BMW 2206785 Rockster Abs Air Boxbox Box Intake Filter Airbox

( Manufacturer Part Number: 2206785 ), ( Type: Airbox )

Review BMW Rockster Abs Complete Airbox Air Intake Filter Box fits R1150R 2004

The **BMW R1150R Rockster ABS Airbox and Air Intake Filter Box (Part Number: 2206785, Model Year: 2004)** is a meticulously engineered aftermarket component designed to enhance the performance, efficiency, and aesthetic appeal of your classic BMW motorcycle. This high-quality air intake system replaces the stock restrictive airbox and filter, allowing for a significantly greater airflow into the engine while maintaining optimal filtration. Crafted from durable materials, the airbox features a sleek, aerodynamic design that seamlessly integrates with the motorcycle s bodywork, ensuring a clean and professional look without compromising functionality. The included high-performance filter is engineered to provide superior filtration while minimizing backpressure, which translates to improved throttle response, smoother power delivery, and enhanced overall engine performance. Ideal for riders seeking a balance between performance upgrades and practicality, this air intake system is compatible with the 2004 R1150R Rockster, making it a straightforward yet impactful modification for those looking to breathe new life into their bike. Whether you're cruising on open highways or navigating twisty backroads, this airbox and filter box will deliver a noticeable difference in engine efficiency and power output, all while maintaining the timeless elegance of your BMW.

### **Pros and Cons of Buying a 2004 BMW R1150R Rockster (Chassis Number 2206785) with ABS, Airbox, and Air Intake Filter Box**

#### **Pros**

1. **Classic BMW R1150R Design and Prestige**

The R1150R is one of BMW s most iconic naked bikes, blending sporty handling with a retro-inspired aesthetic. Its timeless design makes it a desirable collector s item, especially for enthusiasts who appreciate BMW s heritage.

2. **Reliable Engine and Performance**

The 1,130cc parallel-twin engine (from the R1100GS) is known for its durability and smooth power delivery. With proper maintenance, it can easily exceed 100,000 miles. The R1150R produces around **95 hp (70 kW)** and **103 lb-ft (140 Nm) of torque**, offering a good balance of low-end torque and mid-range punch, making it suitable for both highway cruising and twisty roads.

3. **ABS (Anti-lock Braking System)**

The inclusion of ABS enhances safety, reducing the risk of wheel lockup during hard braking particularly useful for riders who may not have extensive experience or who frequently ride in varied conditions.

4. **Airbox and Air Intake Filter Box**

The stock airbox and filter box are functional but not high-performance. However, they are **easier to maintain** than aftermarket systems, and the bike s stock setup is already tuned for reliability. If you plan to modify the intake later, this is a good starting point.

5. **Comfortable Ergonomics and Practicality**

The Rockster s upright riding position is more relaxed than the R1150GS or R1200GS, making it a good choice for riders who prefer a less aggressive stance. The step-through frame also makes it easier to mount and dismount, appealing to a broader range of riders.

6. **Aftermarket and Customization Options**

The R1150R has a **thriving aftermarket**, with availability of parts for exhaust upgrades, suspension tuning, and cosmetic modifications. The bike s platform is well-documented, making repairs and upgrades relatively straightforward.

7. **Good Fuel Economy for a Twin-Cylinder Bike**

At around **40-50 mpg (5.6-4.6 L/100km)**, it performs better than many larger-displacement bikes, making it cost-effective for daily riding.

8. **Potential for Restoration or Preservation**

If you re looking for a bike to restore to showroom condition, the R1150R is a solid choice. Many original parts are still available, and the bike s simplicity compared to modern BMWs makes restoration projects more manageable.

---

#### **Cons**

1. **Age and Wear Considerations (2004 Model Year)**

The bike is **18 years old**, meaning it may require **significant maintenance** if it hasn t been well cared for. Key areas to inspect include:

- **Engine oil and coolant condition** (old oil can cause sludge buildup).

- **Chain and sprocket wear** (a worn chain reduces efficiency and can damage the final drive).

- **Brakes** (ABS helps, but pads and rotors may need replacement).

- **Tires** (old rubber loses grip and can crack).

- **Electronics** (ECU, sensors, and wiring may degrade over time).

2. **Higher Maintenance Costs**

While the engine is reliable, **BMW parts (especially OEM) can be expensive**. Aftermarket alternatives exist, but some components (e.g., suspension, brakes) may still cost more than on newer bikes. Regular servicing (valve adjustments, chain tensioning, etc.) is essential but adds up over time.

3. **Stock Performance Limitations**

The stock engine is **not a high-revving powerhouse** it peaks around **7,500 RPM**, which can feel sluggish compared to modern bikes. While adequate for cruising, it may not satisfy riders seeking high-speed thrills.

4. **Suspension and Handling**

The **stock suspension (WP X39 rear, WP USF front) is decent but not cutting-edge**. On rough roads, it can feel stiff, and the bike lacks modern adjustable damping. Upgrading to aftermarket suspension (e.g., hlins, WP XACT) can improve comfort and handling but adds cost.

5. **Fuel Injection Reliability**

The **Bosch LE-Jetronic fuel injection system** is known for occasional issues, such as **clogged injectors or failing sensors**. A **fuel system clean or injector replacement** may be needed if the bike hasn t been maintained properly.

6. **Weight and Maneuverability**

At around **220-230 kg (485-507 lbs)**, the R1150R is **heavier than modern sport-touring bikes**, making it less nimble in tight spaces. Parking and maneuvering in cities can be more challenging compared to lighter bikes.

7. **Resale Value Depends on Condition**

While BMW classics hold value, the R1150R s resale depends heavily on **mileage, maintenance history, and condition**. A well-documented, low-mileage example in good shape will retain value better than a neglected one.

8. **Limited Modern Safety Features**

Compared to newer bikes, the R1150R lacks **traction control, cornering ABS, or advanced rider aids**. While ABS is a plus, it s not as sophisticated as systems found on modern BMWs.

---

### **Key Considerations Before Purchase**

1. **Service History**

- Request **full service records**, especially for **valve adjustments, chain replacements, and fuel system maintenance**.

- Check for **oil changes every 3,000-5,000 miles** (critical for engine longevity).

2. **Ride Test and Inspection**

- Test the **brakes (ABS functionality), throttle response, and suspension**.

- Listen for **unusual noises** (knocking, whining, or grinding).

- Check for **leaks (oil, coolant, brake fluid)**.

3. **Budget for Repairs**

- Expect to spend **$1,000 $3,000 ** in the first year if the bike is neglected.

- **Chain & sprocket** ($200 $400)

- **Tires** ($300 $600)

- **Brake pads & rotors** ($400 $800)

- **Suspension refresh** ($500 $1,500)

4. **Storage and Usage**

- If storing outdoors, ensure it s **protected from the elements** (rust is a major concern).

- If used daily, factor in **fuel, maintenance, and insurance costs**.

---

### **Final Recommendation**

You **appreciate classic BMW design and heritage** and are willing to invest time/money in maintenance.

You **prioritize reliability over raw power** and plan to ride it **moderately** (not daily track use).

The bike has a **clean service history** and **low mileage** (under 10,000 miles/year).

You re **prepared for higher upfront costs** but don t mind the long-term ownership experience.

You **enjoy customization** and see it as a project bike for upgrades (exhaust, suspension, etc.).

You **need a daily commuter bike** with minimal maintenance.

You **require modern safety features** (traction control, advanced ABS).

The bike has **unknown maintenance history** or **high mileage** (over 20,000 miles).

You **dislike older fuel injection systems** or are unwilling to budget for potential repairs.

You **prefer lighter, more agile bikes** for urban riding.

---

### **Best Use Cases for This Bike**

- **Weekend cruiser** for riders who enjoy scenic routes.

- **Project bike** for those who want to restore/modify it over time.

- **Collector s item** for BMW enthusiasts who value nostalgia.

- **Secondary bike** (not a primary daily rider) due to maintenance demands.

If you re **serious about buying**, inspect it thoroughly, get a **pre-purchase inspection (PPI) from a BMW specialist**, and **negotiate based on its condition**. With proper care, the R1150R can be a rewarding and enjoyable ride for years.

Details:

Many countries only allow 79 max package length and girth combined. More options available upon request. ADDRESS: Steele's Cycle, 2025 W. Inglewood, CO 80110.

; NO RASH,NO CRACKS OR UNWANTED HOLES,NOT WARPED,HAS FILTER,HAS ALL SCREWS IN LID,HAS SENSOR NOT BROKE WELL PICTURED. ; 2004 BMW R1150R ROCKSTER ABS COMPLETE AIRBOX AIR INTAKE FILTER BOX. Each part is systematically placed to be easily located once purchased. If the item does not fit motorcycle model specified in listing.

part #: 2206785 prices

• $71.49-$149.99

specifications intakefuelmotorcycle:

• for models: R1150r
• for makes: Bmw
• for years: 2004
• mpn: 2206785
• type: Airbox

seller intakefuelmotorcycle:

• rating: 100.0%
• city: Englewood, Colorado
• # reviews: 58460

payments intakefuelmotorcycle:

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

general intakefuelmotorcycle:

• condition: Used
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

returns intakefuelmotorcycle:

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

shipping intakefuelmotorcycle:

• carrier: FedEx
• class: Standard
• cost: $29.99
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• transit: 4-7 Days

offer intakefuelmotorcycle:

• sold: 0
• best offers: True
• quantity: 1
• started: May 7, 2026
• options: Ship-to-home
• availability: In Stock

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