1. Headlight Assemblies Deals
  2. sku: 20678770156271723
  3. BMW MK-729

BMW MK-729 Front Headlight Hesd Light Lamp

fits model: R1100, 1100, Gs. make: Bmw. year: 1994–1999.

Mk-729 Bmw 1994-1999 99 R1100 Gs R 1100 Front Headlight Hesd Light Lamp Works

( Manufacturer Part Number: MK-729 ), ( Type: Headlight Assembly )

Review BMW Front Headlight Hesd Light Lamp Works fits R1100 1100 GS 1994–1999

The **BMW R1100GS (1994 1999) Front Headlight HESD Light Lamp (MK-729)** is a precision-engineered component designed to restore or enhance the illumination and visibility of one of the most iconic adventure motorcycles ever produced. Part of BMW s legendary *GS* series, the R1100GS is renowned for its rugged reliability, timeless styling, and off-road prowess, and its front lighting system plays a crucial role in both on-road safety and the bike s classic aesthetic. The **MK-729 HESD (High-Efficiency Sealed Discharge) lamp** is a direct replacement for the original halogen headlight assembly, offering superior brightness, durability, and longevity compared to traditional incandescent bulbs. Engineered to fit seamlessly into the R1100GS s front fairing, this lamp features a robust, sealed construction that protects against moisture, dust, and vibration common challenges on long-distance rides or rough terrain. The HESD technology delivers a crisp, white light output with minimal heat buildup, reducing the risk of lens fogging and ensuring consistent performance even in demanding conditions. Whether restoring a vintage GS to its original glory or upgrading an existing setup for modern riding, this lamp combines heritage design with contemporary efficiency, making it an essential choice for enthusiasts who demand both performance and authenticity. Its compatibility with the R1100GS s electrical system ensures easy installation, while its long service life minimizes maintenance hassles, allowing riders to focus on the journey ahead. For those who appreciate the marriage of classic engineering and cutting-edge lighting technology, the **BMW MK-729 HESD lamp** stands as a testament to BMW s enduring commitment to adventure and precision.

### **Pros and Cons of Buying a 1994 1999 BMW R1100GS (1100cc) with a Front Headlight/HED Light Lamp Issue**

#### **Pros**

1. **Classic Design and Prestige**

The R1100GS is an iconic motorcycle, known for its timeless design and strong brand reputation. It carries a sense of heritage and is highly sought after by enthusiasts.

2. **Reliable Engine and Performance**

The 1,100cc air-cooled inline-four engine is robust and capable of sustained power (around 75 80 hp, depending on modifications). With proper maintenance, it can last well beyond 100,000 miles.

3. **Durable Chassis and Suspension**

The R1100GS features a strong steel trellis frame and a proven suspension setup (WP forks and rear swingarm). While not as modern as today s systems, it remains functional and comfortable for long rides.

4. **High Ground Clearance and Adventure Capability**

With a 12.2-inch ground clearance, the R1100GS is well-suited for off-road and touring. Its long-travel suspension and robust construction make it a capable adventure bike.

5. **Strong Aftermarket Support**

BMW s classic models have a thriving aftermarket, offering parts, upgrades, and restoration services. Engines, frames, and components are widely available, making repairs and modifications easier.

6. **Classic Riding Experience**

The R1100GS offers a smooth, traditional riding experience with minimal electronics. The manual controls (clutch, throttle, gearshift) provide a more tactile connection to the bike.

7. **Potential for Restoration and Value Appreciation**

Well-maintained examples can appreciate in value, especially if restored to showroom condition. A properly cared-for R1100GS is a sound investment for collectors.

---

#### **Cons**

1. **Front Headlight/HED Light Lamp Issues**

The most immediate concern is the failing headlight or HED (High-Intensity Discharge) lamp. Headlights on these bikes are known for bulb failures, wiring issues, or reflector degradation. Replacing them can be costly, especially if the entire unit (including the HED housing) needs refurbishment. A non-functional headlight is a safety hazard and may violate local regulations.

2. **Aging Electrical System**

The R1100GS relies on a somewhat outdated electrical system with relays, fuses, and wiring that can degrade over time. Common issues include intermittent failures, battery drain, and starter problems. Upgrading to a modern battery or alternator may be necessary.

3. **Maintenance and Wear**

- **Tires:** Original tires (e.g., Michelin Pilot Road 4) are outdated and may not perform well in modern conditions. Replacing them is a significant expense.

- **Brakes:** The front disc brakes (especially the early models) can wear out quickly, requiring frequent pad and rotor replacements.

- **Chain and Sprockets:** The drive chain and sprockets are prone to stretching and wear, requiring regular lubrication and adjustment.

- **Suspension:** Fork seals and rear shock bushings may leak or wear out, affecting ride quality.

4. **Fuel System Challenges**

The carbureted engine (or early fuel-injected models) can suffer from clogged jets, worn gaskets, or fuel line leaks. Carburetions require tuning, and fuel-injected models may need ECU upgrades for modern fuel.

5. **Weight and Handling**

The R1100GS is heavier than modern sport or adventure bikes (around 500 550 lbs), which can make it less nimble in tight corners or at high speeds. The steering is heavier than lighter modern bikes, requiring more effort.

6. **Cost of Ownership**

- **Parts:** While widely available, high-quality OEM or aftermarket parts (e.g., forks, suspension, engine components) can be expensive.

- **Labor:** Specialized mechanics familiar with BMW classics may charge premium rates for repairs.

- **Insurance:** Classic bikes often have higher insurance premiums due to their value and repair costs.

7. **Modern Comfort and Technology**

The R1100GS lacks modern amenities such as ABS, traction control, or advanced ergonomics. Riders accustomed to modern bikes may find the riding position less comfortable over long distances.

8. **Rust and Frame Integrity**

Older BMWs are prone to rust, particularly in the frame, swingarm, and subframe. A thorough inspection is critical to ensure structural integrity, especially if the bike has seen wet or salty conditions.

---

### **Conclusion**

The **1994 1999 BMW R1100GS** is a fantastic motorcycle for riders who appreciate classic design, reliability, and adventure capability. However, the **front headlight/HED lamp issue** is a significant red flag that must be addressed immediately either by repairing the existing unit or replacing it with a functional one. Ignoring this problem risks safety violations and further electrical complications.

If the bike is otherwise well-maintained, the R1100GS remains a **great investment** for enthusiasts who enjoy the riding experience and are prepared for the maintenance demands of a classic bike. For those seeking a more modern or hassle-free riding experience, newer adventure bikes may be a better choice.

---

### **Recommendation**

1. **If Buying:**

- **Prioritize the headlight/HED lamp repair** as the top priority. Budget for a full headlight assembly replacement if necessary (expect $200 $500 depending on quality).

- **Get a full mechanical inspection**, including brakes, suspension, chain, and frame for rust.

- **Verify service history** a bike with consistent maintenance will be more reliable.

- **Test ride thoroughly** to check for handling issues, electrical gremlins, or suspension wear.

2. **If Selling or Passing:**

- If the headlight is non-functional and other issues are present, the bike may not be worth the hassle unless you re a restorer.

- Consider selling to a collector or parts buyer if the bike is beyond economical repair.

3. **For Long-Term Ownership:**

- **Budget for regular maintenance** (tires, brakes, chain, suspension).

- **Upgrade critical components** (e.g., modern tires, ABS, or a new battery) if safety and comfort are priorities.

- **Join BMW classic owner groups** for advice on repairs and modifications.

**Final Verdict:**

The R1100GS is a **great bike for the right owner** someone who values classic design, is prepared for maintenance, and can address immediate issues like the headlight. If the headlight is fixed and the rest of the bike is sound, it s a rewarding purchase. If not, it may be more trouble than it s worth.

Details:

UPS: 800-PICK-UPS. This part came off of a 1999 BMW R1100 GS with 5,723 miles. Please remember the key word is USED. First photo is on the bike working to show it works as should.

Tested and works. Condition: In excellent condition. Shipping times and fees vary. USPS: 800-ASK-USPS.

FedEx: 1-800-GOFEDEX.

part #: mk729 prices

  • $89.99-$299.99

specifications cyclelightasm:

  • for models: R1100, 1100, Gs
  • for makes: Bmw
  • for years: 1994-1999
  • mpn: Mk-729
  • type: Headlight Assembly

offer cyclelightasm:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: May 22, 2026

seller cyclelightasm:

  • # reviews: 49397
  • rating: 99.6%
  • city: Kenosha, Wisconsin

payments cyclelightasm:

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

shipping cyclelightasm:

  • transit: 5-10 Days
  • service: USPS Ground Advantage
  • class: Standard
  • carrier: USPS
  • cost: $0.00
  • type: Fixed

returns cyclelightasm:

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

general cyclelightasm:

  • Motorcycle Scooter Parts Accessories > Lighting Lamps > Headlight Assemblies
  • condition: Used
for models: r1100, 1100, gs, for makes: bmw, for years: 1994-1999, type: headlight assembly,
category: motorcycle parts > motorcycle scooter parts accessories > lighting lamps > headlight assemblies, sku: 20678770156271723,
Bmw MK-729 Is Similar To:
cyclelightasm logo
2 offers $89.99–$299.99 USD
  • Used. Offer #1 priced at $89.99 + $0.00 shipping estimate = $89.99* total. First photo is on the bike working to show it works as it should Condition: In excellent condition! Tested and works.FREE SHIPPING
  • Used. Offer #2 priced at $299.99 + $0.00 shipping estimate = $299.99* total. Turn signal indicator lights worked as well, showing up on the dash as they should. Condition: In excellent condition! Cluster was tested while on the bike, as it was running.FREE SHIPPING

Copyright © cyclelightasm.com