🏷️ Basic Information

Make:

BMW

Model:

R 1100 S

Year:

2005

Model Code:

R1100S (Specific chassis codes vary, but 2005 is within the R21 series)

👋 Introduction

Segment:

Sport Touring / Performance Motorcycle

Target Audience:

Enthusiast riders, owners seeking to perform their own maintenance and repairs.

Competitors:

Ducati ST series, Yamaha FJR1300, Kawasaki GTR1400.

Vehicle Usp:

Unique boxer engine configuration, Telelever front suspension, Paralever rear drive, refined handling, and comfortable ergonomics for sport touring.

Value Proposition:

Empowers owners to maintain their BMW R 1100 S to factory standards, saving on labor costs and ensuring longevity.

Reliability Enhancement:

Provides the precise information needed for correct maintenance and repair, crucial for BMW's complex engineering.

📋 Manual Details

General Coverage:

Comprehensive service and repair procedures for the 2005 BMW R 1100 S.

Estimated Page Count:

500+

Type:

Factory Service Repair Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Engine:

All aspects of the R 1100 S Boxer engine, including disassembly, assembly, inspection, and troubleshooting.

Fuel System:

Fuel injection system (Bosch Motronic), fuel pump, injectors, throttle body, fuel lines, and evaporative emissions control.

Ignition System:

Ignition coils, spark plugs, timing, and diagnostics.

Transmission:

Clutch operation, gearbox disassembly, assembly, lubrication, and troubleshooting.

Drivetrain:

Single-sided swingarm, Paralever shaft drive system, universal joints, final drive unit maintenance and repair.

Suspension:

Front Telelever suspension, rear Monolever (on some variants, R1100S uses Paralever), shock absorber adjustments, fork seals, and fork overhaul.

Brakes:

Hydraulic brake systems (front and rear), ABS II (Anti-lock Braking System) operation and bleeding, brake fluid specifications, caliper maintenance, disc replacement.

Electrical System:

Wiring diagrams, battery maintenance, charging system (alternator, regulator), starter motor, lighting (headlight, taillight, signals), horn, fuses, relays.

Chassis And Bodywork:

Frame inspection, fairing removal and installation, seat, fuel tank, fenders, handlebars, and controls.

Cooling System:

Oil cooling system (oil cooler, lines, oil filter replacement).

Exhaust System:

Exhaust manifold, mufflers, and catalytic converter (if applicable).

Diagnostics:

Troubleshooting charts, fault code interpretation (if applicable to ABS II or Motronic).

Routine Maintenance:

Oil changes, filter replacements, spark plug checks, valve clearance adjustments, fluid level checks, chain/drive inspection.

Major Repairs:

Engine rebuild, transmission overhaul, suspension component replacement, ABS system repair.

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues.

Electrical Diagnostics:

Testing circuits, components, and diagnosing electrical faults using wiring diagrams.

Tune Ups:

Carburetor/throttle body synchronization (if applicable), idle speed adjustment, ignition timing checks.

Component Replacement:

Detailed instructions for replacing wear items and major components.

Depth:

Highly detailed, covering everything from routine maintenance to complete engine and transmission overhauls.

Diagnostic Capabilities:

Advanced diagnostic procedures for engine management and ABS systems.

Diagrams And Illustrations:

Includes detailed exploded views, wiring diagrams, and step-by-step instructional illustrations.

📊 Manual Specifications

File Type:

PDF

Searchability:

Text-searchable PDF for quick information retrieval.

Printability:

Printable pages for on-hand reference.

Resolution:

High resolution for clear viewing of diagrams and text.

Binding:

N/A (Digital Download)

Paper Quality:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

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

Displacement:

1085 cc

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

10.0:1

Valve Train:

2 valves per cylinder, pushrod-actuated overhead valves (OHV)

Power Output:

Approx. 90 HP (67 kW) @ 7,750 rpm

Torque:

Approx. 97 Nm (71.5 lb-ft) @ 6,000 rpm

Top Speed:

Approx. 215 km/h (134 mph)

Fuel Delivery:

Bosch Motronic 2.2 fuel injection

Fuel Type:

Unleaded gasoline, minimum 91 octane (RON)

Cooling Method:

Oil-cooled

Oil Cooler:

Front-mounted oil cooler with dedicated plumbing.

🔧 Transmission

Type:

5-speed manual transmission

Optional Transmission:

None for 2005 model year R 1100 S.

Clutch:

Single dry clutch, hydraulically actuated

Final Drive:

Shaft drive via Paralever system

Gearbox Oil Type:

SAE 75W/90, API GL-5 (e.g., BMW Hypoid Gear Oil or equivalent)

Gearbox Oil Capacity:

Approx. 1.0 Litre (1.1 US qt)

Final Drive Oil Capacity:

Approx. 0.22 Litre (0.23 US qt)

📐 Dimensions

Length:

Approx. 2,140 mm (84.3 in)

Width:

Approx. 850 mm (33.5 in) (including mirrors)

Height:

Approx. 1,300 mm (51.2 in) (seat height adjustable)

Wheelbase:

Approx. 1,474 mm (58.0 in)

Dry Weight:

Approx. 229 kg (505 lbs)

Wet Weight:

Approx. 247 kg (545 lbs) (fully fueled)

Max Load:

Approx. 212 kg (467 lbs) (rider, passenger, luggage)

Luggage Capacity:

Optional panniers and top case available, no integrated storage.

🛡️ Safety Features

Crash Safety:

Motorcycle safety standards of the era, no formal car-like crash ratings apply.

ABS:

BMW Motorrad ABS II (Anti-lock Braking System) - Optional on some models, standard on many 2005 R1100S, check specific VIN.

Braking System:

Dual 320mm front discs with four-piston calipers, Single 265mm rear disc with two-piston caliper.

Lighting:

Halogen headlight, LED taillight and brake light.

Mirrors:

Integrated handlebar mirrors.

💡 Technology Features

Instrumentation:

Analog tachometer and speedometer, LCD multi-function display (time, trip meters, gear indicator on some models), warning lights.

Audio System:

No integrated audio system as standard; aftermarket options available.

ABS:

BMW Motorrad ABS II provides enhanced braking stability and control.

Diagnostic Ports:

Diagnostic connectors for accessing engine management system (Motronic) data, crucial for advanced 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), includes valve clearance check, spark plugs, and general inspection.

Brake Fluid Change:

Every 2 years, regardless of mileage.

Engine Oil Type:

SAE 20W-40 or 20W-50, API SG/SH or higher (refer to manual for exact BMW recommendations).

Engine Oil Capacity:

Approx. 4.0 Litres (4.2 US qt) with filter change.

Brake Fluid Type:

DOT 4, ISO 4925 Class 4

Coolant Type:

Not applicable (oil-cooled engine).

Common Wear Items:

Clutch wear, rear wheel bearings, ABS sensor issues, alternator brushes, fuel pump relay.

Electrical Gremlins:

Can occasionally experience minor electrical issues related to connectors or grounds; manual provides diagnostic steps.

Telelever Maintenance:

Requires periodic checks of the joint and seals for proper function and lubrication.

Oil Filter Part Number:

BMW Part Number 11 42 1 457 972 (or equivalent HiFloFiltro HF160, K&N KN-160)

Air Filter Part Number:

BMW Part Number 13 72 1 456 448 (or equivalent K&N RE-0430)

📚 Vehicle History

Brand Focus:

BMW Motorrad has a long history of innovation in motorcycle engineering, particularly with its boxer engine platform.

R Series Development:

The R 1100 S is part of the evolution of the BMW boxer engine, building upon the R 100 RS and R 100 S. It introduced significant updates including fuel injection and the Paralever/Telelever suspension system.

R 1100 S Introduction:

Introduced in 1998 as a sportier variant of the R 1100 family, designed to offer enhanced handling and performance while retaining touring comfort.

Production Years:

1998 - 2006

Manufacturing Location:

Berlin Spandau, Germany

🏆 Awards & Recognition

Motorcycle Reviews:

Consistently praised in contemporary motorcycle reviews for its capable handling, strong engine, and practicality as a sport tourer.

Long Term Reliability:

Generally considered reliable with proper maintenance, though specific components may require attention as detailed in the manual.