🏷️ Basic Information

Make:

BMW

Model:

R 1100 S

Year:

2004

👋 Introduction

Positioning:

The R 1100 S was BMW's sport-touring motorcycle, designed to offer performance with comfort for longer distances, competing with other European and Japanese sportbikes of its era.

Competitors:

Competed against models like the Ducati ST series, Yamaha YZF1000R Thunderace, and Kawasaki Ninja ZX-9R in its segment.

Vehicle Highlights:

Characterized by its boxer-twin engine, Telelever front suspension, Paralever rear suspension, and optional ABS, offering a unique blend of performance and long-distance comfort.

Suspension Technology:

Features BMW's innovative Telelever front suspension system for improved steering geometry under braking and the Paralever rear single-sided swingarm for precise power delivery.

📋 Manual Details

General Coverage:

Maintenance, troubleshooting, repair, and overhaul procedures

Specific Systems:

Engine, transmission, clutch, suspension, braking, electrical system, fuel system, exhaust, chassis, bodywork

Estimated Pages:

Approximately 400-500 pages (typical for comprehensive service manuals)

Type:

Service Repair Manual

Language:

English

Format:

Digital (PDF) or Printed

📖 Manual Coverage

Engine:

Detailed inspection, overhaul, timing, valve adjustment, component replacement (pistons, rings, bearings, seals)

Transmission:

Gearbox inspection, repair, lubrication, clutch system servicing (dry clutch operation)

Electrical System:

Wiring diagrams, component testing (alternator, starter, ignition system, lighting, sensors), ECU diagnosis

Braking System:

ABS operation and bleeding (if equipped), brake caliper overhaul, pad replacement, fluid flush

Suspension And Steering:

Front fork servicing (oil change, seal replacement), rear shock absorber adjustment and replacement, steering head bearing inspection and adjustment

Fuel System:

Fuel tank removal/installation, fuel pump, fuel filter replacement, fuel injector cleaning and testing.

Exhaust System:

Exhaust pipe and muffler inspection, gasket replacement, mounting hardware.

Chassis And Bodywork:

Frame inspection, fairing component removal and installation, seat, tank, and handle grip replacement.

Routine Maintenance:

Oil and filter changes, air filter replacement, spark plug replacement, fluid level checks and top-offs

Troubleshooting:

Diagnostic charts for common symptoms and their causes, step-by-step diagnostic procedures

Repair And Overhaul:

Complete engine rebuild, gearbox overhaul, component replacement, body panel repair and replacement

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems, color-coded for clarity.

Depth:

Comprehensive, covering basic to advanced repairs and diagnostics, suitable for professional technicians and experienced DIY enthusiasts

Diagnostic Capabilities:

Includes detailed diagnostic procedures for electrical faults, engine performance issues, and ABS system malfunctions, often referencing fault codes.

📊 Manual Specifications

Digital Format Details:

Searchable text, hyperlinked sections, high-resolution diagrams and photos

Printed Quality:

Professional printing with clear text and crisp images

Printed Binding:

Lay-flat binding for easy use in a workshop environment

Printed Paper:

Durable, high-gloss paper to withstand workshop conditions

Completeness Level:

This is a comprehensive workshop manual, providing all necessary information for maintenance, repair, and troubleshooting, equivalent to factory service information.

Diagrams And Illustrations:

Includes detailed exploded views, wiring diagrams, and step-by-step illustrations for complex procedures.

⚙️ Engine Specifications

Engine Type:

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

Displacement:

1085 cc

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

10.7:1

Horsepower:

90 hp (67 kW) at 7,250 rpm

Torque:

97 Nm (71.5 lb-ft) at 5,750 rpm

Fuel Delivery:

Bosch Motronic MA 2.4 fuel injection with two throttle bodies

Fuel Type:

Unleaded gasoline, minimum 95 octane

Ignition Type:

Digital electronic ignition

Oil Type:

API SG or higher, SAE 20W-40 motorcycle specific oil

Oil Capacity:

Approximately 4.0 liters (4.2 US qt) with filter change

Cylinder Arrangement:

Opposed-twin cylinder, longitudinal crankshaft

Valve Train:

Two valves per cylinder, operated by pushrods and rocker arms, overhead valve configuration.

🔧 Transmission

Transmission Type:

6-speed, constant-mesh gearbox

Clutch Type:

Single dry plate, hydraulically operated clutch

Final Drive:

Shaft drive with bevel gear

1St Gear:

1.400

2Nd Gear:

1.765

3Rd Gear:

2.167

4Th Gear:

2.429

5Th Gear:

2.667

6Th Gear:

2.933

📐 Dimensions

Length:

Approx. 2,170 mm (85.4 in)

Width Handlebar:

Approx. 900 mm (35.4 in)

Height Seat:

Approx. 810 mm (31.9 in) (standard seat height)

Dry Weight:

Approx. 230 kg (507 lbs)

Gross Vehicle Weight Rating:

Approx. 440 kg (970 lbs)

Curb Weight:

Approx. 242 kg (533.5 lbs) with standard equipment

🛡️ Safety Features

ABS:

Optional BMW Motorrad Integral ABS (Anti-lock Braking System)

Braking System:

Dual 320 mm discs with 4-piston calipers (front), Single 265 mm disc with 2-piston caliper (rear)

Lighting:

Halogen headlight, LED taillight

💡 Technology Features

Instrumentation:

Analog tachometer and speedometer, digital display for fuel level, gear indicator, clock, trip meters, and warning lights.

ABS System:

Integral ABS (optional) with dual-channel operation, providing enhanced braking stability.

Diagnostic Interface:

On-board diagnostic system compatible with BMW diagnostic tools for engine management and ABS troubleshooting.

🔧 Maintenance

Oil Change Interval:

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

Major Service Interval:

Every 20,000 km (12,000 miles) for valve clearance, spark plugs, and general inspection

Brake Fluid:

DOT 4

Gearbox Oil:

SAE 75W-90 GL-5 gear oil (BMW recommends specific grades, consult manual)

Fork Oil:

BMW recommends specific fork oil viscosity, typically SAE 7.5W or 10W

Fuel Tank Capacity:

25 liters (6.6 US gallons)

Common Complaints:

Occasional issues can include fuel pump wear, clutch slave cylinder leaks, and paralever spline lubrication requiring attention. Some models might experience stator coil degradation.

Preventative Measures:

Regular lubrication of the paralever shaft and clutch splines, checking fuel pump connections and listening for abnormal noises.

📚 Vehicle History

Bmw Motorcycle History:

BMW has a long and storied history in motorcycle manufacturing, dating back to the 1920s, known for its engineering prowess and distinctive boxer-twin engines.

R 1100 S Evolution:

Introduced in 1998 as a sportier variant of the R 1100 series, bridging the gap between traditional touring and pure sportbikes. The 2004 model represents a mature iteration of this platform.

Production Period:

1998-2005

🏆 Awards & Recognition

Overall Reputation:

The R 1100 S is generally well-regarded for its distinctive character, comfortable ergonomics for a sportbike, and the reliable, torquey boxer engine, though it's not typically associated with specific annual awards but rather a consistent positive reception from enthusiasts.