housing setup.
  • Verify vehicle fitment: Check the original bulb, vehicle documentation, or Vehicle Search Tool before ordering.

Watch these helpful Underground Lighting videos for step-by-step guidance, product details, and real-world installation tips.

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D2S & D2R Xenon HID FAQs

D2S and D2R are both 35W xenon HID bulb formats, but they are designed for different headlight optics.

D2S bulbs use a P32d-2 base and are designed for projector housings, where the projector lens and cutoff shield control the beam. An OEM-spec D2S bulb typically produces around 3,200 lumens.

D2R bulbs use a P32d-3 base and are designed for reflector housings. They include glare-control shielding to limit stray light, with OEM-spec output typically around 2,800 lumens.

D2-series Xenon HID bulb pairs cost about $49.99 to $150.00, depending on bulb type, color temperature, and performance specifications.

A complete 35W D2H CANbus HID conversion kit costs around $199.99 because it includes additional components such as bulbs, ballasts, igniters, and CANbus circuitry. Prices and promotions can change.

No. D2S and D2R bulbs cannot be interchanged. Both operate as 35W, 85V xenon HID lamps. But D2S uses a P32d-2 base for projector headlights, while D2R uses a P32d-3 base and anti-glare shielding for reflector headlights. The replacement bulb should match the original headlight housing and bulb specification.

Yes. D2S and D2R xenon HID bulbs require compatible HID control gear to ignite the xenon arc and regulate electrical operation.

Standard D2S and D2R lamps are rated at 35W and 85V during normal operation, so they cannot operate correctly from a standard halogen bulb circuit without the required HID components.

A D2C HID bulb is an aftermarket D2-style bulb that is often sold as a combo of D2S and D2R bulbs.

D2C is different from the standard OEM D2S or D2R. Because projector and reflector headlights control light differently, physical fitment alone does not confirm correct optical compatibility. Verify housing and vehicle fitment before installing a D2C bulb.

For usable road illumination, a 4100K–4300K D2 HID lamp is usually considered the standard. 5000K lamp has the cleanest, neutral-white look, but still has sufficient usable light.

Lamps with higher color temperatures like 6000K and 8000K will have cooler or bluer light, but this does not mean increased brightness.

D2S bulb brightness by lumen output and beam performance, not Kelvin rating.

As an OEM reference, a standard D2S xenon bulb produces approximately 3,200 lumens. Aftermarket D2S products may use different specifications, but higher advertised output is only useful when the arc remains correctly positioned within the projector optics.

D2H bulbs rated around 3,700 lumens are aftermarket conversion products and should not be treated as equivalent to an OEM-spec D2S bulb.

D2S and D2R xenon bulb lifespan depends on operating conditions, switching frequency, ballast condition, and bulb quality.

As an OEM reference, D2S and D2R xenon lamps can have a B3 service life of approximately 2,000 hours and a Tc life of approximately 3,000 hours. These are standardized reference values rather than guaranteed lifespans for every replacement bulb.

Replacing D2S or D2R xenon bulbs in pairs should be considered when both bulbs have similar operating time. Light emission from xenon bulbs decreases and may shift in color with time. That is why it makes sense to change both of the lamps at once.

An LED replacement should not automatically be considered an upgrade over a D2S or D2R xenon bulb.

Factory D2S projector and D2R reflector systems are designed around the position and optical characteristics of a xenon arc source. Changing to an LED light source can alter beam distribution, cutoff, glare control, and usable road illumination.

For a factory D2 xenon system, a compatible D2 HID bulb is the most direct replacement for maintaining the intended optical design.

Check the original bulb number, owner’s manual, headlight housing, or vehicle fitment tool before ordering a D2 HID replacement.

The thing is, the vehicle needs to use either D2S, D2R, D2C, or a D2H aftermarket setup, because the bulb base, housing optics, ballast, igniter, and electrical configuration all affect compatibility.

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