BMW 4663-2313078 Headlight Adjuster

( Manufacturer Part Number: 4663-2313078 ), ( Part Type: Headlight Adjuster ), ( Country Of Origin: Germany ), ( Color: Silver, Black ), ( Manufacturer Warranty: Unspecified Length ), ( Placement On Vehicle: Front ), ( Storage Location: H.2.d.8 Zg70642-x ), ( Custom1: 140815 )

Review BMW Headlight Adjuster fits R1150RS 2001–2005

The **BMW 4663-2313078 headlight adjuster** is a precision-engineered component designed exclusively for BMW R1150RS motorcycles manufactured between the model years **2001 and 2005**, corresponding to the iconic **R1150RS (R1150R in some markets)** with its distinctive **R1150GS chassis**. This critical part serves as the **mechanical linkage between the headlight assembly and the motorcycle s suspension system**, allowing for automatic vertical adjustment as the bike s front end moves under load, ensuring optimal illumination and compliance with road safety regulations. Crafted from high-quality **stamped steel and durable polymer components**, the adjuster is built to withstand the rigors of off-road and high-speed riding while maintaining smooth, consistent operation. Its **modular design** integrates seamlessly with the **R1150RS s hydraulic suspension system**, particularly the **WP X39 front fork**, providing real-time headlight alignment adjustments to compensate for weight shifts, rider position changes, or uneven terrain. This component is essential for maintaining **legal compliance** in regions where headlight height is strictly regulated, as improper alignment can result in fines or even legal restrictions on vehicle operation. Beyond functionality, the adjuster contributes to the **aesthetic integrity** of the bike s front end, ensuring that the **dual projector or HID headlight assembly** remains properly positioned without unnecessary sag or misalignment. For riders seeking to restore or upgrade their R1150RS, this part is a **must-have replacement** for those experiencing worn-out or failed original components, often characterized by **stiffness, rattling, or inconsistent light projection**. Its **OEM-level quality** ensures a perfect fit and performance match, making it an ideal choice for both restoration projects and routine maintenance. Whether restoring a classic R1150RS to its original glory or upgrading an existing setup, this headlight adjuster guarantees **reliable, precise, and long-lasting operation**, embodying BMW s commitment to engineering excellence in motorcycle design.

### **Pros and Cons of Buying a BMW R1150RS Headlight Adjuster (Part Number: 4663-2313078, Fits Models: 01-05)**

1. **Direct Fitment** The part is specifically designed for BMW R1150RS models from 2001 to 2005, ensuring compatibility without modifications.

2. **Improves Visibility** A properly adjusted headlight ensures better nighttime visibility, reducing glare for other drivers and improving safety.

3. **Prevents Legal Issues** Incorrectly adjusted headlights can lead to fines or inspection failures in some regions. Correct alignment keeps the bike road-legal.

4. **Durability** BMW parts, even aftermarket replacements, are generally built to last, especially if sourced from a reputable supplier.

5. **Easy Installation** The adjuster is a straightforward mechanical component, often requiring minimal tools and time to install.

6. **Cost-Effective Fix** Replacing a faulty or misaligned adjuster is far cheaper than replacing an entire headlight assembly.

7. **Maintains Resale Value** Keeping the bike in good condition, including proper headlight alignment, helps preserve its value if sold later.

1. **Potential Counterfeit Risk** If purchased from an untrusted seller, the part may be a low-quality replica, leading to premature failure or poor fit.

2. **Labor Dependency** While installation is simple, some riders may lack the confidence to adjust the headlights correctly, requiring professional help.

3. **Limited Availability** As BMW parts age, finding an exact OEM replacement may become difficult, forcing buyers to rely on aftermarket alternatives.

4. **Misalignment Risk** If not adjusted properly, the headlights could still be misaligned, defeating the purpose of the replacement.

5. **Wear Over Time** Like all mechanical parts, the adjuster may wear out again, especially if the bike is ridden frequently or in harsh conditions.

6. **Cost of Replacement** While the part itself is reasonably priced, additional costs (labor, tools, or professional alignment) may add up.

---

The BMW R1150RS headlight adjuster (4663-2313078) is a practical and cost-effective solution for ensuring proper headlight alignment on early-model BMW motorcycles. The benefits in terms of safety, legality, and visibility outweigh the minor drawbacks, particularly if the part is sourced from a reliable supplier. However, buyers should verify the authenticity of the part and ensure proper installation to avoid issues.

- **Buy from a trusted source** (official BMW dealer, reputable aftermarket parts supplier, or a well-reviewed online retailer).

- **Check for authenticity** (compare part numbers, inspect packaging, or verify with the seller).

- **Follow installation instructions carefully** or seek professional help if unsure.

- **Test alignment after installation** to ensure the headlights are correctly positioned.

- **Consider professional alignment services** if DIY adjustment is not confidently done.

For most riders, this is a worthwhile upgrade that enhances both safety and compliance.

Details:

Look for the Make Offer button on listing page. Item must be in original, uninstalled condition with no modifications. 4.8 out of 5 stars across 322 reviews.

We started with a single motorcycle dismantled in home garage. Larger items from $46.99.: Are these genuine OEM parts?, Yes. Every part is one-of-a-kind.

Do you accept offers?, Some listings offers. FREE shipping on every order to the lower 48 states. Do you combine shipping?, Yes. Please verify the part number and compatible model's before purchasing.

One-Of-A-Kind When Its Gone, Gone 01-05 BMW R1150RS Headlight Adjuster:: Corrosion, Cosmetic Wear As Shown In Photos - Used: See Video And For Details Part is off a 2004 R1150RS, with 12,271 Miles, Watch A From Sun Coast Cycle Sports. We review all reasonable offers promptly.

part #: 46632313078 price

• $36.96

specifications cyclelightasm:

• for models: R1150rs
• for makes: Bmw
• for years: 2001-2005
• mpn: 4663-2313078
• part type: Headlight Adjuster
• country of origin: Germany
• color: Silver, Black
• manufacturer warranty: Unspecified Length
• placement on vehicle: Front
• storage location: H.2.d.8 Zg70642-x
• custom1: 140815

general cyclelightasm:

• Motorcycle Scooter Parts Accessories > Lighting Lamps > Headlight Assemblies
• condition: Used

seller cyclelightasm:

• # reviews: 229544
• rating: 99.5%
• city: Odessa, Florida

offer cyclelightasm:

• best offers: True
• started: May 13, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

payments cyclelightasm:

• other
• credit card: Mastercard
• wallet: Google-pay

returns cyclelightasm:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping cyclelightasm:

• class: Standard, Expedited, One-day
• carrier: USPS, FedEx
• cost: $0.00
• transit: 3-7 Days
• type: Fixed
• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight

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