🏷️ Basic Information

Make:

BMW

Model:

R1100S

Model Variant:

Standard, ABS models

Chassis Code:

R259S

Engine Code Series:

R259

👋 Introduction

Segment:

Sport Touring Motorcycle

Target Audience:

Owners seeking to perform their own maintenance and repairs, independent workshops, and enthusiast technicians.

Key Competitors:

Honda VFR series, Yamaha FJR series, Kawasaki GTR series, Ducati ST series.

Unique Selling Points:

Boxer engine layout, Telelever front suspension, shaft drive, strong torque delivery, excellent wind protection, comfortable for long-distance riding.

Manual Value Proposition:

Provides professional-level repair and maintenance guidance, enabling owners to save on service costs and understand their motorcycle's complex systems.

📋 Manual Details

Years Covered:

1999 Onward

Geographic Coverage:

Global (specifications may vary by region)

Estimated Pages:

Likely 500+ pages (typical for comprehensive service manuals)

Type:

Service and Repair Workshop Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Complete overhaul, diagnosis, tuning, internal components (pistons, rings, valves, crankshaft, camshafts, timing chain), lubrication system, cooling system, fuel injection system (Motronic), exhaust system, emission control systems.

Transmission:

Six-speed gearbox, clutch assembly (dry single-plate clutch), final drive, driveshaft, gearbox oil, troubleshooting, repair procedures.

Chassis Suspension:

Front Telelever suspension, rear Monolever swingarm, shock absorbers (Öhlins optional), fork seals, bearing maintenance, wheel alignment, spring rates.

Brakes:

Hydraulic brake system (ABS II or Integral ABS variations), disc brake components (calipers, rotors, pads), master cylinders, brake fluid specifications and bleeding procedures, parking brake system.

Electrical System:

Wiring diagrams, battery, charging system (alternator, voltage regulator), ignition system, starter motor, lighting system (headlight, taillight, indicators), horn, instrumentation, electronic control unit (ECU) diagnosis, diagnostic codes.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel filter replacement, throttle body maintenance, idle control.

Bodywork Fittings:

Fairings, seat removal, luggage systems, handlebar replacement, minor body panel repair and alignment, instrument panel removal.

Maintenance:

Regular service intervals, oil changes, filter replacements, spark plug servicing, valve clearance checks and adjustment, brake fluid flushes, lubrication points, chain adjustment (if applicable to later variants), battery maintenance.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon faults, fault code interpretation, electrical system troubleshooting, engine performance issues, starting problems, running irregularities.

Repair:

Detailed step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation of all major mechanical and electrical systems.

Technical Specifications:

Torque specifications for all fasteners, engine tolerances, fluid capacities and types, electrical system voltages, diagnostic parameters, tire pressures, suspension settings.

Depth:

Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds. Includes detailed diagnostic information, wiring diagrams, and component testing procedures.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable text for keywords, facilitating quick information retrieval.

Print Quality:

Designed for clear viewing and printing, with diagrams and text readable.

Binding:

N/A (Digital PDF format)

Paper Quality:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Air/Oil-cooled, four-stroke, flat-twin (boxer) engine

Displacement:

1085 cc (1.1 Liters)

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

11.3:1

Horsepower:

90 hp (67 kW) @ 7250 rpm (approx.)

Torque:

98 Nm (72 lb-ft) @ 6000 rpm (approx.)

Fuel Delivery:

Bosch Motronic 2.4 electronic fuel injection with dual throttle bodies

Fuel Type:

Unleaded gasoline, minimum 95 RON

Ignition System:

Electronic ignition with knock sensor

Emission Control:

Catalytic converter (Euro 1/2 compliance), secondary air injection system (SAS)

🔧 Transmission

Type:

6-speed, constant mesh gearbox

Clutch:

Dry, single-plate clutch, hydraulically actuated

Final Drive:

Shaft drive with maintenance-free universal joint

Gear Ratios:

Ratio information available in manual

Gearbox Oil:

BMW recommendation: SAE 75W/90 API GL 5 or equivalent

📐 Dimensions

Length:

Approx. 2150 mm (84.6 in)

Width:

Approx. 930 mm (36.6 in) (incl. mirrors)

Height:

Approx. 1270 mm (50 in) (seat height adjustable)

Dry Weight:

Approx. 220 kg (485 lbs)

Gross Vehicle Weight:

Approx. 450 kg (992 lbs)

Fuel Tank Capacity:

25 Liters (6.6 US gal), including 3 Liters reserve

🛡️ Safety Features

ABS:

Optional ABS II or Integral ABS available on many models, with detailed service procedures in manual.

Braking System:

Dual disc front, single disc rear with dual-piston calipers (or four-piston on some models); integral or non-integral ABS options.

Lighting:

Halogen headlight, integrated turn signals, LED taillight.

💡 Technology Features

Instrumentation:

Analog tachometer and speedometer, LCD display for fuel level, gear indicator, clock, odometer, trip meter, and diagnostic codes.

ABS System:

Bosch ABS II or Integral ABS providing anti-lock braking for enhanced safety.

Diagnostic Port:

On-board diagnostic system (OBD-style) accessible via a dedicated port for fault code retrieval and system checks.

🔧 Maintenance

Oil Change:

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

Valve Check:

Every 20,000 km (12,000 miles).

Spark Plugs:

Replace every 40,000 km (24,000 miles) or as needed based on inspection.

Brake Fluid:

Replace every 2 years, regardless of mileage.

Engine Oil:

BMW Motorrad ADVANTEC Ultimate 5W-40 Synthetic or equivalent (API SJ/SL, ACEA A3/B4 or B3).

Engine Oil Capacity:

Approx. 4.0 Liters (4.2 US Quarts) with filter change.

Brake Fluid:

DOT 4 brake fluid.

Coolant:

BMW Motorrad Coolant (ethylene glycol based) or equivalent, mixed 50/50 with distilled water.

Clutch Slave Cylinder:

Potential for seal leaks on the hydraulic clutch slave cylinder, requiring replacement.

ABS Modulator:

Early ABS systems can sometimes develop issues with the modulator unit, often requiring professional diagnosis and repair/replacement.

Telelever Pivot Bearings:

Check and lubricate pivot bearings as per service schedule; potential for wear if neglected.

Fuel Pump Relay:

Occasionally, fuel pump relay failure can cause starting or running issues.

📚 Vehicle History

Bmw Motorrad:

BMW Motorrad, established in 1923, renowned for engineering excellence, innovation (e.g., boxer engine, shaft drive), and durability.

R Series:

The R1100S is part of the modern boxer-twin R series, succeeding the R100RS and R100RT, and preceding the R1150RS/RT and R1200RT/S models. It represented a significant step forward in performance and technology for BMW's sport-touring lineup.

Production Years:

1998-2005

Manufacturing Location:

Berlin, Germany (BMW Motorrad Plant)

🏆 Awards & Recognition

Performance Reviews:

Consistently praised in contemporary motorcycle press for its blend of performance, comfort, and technological sophistication. Often cited as a benchmark for sport-touring motorcycles of its era.

Reliability Perception:

Generally considered a reliable and well-engineered machine, benefiting from BMW's robust build quality. Regular maintenance as outlined in the manual is crucial for long-term reliability.