🏷️ Basic Information

Make:

BMW

Model:

R1100RT / R1100RS

Model Variant:

Touring / Sport-Touring

Engine Code Designation:

R1100

👋 Introduction

Target Audience:

BMW motorcycle owners, independent repair shops, and mechanics specializing in BMW motorcycles.

Value Proposition:

Provides comprehensive DIY repair and maintenance information, saving on dealership service costs and enabling thorough understanding of the machine.

Alternative Resources:

Owner's manuals (less technical), online forums (unverified information), unofficial guides.

Depth Of Coverage:

Unrivaled technical detail, covering nearly every aspect of the motorcycle.

Diagnostic Focus:

Strong emphasis on troubleshooting and diagnostic procedures for electronic and mechanical systems.

📋 Manual Details

Vehicle Models Covered:

BMW R1100RT, BMW R1100RS

Production Years Covered:

Typically covers models from 1993-2001 for R1100RT and 1992-2001 for R1100RS, though manual edition may vary.

Estimated Page Count:

Approximately 400-600 pages (typical for comprehensive service manuals of this era).

Type:

Repair and Service Manual

Language:

English

Format:

Likely a digital format (PDF), potentially printable.

📖 Manual Coverage

Engine:

Complete overhaul, top-end, bottom-end, valve adjustments, timing, cooling system.

Engine Electrics:

Ignition system, starting system, charging system, ECU, sensors, wiring diagrams.

Fuel System:

Fuel injection (Bosch Motronic), fuel pump, injectors, throttle body, fuel lines, fuel tank.

Exhaust System:

Exhaust pipes, mufflers, catalytic converter (if applicable), oxygen sensors.

Clutch:

Single dry plate clutch operation, hydraulic actuation, clutch slave cylinder.

Transmission:

Gearbox overhaul, gear selection, shaft bearings, output shaft, lubrication.

Front Suspension:

BMW Telelever front suspension system, fork seals, damping adjustments, steering head bearings.

Rear Suspension:

Paralever rear swingarm, shock absorber (Monolever system with remote reservoir), linkage, bearing services.

Brakes:

ABS II (Anti-lock Braking System), brake calipers, master cylinders, brake fluid flush and bleeding, rotor inspection and replacement.

Wheels And Tires:

Wheel bearing replacement, tire mounting and balancing, rim specifications.

Frame And Bodywork:

Chassis inspection, fairing removal and installation, seat, luggage systems, panel fitment.

Electrical System Components:

Lighting, horn, instrumentation, rider controls, accessory power outlets.

Routine Maintenance:

Oil changes, filter replacements, air filter service, spark plug replacement, brake pad inspection, lubrication points.

Troubleshooting:

Diagnostic flowcharts, common problems and their solutions, symptom-based repair guidance.

Major Repairs:

Engine rebuilds, transmission overhauls, suspension component replacement, electrical system diagnostics and repair.

Special Tools:

Identification and usage of specific BMW tools required for certain procedures.

Diagnostic Capabilities:

Advanced diagnostics for electronic systems, fault code interpretation.

Rebuild Instructions:

Detailed step-by-step instructions for complete engine and transmission rebuilds.

Torque Specifications:

Precise torque values for all critical fasteners.

Wiring Diagrams:

Comprehensive electrical schematics with component identification.

📊 Manual Specifications

Digital Format:

PDF

Image Resolution:

High resolution for clear diagrams and photographs.

Text Searchability:

Searchable text content for quick information retrieval.

Physical Binding:

N/A (for digital format)

Physical Paper Type:

N/A (for digital format)

⚙️ Engine Specifications

Engine Type:

Four-stroke, air/oil-cooled, flat-twin (Boxer) engine

Displacement:

1085 cc

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

10.3:1

Valve Train:

2 valves per cylinder, DOHC (Double Overhead Camshafts), pushrod actuation (historically Boxer, but DOHC for this era)

Horsepower:

Approx. 90 HP @ 7250 RPM (R1100RT), Approx. 95 HP @ 7250 RPM (R1100RS)

Torque:

Approx. 98 Nm @ 5500 RPM (R1100RT), Approx. 97 Nm @ 5250 RPM (R1100RS)

Fuel Delivery:

Electronic Fuel Injection (EFI) with Bosch Motronic engine management system

Fuel Type:

Unleaded gasoline, minimum 91 octane (RON+MON)/2 (or 87 AKI)

Fuel Tank Capacity:

Approx. 25 Liters (6.6 US gal)

🔧 Transmission

Type:

Constant-mesh 5-speed manual gearbox

Drive Type:

Shaft drive

Clutch Type:

Single dry plate clutch, hydraulically operated

Final Drive Ratio:

1:3.00 (typical for these models)

Transmission Oil Type:

BMW recommends Hypoid gear oil, SAE 75W-90, API GL-5.

📐 Dimensions

Wheelbase:

Approx. 1430 mm (56.3 in) for R1100RT, 1435 mm (56.5 in) for R1100RS

Seat Height:

Adjustable, approx. 760-800 mm (29.9-31.5 in) for R1100RT, 790-830 mm (31.1-32.7 in) for R1100RS

Dry Weight:

Approx. 235 kg (518 lbs) for R1100RT, 230 kg (507 lbs) for R1100RS

Gross Vehicle Weight Rating:

Approx. 440 kg (970 lbs)

🛡️ Safety Features

ABS System:

BMW Integral ABS II (standard on many models, check specific vehicle)

Braking System:

Dual 305 mm discs with 4-piston calipers (front), Single 276 mm disc with 2-piston caliper (rear)

Lighting:

Halogen headlight, LED taillight

Chassis Design:

Integral frame design with robust Telelever and Paralever suspension for stability.

💡 Technology Features

Instrumentation:

Analog tachometer and speedometer, digital multi-function display showing fuel level, gear indicator, odometer, tripmeters, clock, oil pressure, and warning lights.

ABS:

BMW Integral ABS II providing enhanced braking safety.

Power Output:

Accessory power socket for charging devices (often found on RT models).

🔧 Maintenance

Oil Change Interval:

Every 10,000 km (6,000 miles) or annually, whichever comes first.

Major Service Interval:

Every 20,000 km (12,000 miles), including valve adjustment, throttle body synchronization, and fuel filter check.

Brake Fluid Flush:

Every 2 years or 20,000 km.

Spark Plug Replacement:

Every 20,000 km.

Engine Oil Type:

Synthetic motorcycle oil, SAE 15W-50, API SG or higher, JASO MA certified.

Engine Oil Capacity:

Approx. 4 Liters (4.2 US quarts) with filter change.

Brake Fluid Type:

DOT 4 low-viscosity brake fluid.

Coolant Type:

Air/oil cooled, no coolant required for the engine itself. Oil cooler is an integral part of the lubrication system.

Hall Sender Unit:

Failure can cause intermittent starting issues or stalling.

Fuel Pump:

Can become weak or fail over time, leading to poor performance or no-start conditions.

Clutch Slave Cylinder:

Leaking seals can lead to clutch disengagement problems.

Throttle Position Sensor:

Faulty sensors can cause rough idle or erratic throttle response.

Charging System:

Voltage regulator or alternator issues can lead to battery charging problems.

📚 Vehicle History

Motorcycle Legacy:

BMW Motorrad boasts a rich history dating back to 1923, known for its engineering innovation, reliability, and touring capability.

R1100 Series Introduction:

The R1100 series marked a significant technological leap for BMW, introducing the four-valve DOHC engine and advanced chassis designs (Telelever/Paralever) across the range, replacing the older two-valve Boxer engines.

Rt Vs Rs Positioning:

The R1100RT (Reise-Tourer) was designed as a comfortable, fully-faired touring machine, while the R1100RS (Rennsport) was a sport-touring variant, offering a more aggressive riding position and slightly sportier performance.

Manufacturing Location:

Berlin Spandau, Germany

🏆 Awards & Recognition

Touring Capability:

The R1100RT consistently received praise for its long-distance comfort and touring amenities, making it a benchmark in its class.