Get the perfect fit when upgrading your factory D2S or D4S headlights to LED.

The Riglow™ L20 D2S/D4S Adapter Holder is designed to securely mount LED or Xenon bulbs into compatible BMW headlight housings, ensuring proper bulb alignment, stable installation, and optimal beam performance.

A loose or incorrect bulb fit can lead to poor beam patterns, vibration issues, uneven lighting, and reduced visibility. The L20 adapter solves these problems by providing a secure OEM-style mounting solution for D2S and D4S bulb conversions. Similar D2S/D4S adapters are commonly used for BMW 5 Series applications including E39, E60, E61, F10, and F11 models.

Key Features

• ✔ Direct-fit D2S / D4S bulb adapter
• ✔ Designed for LED and Xenon bulb conversions
• ✔ Maintains proper bulb positioning
• ✔ Prevents vibration and movement
• ✔ OEM-style fitment
• ✔ Durable heat-resistant plastic construction
• ✔ Easy plug-and-play installation
• ✔ No modification required

Why It Matters

Proper bulb alignment is critical for:

• Sharp beam patterns
• Maximum light output
• Reduced glare
• Secure installation
• Long-term reliability

Using the correct adapter helps prevent bulb movement and maintains proper projector or reflector performance.

Specifications

• Brand: Riglow™
• Model: L20
• Bulb Compatibility: D2S / D2R / D4S / D4R
• Application: LED & Xenon Bulb Conversions
• Material: High-Temperature ABS Plastic
• Color: Black
• Installation: Direct Replacement Adapter

Compatible Vehicles

BMW (Selected Models)

• BMW 5 Series E39
• BMW 5 Series E60
• BMW 5 Series E61
• BMW 5 Series F10
• BMW 5 Series F11

Fitment may vary depending on headlight type and factory configuration. Verify your original bulb holder before purchasing.

Package Includes

• 2 × Riglow™ L20 D2S/D4S Adapter Holders

💡 The right adapter means the right beam pattern, better visibility, and a professional-quality LED conversion.