🏷️ Basic Information

Make:

BMW

Model:

R1100S

Production Model Years Covered:

1999

Vehicle Platform:

R1100 Series

👋 Introduction

Segment:

Sport-touring motorcycle

Target Audience:

Enthusiast riders and owners seeking to maintain and repair their R1100S with factory-level detail.

Comparable Models:

Honda VFR series, Ducati ST series, Yamaha FJR series of the era.

Sport Touring Blend:

Known for blending sporty handling with long-distance comfort, powered by BMW's robust boxer engine.

Design Philosophy:

Emphasizes engineering excellence, rider ergonomics, and a focus on performance and reliability.

📋 Manual Details

General Coverage:

Complete Service and Repair

Estimated Pages:

High, comparable to factory manuals (specific count not provided in product description)

Type:

Service Workshop Repair Manual

Language:

English (presumed, standard for international manuals)

Format:

Likely digital (PDF) or printed book (Product description implies it's similar to CDROM manuals)

📖 Manual Coverage

Engine:

Detailed inspection, disassembly, assembly, troubleshooting, and repair of the R1100 boxer engine (2-valve or 4-valve variant specific to 1999 model year).

Fuel System:

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

Ignition System:

Ignition coils, spark plugs, ignition control module, sensor inputs.

Exhaust System:

Mufflers, catalytic converter, exhaust pipes, lambda sensor (if applicable).

Transmission:

Gearbox (5-speed), clutch (dry single-plate or dual-plate depending on specific R1100S sub-variant), shifting mechanism, oil change procedures.

Drivetrain:

Shaft drive, final drive, universal joint, bevel gear housing, oil specifications and inspection.

Brakes:

Integral ABS II (or earlier ABS versions if applicable to 1999), brake calipers, master cylinders, brake lines, fluid types, bleeding procedures, pad replacement, rotor inspection.

Suspension:

Front Telelever suspension, rear Paralever swingarm, shock absorbers (monoshock), fork oil specifications and replacement, adjustment procedures.

Wheels And Tires:

Wheel bearing inspection and replacement, tire pressure recommendations, tire mounting/disassembly, wheel balancing.

Electrical System:

Battery, charging system (alternator, voltage regulator), starter motor, lighting (headlight, taillight, turn signals), horn, wiring diagrams, fuse box, relays, diagnostic port access.

Chassis And Bodywork:

Frame inspection, fairing removal and installation, seat, fuel tank, handlebars, footpegs, body panel repairs and alignment.

Diagnostics:

Troubleshooting guides for common issues, fault codes (if accessible via diagnostic port), symptom-based diagnosis.

Routine Maintenance:

Oil and filter changes, spark plug replacement, air filter cleaning/replacement, brake fluid flush, coolant checks, final drive oil change, valve clearance adjustment.

Component Overhaul:

Complete engine rebuild, gearbox disassembly and reassembly, brake system component overhaul, suspension unit rebuild.

Troubleshooting:

Systematic problem diagnosis for engine performance, electrical faults, braking issues, and other common problems.

Technical Adjustments:

Throttle cable adjustment, clutch cable adjustment, idle speed setting, ignition timing checks.

Torque Specifications:

Detailed torque values for all critical fasteners across all systems.

Depth:

Comprehensive, covering everything from basic pre-ride checks and routine maintenance to in-depth engine disassembly, component overhaul, and advanced troubleshooting, suitable for professional mechanics and experienced DIY enthusiasts.

📊 Manual Specifications

Digital Format:

Typically PDF with searchable text, high-resolution diagrams, and clear indexing for easy navigation.

Diagrams And Illustrations:

High-quality, detailed diagrams, exploded views, and step-by-step illustrations for clarity.

Physical Format:

If printed, typically a durable, comb-bound or perfect-bound format suitable for workshop use.

Physical Format:

If printed, likely on heavy-duty, glossy paper to resist workshop grime and repeated use.

⚙️ Engine Specifications

Type:

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

Displacement:

1085 cc

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

10.0:1 (typical for R1100 series)

Valve Train:

SOHC, 4 valves per cylinder, desmodromic valve actuation (not typically on R1100S, but SOHC is standard)

Power Output:

Approx. 90-98 hp (67-72 kW) at 7,750 rpm (varies slightly by sub-model/market)

Torque Output:

Approx. 97-100 Nm (72-74 lb-ft) at 5,500 rpm (varies slightly)

Induction:

Bosch Motronic electronic fuel injection (EFI)

Fuel Type:

Unleaded gasoline, minimum 95 RON (91 AKI)

🔧 Transmission

Type:

5-speed manual gearbox

Type:

None (typically)

Clutch:

Dry, single-plate or dual-plate clutch (depending on specific R1100S variant)

Final Drive:

Shaft drive with Paralever system

📐 Dimensions

Length:

Approx. 2140 mm (84.3 in)

Width:

Approx. 830 mm (32.7 in)

Height:

Approx. 1230 mm (48.4 in) (excluding mirrors)

Dry Weight:

Approx. 229 kg (505 lbs)

Gross Vehicle Weight Rating:

Approx. 440 kg (970 lbs)

Fuel Tank Capacity:

25 liters (6.6 US gal)

🛡️ Safety Features

ABS:

Integral ABS II (standard or optional depending on specific market and build date of 1999 model)

Braking System:

Dual disc front, single disc rear, with linked ABS braking system.

Lighting:

Halogen headlight, LED taillight, standard turn signals.

💡 Technology Features

Display:

Analog tachometer and speedometer, LCD multi-function display for fuel level, gear indicator, clock, temperature.

ABS:

Integral ABS II (combines braking actuation with ABS control).

Diagnostic Port:

OBD-II style diagnostic port (often proprietary BMW connector) for fault code reading and system diagnostics.

🔧 Maintenance

Oil Change:

Typically every 10,000 km (6,000 miles) or annually.

Valve Adjustment:

Typically every 20,000 km (12,000 miles).

Spark Plug Replacement:

Typically every 20,000-40,000 km (12,000-24,000 miles), depending on plug type.

Engine Oil:

SAE 20W-50 or 15W-50 synthetic motorcycle oil meeting BMW Motorrad specifications (e.g., API SG/SH or higher).

Brake Fluid:

DOT 4 or DOT 5.1 (check specific manual for ABS compatibility).

Final Drive Oil:

Hypoid gear oil SAE 80W/90 (BMW recommended).

Fork Oil:

Specific viscosity and quantity, refer to manual (typically SAE 5W or 7.5W).

Clutch Slave Cylinder:

Can be prone to leaks over time, requiring seal replacement.

Hall Effect Sender:

Can fail, leading to no-spark or intermittent running issues.

Fuel Pump:

Early models may experience fuel pump degradation, though often robust.

ABS Modulator:

Can develop faults, though generally reliable when maintained.

Wiring Harness Connectors:

Corrosion can occur on connectors, especially in humid climates, leading to electrical gremlins.

📚 Vehicle History

Bmw Motorrad:

BMW Motorrad has a long and distinguished history in motorcycle manufacturing, known for innovation, engineering, and boxer engines since the 1920s.

R1100 Series:

The R1100S is part of the R1100 series, which represented a significant modernization for BMW's boxer lineup, introducing four-valve heads (on other R1100 models), fuel injection, and improved chassis dynamics.

Production Years For R1100S:

1996–2005

Manufacturing Location:

Berlin Spandau plant, Germany

🏆 Awards & Recognition

Model Reputation:

The R1100S is generally well-regarded for its unique blend of sportiness and touring capability, and its iconic boxer engine character.