BMW 1372-1337 Airbox Purolator Micronic 080

( Manufacturer Part Number: 1372-1337 )

Review BMW Oem Vintage Airbox 080 Used Purolator Micronic fits R80 RT 1985

The **BMW 1372-1337 R80 RT Airbox (1985 080 PuroLator Micronic)** is a meticulously crafted, high-performance air intake system designed specifically for the iconic BMW R80 RT, a motorcycle renowned for its timeless engineering and legendary reliability. This airbox represents a seamless blend of precision engineering and aftermarket innovation, tailored to enhance the breathing capacity and throttle response of the classic 798cc twin-cylinder engine while maintaining the motorcycle s original aesthetic. Built to exacting standards, the R80 RT airbox features a robust, high-quality construction with a durable polycarbonate or fiberglass housing, ensuring both structural integrity and resistance to the elements. The inclusion of a **PuroLator Micronic** filter a premium, high-flow air filter is a standout feature, offering superior filtration efficiency while minimizing airflow restriction. This filter is engineered to capture fine particles effectively, prolonging the life of the engine s internal components, yet its open-cell design allows for an optimal balance between clean air intake and unrestricted airflow, delivering a noticeable boost in power and torque. The airbox is designed to integrate flawlessly with the R80 RT s original air intake system, requiring minimal modification to the stock setup, though some users may opt for additional tuning or ECU adjustments to fully capitalize on the increased airflow. Whether installed on a showroom-fresh 080 model or a meticulously restored classic, this airbox elevates the R80 RT s performance without compromising its storied heritage, making it an essential upgrade for enthusiasts seeking both performance gains and a refined driving experience.

### **Pros and Cons of Buying a 1985 BMW R80 RT with a Puro-Lator Micronic Airbox (1372-1337 R80 RT Airbox)**

#### **Pros**

1. **Classic BMW Design and Prestige**

The BMW R80 RT is an iconic motorcycle from the 1980s, known for its timeless design, premium build quality, and strong brand reputation. Owning one carries a sense of heritage and prestige, appealing to enthusiasts who appreciate BMW s engineering legacy.

2. **Reliable Boxer Engine (M102)**

The air-cooled, flat-twin engine (M102) is a well-proven design, known for its durability and smooth power delivery. With proper maintenance, these engines can easily exceed 100,000 miles. The simplicity of the air-cooled system also makes it easier to work on compared to modern liquid-cooled setups.

3. **Mechanical Simplicity and Ease of Maintenance**

Unlike modern bikes with complex electronics and fuel injection, the R80 RT relies on a carbureted system (if not modified) and mechanical components that are easier to diagnose and repair. Many parts are still available through aftermarket suppliers, and the bike s design lends itself well to DIY maintenance.

4. **Strong Secondary Market and Community Support**

The R80 RT has a dedicated following, with a wealth of aftermarket parts, restoration guides, and forums (e.g., BMW Motorrad forums, ClassicBMW.com) where owners share knowledge. This makes it easier to find help, modifications, and upgrades.

5. **Modification Potential**

The bike is highly customizable from performance upgrades (e.g., carburetor tuning, exhaust modifications) to cosmetic enhancements (e.g., paint, handlebars, seat). The airbox you mentioned (Puro-Lator Micronic) is a popular upgrade for better airflow and filtration, which can improve throttle response and engine breathing.

6. **Comfortable and Practical for Touring**

The R80 RT was designed with long-distance comfort in mind, featuring a relaxed riding position, a spacious seat, and a sturdy frame. While not as fast as modern sportbikes, it excels as a comfortable cruiser or touring bike for shorter to moderate rides.

7. **Lower Running Costs (Compared to Modern Bikes)**

Fuel efficiency is decent for its class ( 40-50 mpg), and basic maintenance (oil changes, chain adjustments) is relatively inexpensive. Parts like tires, brakes, and suspension components are widely available and affordable.

8. **Investment Potential for Restored Models**

If the bike is in decent condition, restoring it to showroom spec (or better) can yield a significant return on investment. Well-maintained R80 RTs appreciate in value, especially those with original components or rare features.

---

#### **Cons**

1. **High Maintenance Requirements**

While the engine is durable, the bike is not "set and forget." Air-cooled engines require regular attention to cooling fins (cleaning), carburetor tuning, and chain/sprocket maintenance. Neglect can lead to overheating or premature wear.

2. **Poor Fuel Economy for Modern Standards**

The R80 RT is thirsty by today s standards, averaging around 40-50 mpg. This can add up quickly on long trips, especially if modified for performance.

3. **Outdated Safety Features**

The bike lacks modern safety advancements such as ABS, traction control, or advanced braking systems. Cornering stability and braking performance are dependent on rider skill and proper tire maintenance. The suspension is also basic by today s standards, which can make it less comfortable on rough roads.

4. **Limited Power and Speed**

The stock engine produces around 50-55 hp, which is adequate for cruising but feels underpowered compared to modern bikes. Acceleration and top speed (around 100 mph) are modest, making it less exciting for performance-oriented riders.

5. **Electrical System Reliability Issues**

The R80 RT s electrical system (especially in older models) can be finicky, with common problems like faulty generators, weak batteries, or intermittent lighting. Upgrading to a modern battery and wiring harness is often recommended.

6. **Weight and Handling**

The bike is heavy (around 500-550 lbs), which can make it tiring to maneuver in tight spaces or for solo riders. The steering is heavy, and the bike lacks the nimbleness of modern sportbikes or naked bikes.

7. **Rust and Frame Integrity Concerns**

Many older R80 RTs suffer from rust, particularly in the frame, fuel tank, and exhaust system. A thorough inspection is critical to ensure the bike is structurally sound. Rust can compromise safety and reduce resale value.

8. **Limited Aftermarket Support for Some Parts**

While many components are still available, some rare or discontinued parts (e.g., specific carburetors, seals, or electrical components) can be difficult to source, increasing repair costs.

9. **Noise and Vibration**

The air-cooled engine and mechanical drivetrain produce noticeable vibration and noise, which can be fatiguing on long rides. Soundproofing and vibration dampeners are common modifications for comfort.

10. **Insurance and Registration Costs**

Classic bikes often come with higher insurance premiums due to their value and parts cost. Additionally, some regions have restrictions on older motorcycles, requiring additional paperwork or inspections.

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### **Ending Conclusion**

The 1985 BMW R80 RT with a Puro-Lator Micronic airbox is a fantastic choice for enthusiasts who appreciate classic design, mechanical simplicity, and the joy of riding a well-crafted motorcycle. It offers a rewarding ownership experience for those who enjoy tinkering, restoring, and maintaining a bike with character. The airbox upgrade you re considering is a practical improvement that enhances performance and reliability, making the bike more enjoyable to ride.

However, it is not the best fit for riders seeking modern safety features, high performance, or low-maintenance convenience. The R80 RT demands attention, has limitations in power and efficiency, and may not be practical for daily commuting or long-distance touring without modifications. If you re willing to invest time in maintenance and enjoy the classic BMW experience, this bike can be an excellent addition to your collection. If you prioritize safety, power, or ease of use, a modern bike may be a better choice.

---

### **Recommendation**

- You are an experienced rider who enjoys classic motorcycles and are prepared for maintenance.

- You plan to restore or modify it (e.g., upgrading the airbox, suspension, or electrical system).

- You value the bike s heritage, community support, and potential for appreciation in value.

- You primarily use it for leisure rides, track days, or as a project bike rather than daily transport.

- You want a modern, low-maintenance bike with safety features like ABS or traction control.

- You prioritize high performance, fuel efficiency, or long-distance comfort over classic charm.

- You lack mechanical skills or time to dedicate to upkeep.

- You re looking for a practical, everyday motorcycle rather than a passion project.

Before purchasing, conduct a thorough inspection of the frame, engine, and electrical system. Consider having a trusted mechanic review it to assess hidden issues like rust or wear. If you re new to classic BMWs, start with a well-documented, restored example to ease into ownership. Pair the bike with a reliable trailer or transport solution, as it may not be road-legal in all conditions. Enjoy the ride owning a classic BMW is as much about the experience as it is about the machine itself.

Details:

Used condition Marked 1985 R80RT good Comes complete with filter and housing one intake runner also Sold as is.

part #: 13721337 price

• $169.69

specifications intakefuelmotorcycle:

• for models: R80, Rt
• for makes: Bmw
• for years: 1985
• mpn: 1372-1337

shipping intakefuelmotorcycle:

• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 6-11 Days
• cost: $22.00
• type: Fixed

payments intakefuelmotorcycle:

• wallet: Paypal
• other
• credit card: Discover

returns intakefuelmotorcycle:

• policy: No Returns

general intakefuelmotorcycle:

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

seller intakefuelmotorcycle:

• # reviews: 502
• city: Pensacola, Florida
• rating: 98.8%

offer intakefuelmotorcycle:

• quantity: 1
• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: June 12, 2026
• sold: 0

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