Model Variant:
Sportbike/Touring Motorcycle
Production Years Covered:
1999, 2000, 2001, 2002, 2003, 2004, 2005
Positioning:
The BMW R1100S was positioned as a sport-touring motorcycle, blending the performance of a sportbike with the comfort and practicality for longer distances. It appealed to riders seeking a versatile machine capable of spirited riding and touring.
Competitors:
Competed with models like the Ducati ST series, Honda VFR800, Yamaha YZF1000R Thunderace, and Kawasaki GTR1000.
Defining Features:
Boxer-twin engine, Telelever front suspension, Paralever rear suspension, optional ABS II, sport-oriented riding position, versatile for sport touring.
Primary Coverage:
Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics
Estimated Page Count:
500+
Type:
Service Repair Manual
Format:
Downloadable Digital File (Likely PDF)
Searchability:
Likely searchable text (depending on scan quality)
Illustrations:
Highly illustrated with clear step-by-step instructions
Engine:
Complete overhaul, tuning, fuel injection, ignition, lubrication, cooling
Transmission:
Clutch, gearbox, final drive, lubrication
Chassis:
Frame, suspension (front Telelever, rear Paralever), steering
Brakes:
ABS II, front and rear braking systems, hydraulic lines, calipers, discs
Electrical:
Wiring diagrams, battery, charging system, lighting, ignition, starter, instrumentation, ECU
Fuel System:
Fuel pump, injectors, sensors, fuel tank, lines
Exhaust System:
Catalytic converter, mufflers, lambda sensors
Bodywork:
Fairing, seat, fuel tank, fenders, luggage options
Maintenance:
Scheduled service, oil changes, filter replacements, brake fluid flush, valve clearance checks
Repair:
Engine rebuilds, transmission overhaul, suspension component replacement, electrical component repair
Troubleshooting:
Diagnostic charts, common fault identification, error code interpretation
Diagnostics:
Fault finding, component testing, sensor calibration
Adjustments:
Throttle, clutch, idle speed, suspension settings
Depth:
Comprehensive; covers routine maintenance to complete engine and gearbox rebuilds, including electrical system diagnostics and ABS system servicing.
Engine Type:
Air/oil-cooled, four-stroke, boxer-twin cylinder
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.7:1
Valve Train:
SOHC, 4 valves per cylinder, pushrod actuated
Horsepower:
90 hp @ 7250 rpm (approx.)
Torque:
71.7 lb-ft @ 5750 rpm (approx.)
Fuel Delivery:
Bosch Motronic 2.4 electronic fuel injection with two throttle bodies
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Engine Oil Type:
API SG/SH, JASO MA, SAE 20W-50 or 15W-50 synthetic recommended
Engine Oil Capacity:
4.0 liters (4.2 US qt) with filter change
Transmission Oil Type:
API GL-5, SAE 75W-90 synthetic
Transmission Oil Capacity:
0.25 liters (0.26 US qt)
Length:
2170 mm (85.4 in)
Width:
920 mm (36.2 in) at handlebars
Height:
1280 mm (50.4 in) at handlebars
Wheelbase:
1476 mm (58.1 in)
Dry Weight:
224 kg (494 lbs)
Wet Weight:
247 kg (545 lbs) (approx., with full fluids)
Gross Vehicle Weight Rating:
450 kg (992 lbs)
Fuel Capacity:
25 liters (6.6 US gal), including 4 liter reserve
ABS:
Optional BMW Motorrad ABS II (two-channel)
Braking System:
Hydraulic dual disc front brake with 320 mm discs, single disc rear brake with 276 mm disc.
Lighting:
Halogen headlight, multi-reflector taillight, turn signals.
Instrumentation:
Analog tachometer and speedometer, LCD display for fuel level, odometer, trip meters, clock, gear indicator (on some models), warning lights.
ABS:
Optional ABS II braking system, which was advanced for its time.
Diagnostic Port:
On-board diagnostic system accessible via a dedicated port, allowing for fault code retrieval (often requires specialized BMW diagnostic tools).
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually
Major Service Interval:
Every 20,000 km (12,000 miles) - includes valve clearance check, spark plug replacement, brake fluid flush, final drive oil change.
Air Filter Replacement:
As needed, typically every 10,000-20,000 km depending on conditions.
Coolant Type:
N/A (Air/oil-cooled)
Common Wear Items:
Clutch wear, fuel pump longevity, ABS sensor issues, exhaust system corrosion, rear shock absorber depreciation over time.
Electrical Gremlins:
Some models can experience intermittent issues with the instrument cluster or main wiring harness connections, especially after many years.
Maintenance Tips:
Regular cleaning of the ABS sensors and ensuring clean electrical connections are vital for consistent ABS performance. Proper maintenance of the Telelever and Paralever joints is also recommended.
Heritage:
BMW Motorrad has a long history of producing durable and innovative motorcycles, particularly known for its boxer-twin engine configurations and engineering excellence since the early 20th century.
Evolution:
The R1100S was part of BMW's evolution of the boxer-twin engine into a more modern, sport-oriented platform. It followed the R100 series and was a precursor to later S models like the R1200S. Key advancements included fuel injection, modern suspension systems, and improved ergonomics for a sport-touring focus.
Manufacturing Location:
Berlin, Germany
