fits model: R1100rt, 1100, R1100, Rt. make: Bmw. year: 1995–2001.

( Manufacturer Part Number: 46512320689 ), ( Type: Subframe )
The **BMW R 1100 RT (46512320689 / 46512320698, 1995 2001, MK-717)** is a timeless masterpiece of motorcycle engineering, embodying the perfect blend of classic elegance and cutting-edge performance that defined BMW s golden era of touring and adventure. Built upon the legendary **R1100GS** platform, the R 1100 RT was crafted as a refined, all-weather companion designed for both the open road and the urban commute, offering a seamless transition between comfort, capability, and exhilarating ride dynamics. Its **1,085cc air-cooled boxer-twin engine**, a hallmark of BMW s reliability and torque-rich character, delivers a smooth, linear power delivery that rewards the rider with effortless acceleration and a deep, resonant exhaust note especially when paired with the optional **BMW Sport exhaust** or aftermarket upgrades. The engine s **desmodromic valve actuation** ensures precise timing and longevity, while the **wet sump lubrication system** guarantees dependability even under demanding conditions.
Mechanically, the R 1100 RT is a marvel of precision, featuring **full floating disc brakes** (front and rear) with **radial-mount calipers** and **dual-piston front brakes**, providing exceptional stopping power and modulation. The **parallelogram suspension** with **adjustable preload** and **hydraulic damping** delivers a plush yet responsive ride, absorbing bumps with ease while maintaining stability at high speeds. The **steering head** is reinforced for durability, and the **telescopic front fork** and **swingarm rear suspension** work in harmony to offer a balanced, neutral handling stance that feels both agile and composed. The **5-speed transmission**, paired with a **slipper clutch** in later models, ensures smooth gear shifts and reduces wear during aggressive riding.
The **MK-717 chassis** (introduced in 1995) represents a significant evolution over its predecessors, featuring a **stiffer frame** and **improved weight distribution**, which enhances stability and cornering performance. The **wheelbase** is optimized for a mix of sportiness and stability, making it one of the most versatile BMWs of its era capable of handling twisty roads with confidence while maintaining comfort on long-distance cruises. The **tubular steel frame** is both lightweight and robust, contributing to the bike s **190 kg (420 lbs) wet weight**, a figure that strikes an ideal balance between maneuverability and robustness.
Aesthetically, the R 1100 RT exudes understated sophistication with its **sleek, aerodynamic fairings** and **smooth, rounded bodywork**, which reduce wind resistance while maintaining a classic BMW silhouette. The **full fairing** (available in **standard or optional "Sport" versions**) encloses the rider and passenger in a cocoon of protection, featuring **windshield mounts** for adjustable wind protection and **integrated turn signals** that blend seamlessly into the design. The **LED taillight** (a rare feature in its time) adds a touch of futuristic elegance, while the **chrome-accented fuel tank** and **saddle** contribute to its timeless appeal. The **dual-seat configuration** ensures comfort for two, with the **passenger seat** featuring a **removable backrest** for solo riding convenience.
Inside, the R 1100 RT is a study in ergonomic brilliance, with a **fully adjustable seat** (including **seat height and angle**) that allows riders of varying statures to find their ideal position. The **instrument cluster** is a **digital-analog hybrid**, displaying essential metrics such as **speed, RPM, fuel level, and trip odometer** in a clear, easy-to-read format, while the **analog dials** (speedometer and tachometer) add a touch of vintage charm. The **handlebar controls** are intuitively laid out, with **twist-grip throttle**, **lever-operated clutch and brake**, and **side-mounted shift lever** for effortless gear changes. The **windscreen** is **adjustable** to suit riding conditions, and the **pannier racks** (optional) provide practical storage for touring essentials.
One of the R 1100 RT s most defining features is its **versatility**, making it equally at home on **highway cruises, weekend adventures, or daily commutes**. The **full fairing** and **wind protection** ensure comfort at highway speeds, while the **aggressive tire compounds** (such as **Michelin Pilot Road 4** or **Pirelli Angel GT**) and **adjustable suspension** allow for confident off-road excursions when desired. The **BMW s legendary "boxer" sound** a deep, growling purr that builds in intensity is amplified by the **optional Sport exhaust**, creating a soundtrack that resonates with purists and enthusiasts alike. Whether cruising along a coastal highway or navigating a winding mountain pass, the R 1100 RT delivers a **harmonious blend of power, precision, and pleasure**, making it a bike that transcends its era.
For collectors and riders alike, the **1995 2001 R 1100 RT (46512320689 / 46512320698)** stands as a **cult classic**, a machine that embodies BMW s commitment to **innovation, craftsmanship, and rider-centric design**. Its **timeless aesthetics**, **reliable engineering**, and **adventure-ready capabilities** ensure that it remains as relevant today as it was upon its introduction. Whether restored to showroom condition or preserved in its original glory, this motorcycle is more than just a two-wheeler it s a **piece of automotive history**, a **ride of a lifetime**, and a testament to BMW s enduring legacy in the world of motorcycling.
### **Pros and Cons of Buying a BMW R1100RT (1995 2001, Chassis Numbers 46512320689, 46512320698, MK-717)**
#### **Overview**
The BMW R1100RT is a classic dual-sport motorcycle produced from 1995 to 2001. It combines BMW s reputation for reliability, comfort, and performance with adventure-ready capabilities. However, like any older bike, it comes with trade-offs. Below is a detailed breakdown of its strengths and weaknesses.
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### **Pros**
1. **Reliability and Durability**
- The R1100RT is built on BMW s proven **boxer-twin engine**, known for longevity if maintained properly. Many examples still run strong after 20 years with regular servicing.
- The **air-cooled 1,130cc engine** is robust and less prone to catastrophic failure compared to liquid-cooled modern bikes.
- The **transmission and drivetrain** (chain or shaft drive, depending on model year) are simple and durable with proper care.
2. **Comfort and Ergonomics**
- Designed for both road and light off-road use, the R1100RT offers a **upright riding position**, reducing fatigue on long rides.
- The **suspension (WP rear and front forks)** is adjustable and well-suited for highway comfort and light trails.
- The **windscreen and fairings** provide decent wind protection, making it one of the more comfortable BMWs of its era.
3. **Performance and Power**
- The **1,130cc air-cooled boxer engine** produces **75 80 HP** (depending on year and modifications), which is adequate for highway cruising and spirited riding.
- The **six-speed transmission** is smooth and well-matched to the engine s torque.
- The **shaft-drive version (1995 1997)** is more durable than the chain-drive models (1998 2001), which can be maintenance-heavy.
4. **Classic BMW Build Quality**
- BMW s engineering in the '90s was still strong, with **solid frame construction** and **high-quality components** (e.g., Bosch fuel injection, digital ignition).
- The **electronic fuel injection (EFI)** improves throttle response and fuel efficiency compared to carbureted bikes of the era.
5. **Resale Value and Collectibility**
- The R1100RT is a **cult favorite** among BMW enthusiasts, holding its value better than many contemporaries.
- Well-maintained examples can be **easily sold** in the classic motorcycle market, especially if they have original parts or restoration potential.
6. **Modification Potential**
- The **air-cooled engine** can be upgraded with **performance air filters, exhausts, or even liquid cooling** (though the latter is complex).
- **Suspension upgrades** (e.g., hlins forks) and **tire choices** (e.g., adventure tires) allow for customization.
- **Aftermarket parts** (seats, handlebars, lighting) are widely available, keeping costs manageable.
7. **Low Operating Costs (Compared to Modern Bikes)**
- **Fuel efficiency** is decent for its class ( 40 50 mpg on the highway).
- **Maintenance costs** are lower than modern BMWs (e.g., no complex ECU tuning, simpler electronics).
- **Parts availability** is still good, though some components (e.g., original BMW fairings) may require sourcing.
8. **Nostalgia and Community**
- Owning a BMW from this era connects you to a **dedicated community** of riders who share tips, modifications, and restoration advice.
- The **aesthetic** remains timeless, with a **clean, functional design** that appeals to both classic and modern riders.
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### **Cons**
1. **Age-Related Wear and Tear**
- **Rust** is a common issue, especially on **frame rails, swingarm, and subframe**. A thorough inspection is critical.
- **Tires** will likely need replacement, and **brake pads/disks** may be worn if the bike has high mileage.
- **Leather seats** degrade over time and may need replacement.
2. **Maintenance Requirements**
- **Regular servicing is a must** neglect leads to expensive repairs (e.g., seized pistons, worn bearings).
- **Chain-drive models (1998 2001)** require **frequent chain and sprocket maintenance** (adjustment, lubrication, replacement).
- **Air filters** clog easily and should be cleaned/replaced often.
- **Valvetrain adjustments** (if not automatic) need periodic attention.
3. **Electrical Issues**
- The **electrical system** (especially in older examples) can be finicky, with **failing wiring harnesses, sensors, or alternators**.
- **Battery health** is critical many owners replace it every few years.
- **Instrument cluster** (if analog) may develop dead pixels or require recalibration.
4. **Comfort Limitations on Rough Terrain**
- While capable of light off-roading, the **suspension is not designed for aggressive trails** expect **rough rides on gravel or dirt**.
- **Tire choice** is limited; modern adventure tires may not fit perfectly without modifications.
5. **Weight and Handling**
- The R1100RT is **heavier than modern sport-touring bikes** ( 250 270 lbs), making it less nimble in tight corners.
- **Steering feel** is less precise than modern bikes, though this is part of its charm for some riders.
- **Wind noise** at high speeds can be intrusive without a full fairing setup.
6. **Fuel and Emissions Concerns**
- **Fuel quality** can affect performance older gas may contain additives that degrade seals.
- **No catalytic converter** (until later models), but emissions are not an issue for most riders.
7. **Cost of Restoration**
- A **full restoration** (new paint, seats, fairings, etc.) can be expensive, especially if original parts are used.
- **Replacement fairings** (if damaged) are costly, and aftermarket options may not fit perfectly.
- **Engine rebuilds** are possible but require skilled mechanics and can exceed $3,000 $5,000.
8. **Modern Safety and Technology Gaps**
- **No ABS** (until the R1200GS in 2000, but not retrofittable).
- **Basic lighting** (no LED options, dim headlight).
- **No modern rider aids** (trail cam, Bluetooth, etc.).
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### **Key Considerations Before Buying**
1. **Inspection is Critical**
- **Check for rust** (especially frame, swingarm, and subframe).
- **Test the engine** for smooth operation (listen for unusual noises).
- **Inspect the chain/sprocket** (if chain-drive) for stretch or wear.
- **Verify service history** a well-documented bike is worth more.
2. **Budget for Maintenance**
- Expect to spend **$1,000 $3,000/year** on maintenance if not fully restored.
- **Tires, brakes, and suspension** are the most common high-cost items.
3. **Decide on Restoration Level**
- **Project Bike:** Cheaper but requires time/money for repairs.
- **Restored Bike:** More expensive upfront but reliable.
- **Daily Rider:** A bike in **good working condition** (not necessarily pristine) is ideal.
4. **Consider Alternatives**
- If you want **more modern features**, look at **used BMW R1200GS (2000 )** or **Kawasaki Versys**.
- If you prefer **simplicity**, a **Yamaha XT600** or **Honda Africa Twin** may be easier to maintain.
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### **Final Recommendation**
#### **Buy If:**You **appreciate classic BMW engineering** and don t mind some maintenance.
You want a **comfortable, versatile bike** for road trips and light adventure.
You re **willing to invest time/money** in keeping it running smoothly.
You enjoy **modifying and restoring** motorcycles as a hobby.
You find a **well-documented, rust-free example** with a **clean engine and transmission**.
#### **Avoid If:**You **prioritize low maintenance** modern bikes require less upkeep.
You **plan to ride aggressively off-road** the suspension and tires are not built for it.
You **can t afford unexpected repairs** older BMWs hide issues until they fail.
You **want the latest tech** (ABS, LED lighting, rider aids).
You **don t have storage or a safe place to keep it** BMWs are vulnerable to theft and weather damage.
#### **Best Use
USPS: 800-ASK-USPS. This part came off of a 1996 BMW R1100RT with 69,515 miles. Condition: in good condition, see photos. FedEx: 1-800-GOFEDEX.
UPS: 800-PICK-UPS. Please remember the key word is USED. Shipping times and fees vary.