Segment:
Sport Touring Motorcycle
Target Audience:
Discerning riders seeking performance, comfort, and BMW's engineering pedigree for long-distance touring and spirited riding.
Key Competitors:
Honda VFR800 Interceptor, Yamaha YZF1000R Thunderace, Kawasaki ZX-10 Tomcat, Ducati ST2
Unique Selling Points:
Boxer-twin engine configuration, Telelever front suspension, Paralever rear suspension, robust build quality, comfortable ergonomics for touring, capable performance.
Value For Owner:
Empowers owners to perform essential maintenance and complex repairs, saving costs and ensuring optimal performance and longevity of their R1100S.
Engine System:
Engine disassembly, assembly, diagnosis, tuning, lubrication, cooling system, fuel system (EFI), exhaust system
Transmission System:
Gearbox inspection, maintenance, repair, clutch system, final drive, driveshaft, driveshaft boot
Chassis And Suspension:
Front suspension (Telelever), rear suspension (Paralever), shock absorbers, fork seals, steering head bearings, wheel bearings
Braking System:
Brake fluid replacement, brake pad and disc inspection/replacement, ABS system (if equipped), hydraulic lines, brake calipers
Electrical System:
Wiring diagrams, battery, alternator, starter motor, ignition system, lighting, instrumentation, fuses, relays, ECU troubleshooting
Fuel System:
Fuel injection system components (injectors, fuel pump, throttle body), fuel tank, fuel lines, fuel pressure testing
Bodywork And Fittings:
Fairing removal/installation, seat, fuel tank, side panels, mirrors, luggage systems (optional)
Exhaust System:
Catalytic converter (if equipped), muffler, exhaust pipe maintenance and inspection.
Cooling System:
Oil cooling system: oil cooler inspection, oil lines, oil filter replacement, oil level verification.
Routine Maintenance:
Oil changes, filter replacements, spark plug inspection/replacement, air filter cleaning/replacement, valve clearance checks, chain/driveshaft lubrication
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable)
Repair And Overhaul:
Detailed step-by-step instructions for component repair and complete engine/transmission overhauls
Technical Specifications And Data:
Torque values, clearances, fluid capacities, wiring diagrams, component identification
Electrical Diagnostics:
Wiring diagrams, component testing, troubleshooting common electrical faults, fuse and relay identification.
Suspension Setup:
Adjustment procedures for front and rear suspension, fork oil level and type specifications, spring preload settings.
Depth Of Coverage:
Comprehensive: Covers basic adjustments to complete engine and transmission rebuilds, electrical system diagnostics, and frame/suspension repairs.
Diagnostic Charts:
Includes symptom-based diagnostic flowcharts for identifying and resolving various mechanical and electrical issues.
Engine Type:
Four-stroke, horizontally opposed twin-cylinder (Boxer)
Displacement:
1085 cc (1.1 Liters)
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.7:1
Valve Train:
SOHC, 4 valves per cylinder, shaft driven camshaft
Horsepower:
90 hp (66 kW) @ 7500 rpm
Torque:
98 Nm (72 lb-ft) @ 5750 rpm
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 95 octane (RON)
Ignition Type:
Electronic ignition
Oil Capacity:
Approximately 4.0 liters (4.2 US quarts) with filter change.
Safety Certifications:
CE Marking (typical for European market models)
Anti Lock Braking System:
Optional BMW Integral ABS (Anti-lock Braking System)
Lighting:
Halogen headlamp, LED tail light (depending on specific year/market)
Frame Construction:
Aluminum alloy frame providing rigidity and light weight
Braking System Type:
Dual front discs with 4-piston calipers, single rear disc with 2-piston caliper
Instrumentation:
Analog speedometer and tachometer, LCD display for odometer, trip meter, fuel level, engine temperature, clock, gear indicator (optional).
ABS System:
Integral ABS was an option, providing integrated front and rear braking control.
Diagnostic Ports:
On-board diagnostics connector for electronic troubleshooting (specific to BMW diagnostic tools).
Oil Change Interval:
Every 10,000 km (6,200 miles) or annually, whichever comes first.
Valve Clearance Check:
Every 20,000 km (12,500 miles)
Spark Plug Replacement:
Every 20,000 km (12,500 miles)
Engine Oil Type:
SAE 20W-50 or 15W-50 API SG or higher (BMW recommends their own branded oils like BMW Motor Oil 20W-50).
Transmission Oil Type:
SAE 75W-90 API GL-5 synthetic gear oil (check manual for specific BMW designation).
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water.
Common Wear Items:
Clutch wear, driveshaft U-joints, wheel bearings, steering head bearings, fuel pump, regulator.
Electrical Quirks:
Can be susceptible to issues with the dashboard illumination, indicator relays, and sometimes the alternator.
Maintenance Schedule Summary
Major Service Points:
10,000 km: Oil, filter, check spark plugs. 20,000 km: Valve check, new spark plugs, air filter service, brake fluid. 40,000 km: Replace brake pads, check suspension components.
Brand History:
BMW Motorrad, a division of Bayerische Motoren Werke AG, has a long-standing history of producing high-quality, innovative motorcycles, particularly known for their boxer engines and touring capabilities.
Development Context:
The R1100S was developed as a sportier interpretation of BMW's boxer-engined touring motorcycles, bridging the gap between traditional touring and sportbikes.
Key Design Innovations:
Introduction of the Telelever front suspension and Paralever rear suspension for improved handling and ride comfort.
Production Start Year:
1998
Production End Year:
2005
Manufacturing Location:
Berlin, Germany (BMW Motorrad Plant)
