🏷️ Basic Information

Make:

BMW

Model:

R1100S

Vehicle Type:

Sport Touring Motorcycle

👋 Introduction

Market Segment:

Sport Touring Motorcycle

Target Audience:

BMW R1100S owners seeking to perform maintenance and repairs themselves, independent workshops, and professional BMW technicians.

Key Competitors:

Honda VFR750/VFR800, Kawasaki ZZR1100, Yamaha FJR1300, Ducati ST series.

Unique Selling Proposition:

Comprehensive coverage of BMW's innovative Boxer Twin engine and Telelever/Monolever suspension systems, providing in-depth maintenance and repair guidance.

Manual Authority:

Official factory documentation, mirroring the content used by authorized BMW service centers.

📋 Manual Details

Primary Coverage Years:

1999-2005 (likely covers the primary production run)

Engine Variants Covered:

R1100S (1085cc Boxer Twin)

Estimated Page Count:

500-700 pages (typical for a comprehensive factory service manual)

Manual Type:

Factory Service Manual / Workshop Manual

Language:

English

Format:

Printed Book

📖 Manual Coverage

Engine Mechanical:

Complete disassembly, inspection, and reassembly of the Boxer Twin engine, including cylinder heads, pistons, crankshaft, connecting rods, and valve train.

Fuel System:

Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel pressure regulator, throttle body diagnostics and adjustment.

Ignition System:

Ignition coils, spark plugs, ECU control, timing adjustments.

Transmission And Drivetrain:

Clutch operation (dry single-plate), gearbox inspection and repair, final drive (shaft drive) maintenance and overhaul.

Suspension:

Front Telelever suspension, rear Monolever suspension (shock absorber, linkage, fork seals, oil levels and replacement).

Brakes:

Front and rear disc brakes, ABS II (or optional ABS-Sport), brake fluid replacement, caliper service, pad replacement, line bleeding.

Electrical System:

Wiring diagrams, battery maintenance, alternator, starter motor, lighting system, fuses, relays, instrument cluster.

Chassis And Bodywork:

Frame inspection, fairing removal and installation, seat, fuel tank, fenders, exhaust system.

Routine Maintenance:

Oil and filter changes, air filter service, spark plug replacement, brake pad replacement, chain/drive shaft lubrication and adjustment.

Troubleshooting:

Diagnostic procedures for common electrical and mechanical issues, fault code interpretation (if applicable via diagnostic tools).

Major Repairs:

Engine rebuilds, transmission overhauls, suspension component replacement, electrical system diagnostics and repair.

Component Overhaul:

Detailed instructions for overhauling calipers, fuel injectors, alternators, starter motors, and other key components.

Torque Specifications:

Comprehensive list of torque values for all fasteners critical to engine, chassis, and suspension assembly.

Diagnostic Capabilities:

Advanced diagnostics, including electronic system analysis and interpretation of diagnostic trouble codes (DTCs) where applicable via BMW diagnostic tools.

Rebuild Information:

Complete engine and transmission rebuild procedures, including clearance specifications and part tolerances.

Specifications Data:

Detailed technical data, including measurements, tolerances, fluid capacities, and electrical specifications.

📊 Manual Specifications

File Format:

N/A (Printed)

Print Quality:

Professional high-quality printing with clear diagrams and text.

Binding Type:

Perfect Binding or Spiral Bound (common for workshop manuals for lay-flat use)

Paper Type:

Durable, high-quality paper suitable for workshop environments.

⚙️ Engine Specifications

Engine Type:

Air-cooled, four-stroke, flat-twin (Boxer) engine

Displacement:

1085 cc (1085 cubic centimeters)

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

10.7:1

Valve Train:

Two valves per cylinder, pushrod actuated overhead valves (OHV)

Horsepower:

90 hp (67 kW) @ 7250 rpm

Torque:

98 Nm (72 lb-ft) @ 6000 rpm

Fuel Delivery:

Electronic Fuel Injection (Bosch Motronic 2.2)

Fuel Type:

Unleaded Premium (95 RON / 91 AKI)

Oil Type:

API SG/SH or JASO MA rated synthetic or semi-synthetic motorcycle oil, SAE 20W-40 or 10W-40 recommended.

Oil Capacity:

Approximately 4.0 liters (4.2 US quarts) with filter change.

🔧 Transmission

Transmission Type:

5-speed manual gearbox

Clutch Type:

Dry, single-plate clutch

Final Drive:

Shaft drive

Gearbox Oil Type:

SAE 75W/90 API GL-5 gear oil.

Gearbox Oil Capacity:

Approximately 0.75 liters (0.79 US quarts).

📐 Dimensions

Wheelbase:

1495 mm (58.9 inches)

Dry Weight:

217 kg (478 lbs)

Wet Weight:

236 kg (520 lbs) (approximate, with fluids)

🛡️ Safety Features

ABS Availability:

Optional ABS II (or ABS-Sport on some later models)

Braking System:

Hydraulically operated disc brakes front and rear with multi-piston calipers. Single disc front, single disc rear.

Frame Construction:

Steel trellis frame.

💡 Technology Features

Instrumentation:

Analog speedometer and tachometer, digital odometer, trip meters, clock, gear indicator, fuel gauge, temperature warning lights.

ABS:

Optional ABS II or ABS-Sport system for enhanced braking control.

Diagnostic Interface:

OBD-II connector (or proprietary BMW diagnostic port) for electronic diagnostics.

Headlight Type:

Halogen headlight (dual bulb setup often used).

🔧 Maintenance

Oil Change Interval:

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

Valve Adjustment Interval:

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

Spark Plug Replacement Interval:

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

Brake Fluid Type:

DOT 4 brake fluid.

Telelever Fork Oil Type:

SAE 7.5W suspension fluid.

Telelever Fork Oil Quantity:

190 ml per leg (check manual for precise amount).

Common Problems:

Hall sensor issues causing starting problems, clutch slave cylinder leaks, occasional ABS sensor faults, Telelever seal wear.

Maintenance Tips:

Regularly check gearbox and final drive oil levels, ensure proper torque on exhaust clamps, and keep the electrical connectors clean and protected.

📚 Vehicle History

Manufacturer:

Bayerische Motoren Werke AG (BMW)

Heritage Focus:

Known for engineering excellence, boxer engines, and shaft drive systems in motorcycles.

Predecessor:

BMW R1100RS (Sport-Touring sibling with different ergonomics and fairing).

Successor:

BMW R1150RS, BMW R1200S.

Production Years:

1999 - 2005

Manufacturing Location:

Berlin, Germany (BMW Motorrad Plant)

🏆 Awards & Recognition

General Reputation:

Praised for its comfortable riding position for long distances, capable handling for its class, and the unique character of the Boxer engine. Often considered a competent sport-tourer with a distinct BMW feel.