Motorcycle Segment:
Sport-touring motorcycle
Target Audience:
BMW R1100S owners seeking to perform their own maintenance and repairs
Competitive Segment:
Competed with sport-touring motorcycles from brands like Honda, Yamaha, and Kawasaki during its production run.
Unique Selling Points:
Distinctive boxer-twin engine, Telelever front suspension, Paralever rear suspension, blend of sportbike performance and touring comfort.
Manual Value Proposition:
Empowers owners to maintain and repair their R1100S confidently, saving on dealership costs and ensuring longevity.
Engine Mechanical:
Engine disassembly, assembly, overhaul, troubleshooting, specifications
Fuel System:
Fuel injection system (EFI), fuel pump, injectors, fuel lines, throttle body
Ignition System:
Ignition coils, spark plugs, ECU control, timing
Transmission:
Gearbox disassembly, assembly, clutch operation, final drive
Brakes:
Hydraulic system, ABS (if equipped), brake calipers, master cylinders, bleeding procedures
Suspension:
Front forks (Telelever), rear shock absorber (Paralever), bearings, seals
Electrical System:
Wiring diagrams, battery, charging system, starter motor, lighting, instrumentation, ECU
Bodywork Chassis:
Frame, fairings, seat, fuel tank, body panels, mounting points
Cooling System:
Oil cooling system, oil pump, oil filter, oil cooler
Exhaust System:
Exhaust headers, mufflers, catalytic converter (if applicable)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, valve clearance adjustment
Troubleshooting:
Diagnostic charts for common problems and their solutions
Repair Overhaul:
Step-by-step instructions for component disassembly, repair, and reassembly
Diagnostics:
Fault code retrieval and interpretation (if applicable via diagnostic tools)
Electrical Diagnostics:
Testing of electrical components and circuits using multimeter and wiring diagrams
Depth:
Comprehensive; suitable for professional technicians and advanced DIY enthusiasts
Detail Level:
Detailed procedures, torque specifications, clearances, electrical schematics
Engine Type:
Air/oil-cooled, four-stroke, flat-twin boxer engine
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.7:1
Valve Train:
2 valves per cylinder, overhead camshaft (OHC)
Horsepower:
90 hp @ 7250 rpm (approx.)
Torque:
70.8 lb-ft @ 5500 rpm (approx.)
Fuel Delivery:
Bosch Motronic 2.2 Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane
Oil Type:
SAE 20W-50 or 15W-50 API SG/SH motorcycle oil
Oil Capacity:
Approximately 4.0 liters (4.2 US quarts) with filter change
Spark Plugs:
NGK CR9EK or equivalent
Spark Plug Gap:
0.7 - 0.8 mm (0.028 - 0.031 in)
Safety Standards:
Compliant with relevant European and US motorcycle safety regulations of the era.
Braking System:
Integral ABS II (optional on early models, standard on later versions), dual 320mm discs front, single 265mm disc rear.
Lighting:
Halogen headlight, LED taillight
Frame Construction:
Steel Trellis Frame
Infotainment System:
N/A (No integrated infotainment system; primarily a performance-oriented motorcycle)
ABS:
Integral ABS II (Anti-lock Braking System) was an option on early models and became more standard, designed for enhanced braking control.
ECU:
Bosch Motronic 2.2 Engine Control Unit (ECU) managing fuel injection and ignition timing.
Dashboard:
Analog tachometer and speedometer, LCD display for odometer, trip meter, clock, and basic warning lights.
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually
Filter Change Interval:
With every oil change
Valve Clearance Check:
Every 20,000 km (12,000 miles)
Spark Plug Replacement:
Every 20,000 km (12,000 miles)
Brake Fluid:
DOT 4 hydraulic brake fluid
Coolant Type:
N/A (Air/Oil cooled engine, no coolant)
Common Wear Items:
Clutch plates, steering head bearings, fuel pump, fork seals, rear shock absorber.
Electrical Gremlins:
Intermittent electrical faults can occur, often related to aging wiring or connectors. Manual provides diagnostic steps.
ABS Reliability:
Early ABS systems can be complex to service; the manual details troubleshooting for ABS faults.
Required Tools:
Standard motorcycle tools, torque wrench, multimeter, BMW diagnostic interface (optional but recommended for advanced diagnostics).
Manufacturer:
BMW Motorrad, a division of Bayerische Motoren Werke AG.
Bmw Motorrad Legacy:
Long history of producing innovative and durable motorcycles, known for boxer engines and shaft drive.
Key Updates 1999-2002:
Minor styling updates, potential ECU revisions, availability of Integral ABS II became more widespread.
Production Period:
1996 - 2005
Manufacturing Location:
Berlin, Germany
