🏷️ Basic Information Identification Make: BMW Model: R1100R / R1100S Year: 2004 Codes Engine Code: R1100 ( Boxer-twin, 4-stroke, two valves per cylinder, air/oil cooled) 👋 Introduction Market Position Category: Sport Touring / Roadster Motorcycle Target Audience: BMW R1100R and R1100S owners seeking to perform their own maintenance and repairs. Competitive Analysis Competitors: Moto Guzzi V11 Sport, Ducati ST2/ST3, Honda VFR800. Key Features Engine Configuration: Air/oil-cooled Boxer-twin engine, known for torque and smooth power delivery. Suspension System: Telelever front suspension (R1100S) or conventional telescopic fork (R1100R) and Paralever rear suspension provide excellent ride quality and handling. Drivetrain: Shaft drive, requiring minimal maintenance. 📋 Manual Details Coverage Areas Covered Models: BMW R1100R, BMW R1100S Covered Years: 2004 Page Count Estimated Pages: 400+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, cylinder head, pistons, crankshaft, valve timing, oil pump, lubrication system. Fuel System: Fuel injection (Bosch Motronic), throttle bodies, fuel pump, fuel filter, fuel lines, injectors. Ignition System: Ignition coils, spark plugs, Motronic ECU, wiring diagrams. Transmission: Clutch operation, gearbox disassembly and assembly, gear selection mechanism, final drive (Paralever). Brakes: ABS II/III system (if equipped), hydraulic lines, master cylinders, calipers, brake pads, rotor specifications. Suspension: Front telescopic fork (often Showa or WP, with adjustable preload/rebound), rear Monolever (R) or Paralever (S) single shock absorber (adjustable spring preload and rebound damping), linkage system. Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, horn, instrument cluster, sensors, ECU. Chassis Bodywork: Frame inspection, fairings, seat, fuel tank, handlebars, footpegs, exhaust system. Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter cleaning/replacement, valve clearance checks and adjustment, brake fluid flush, clutch fluid flush, final drive oil change. Troubleshooting: Diagnostic procedures for common issues, error codes (if applicable), symptom-based fault finding. Component Rebuild: Detailed step-by-step instructions for rebuilding engine components, transmission, forks, and shock absorbers. Special Tools: Identification and usage of specialized BMW tools required for certain procedures (e.g., flywheel holding tool, torque wrenches). Technical Depth Depth: Comprehensive, covering from basic servicing to complete engine and gearbox rebuilds, including electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Print Readability: High resolution, suitable for printing Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Four-stroke, air/oil-cooled Boxer-twin Displacement: 1085 cc Bore X Stroke: 99 mm x 70.5 mm Compression Ratio: 10.3:1 Valvetrain: Two valves per cylinder, overhead camshaft (OHC) Performance Horsepower: Approx. 90 hp (67 kW) at 7250 rpm (R1100R), Approx. 98 hp (73 kW) at 7500 rpm (R1100S) Torque: Approx. 98 Nm (72 lb-ft) at 5250 rpm (R1100R), Approx. 107 Nm (79 lb-ft) at 5500 rpm (R1100S) Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, minimum 95 RON (Octane Rating) Lubrication Oil Type: SAE 15W-50 or 20W-50 API SG/SH motorcycle oil 🔧 Transmission Standard Type: 5-speed manual transmission Features Clutch: Dry, single-plate clutch (hydraulically actuated) Final Drive: Shaft drive with Paralever system Final Drive Oil: SAE 80W-90 API GL-5 hypoid gear oil 📐 Dimensions Exterior Length Approx: 2150 mm (R1100R), 2170 mm (R1100S) Width Approx: 800 mm (R1100R), 850 mm (R1100S, including mirrors) Height Approx: 1250 mm (R1100R), 1220 mm (R1100S, seat height) Weights Dry Weight Approx: 235 kg (R1100R), 239 kg (R1100S) Wet Weight Approx: 255 kg (R1100R), 259 kg (R1100S) Max Payload: Approx. 200 kg 🛡️ Safety Features Ratings ABS: Optional BMW Motorrad ABS II or ABS III Active Features Braking System: Dual front discs, single rear disc with hydraulic actuation. Passive Features Lighting: Halogen headlamp, LED taillight, turn signals. 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer and speedometer, digital display for odometer, trip meters, clock, temperature, and gear indicator (on some models). Driver Assistance ABS: Integral part of the braking system, providing anti-lock functionality. Connectivity Diagnostics: On-board diagnostics via proprietary BMW connectors, requiring specific tools for full access. 🔧 Maintenance Service Intervals Oil Change: Every 10,000 km or 12 months Valve Clearance: Every 20,000 km Spark Plugs: Every 20,000 km Brake Fluid: Every 24 months Fluid Specifications Engine Oil Capacity: 4.0 liters (4.2 US quarts) with filter change Transmission Oil Capacity: 0.25 liters (0.26 US quarts) Final Drive Oil Capacity: 0.18 liters (0.19 US quarts) Known Issues Fuel Pump Reliability: Early models could experience fuel pump issues; later replacements are more robust. Hall Sender Unit: Can fail, leading to starting problems or stalling. Located near the crankshaft. ABS Modulator: Potential for ABS modulator failure or leaks over time, requiring specialized bleeding procedures. Clutch Slave Cylinder: Can leak; replacement is a common maintenance item. 📚 Vehicle History Brand Heritage Bmw Motorcycles: BMW Motorrad, a division of BMW AG, has a long and storied history of producing innovative and...