Segment:
Sport Touring Motorcycle
Target Audience:
BMW R1100S owners, independent motorcycle mechanics, and enthusiasts seeking in-depth maintenance and repair knowledge.
Key Competitors Segment:
Honda VFR, Ducati ST series, Kawasaki Concours, Yamaha FJR1300.
Vehicle Philosophy:
The R1100S offered a blend of BMW's traditional boxer engine character with a sportier, more agile riding dynamic, suitable for both touring and spirited riding.
Manual Value Proposition:
Provides the definitive, factory-authorized information needed to maintain and repair the R1100S, ensuring optimal performance, safety, and longevity.
Engine Mechanical:
Full coverage of the Boxer twin engine, including disassembly, assembly, torque specifications, timing, valve adjustment, and component diagnostics.
Fuel System:
Detailed information on fuel injection system (Bosch Motronic), fuel pump, injectors, throttle body, and fuel tank maintenance and troubleshooting.
Ignition System:
Ignition coil diagnosis, spark plug specifications, and ECU control parameters.
Transmission And Drivetrain:
Manual and possible automatic transmission overhauls, clutch replacement, gearbox diagnostics, final drive, and driveshaft maintenance.
Suspension:
Front fork (Telelever) and rear shock absorber (Paralever) servicing, adjustment, seal replacement, and spring rate information.
Brakes:
ABS system (oftenintegral), brake fluid bleeding procedures, caliper servicing, pad replacement, rotor inspection, and master cylinder details.
Electrical System:
Complete wiring diagrams, fuse box layout, lighting system, starter motor, battery maintenance, alternator, and instrument cluster troubleshooting.
Bodywork And Chassis:
Fairing removal and installation, seat servicing, fuel tank components, frame inspection, and general bodywork repairs.
Diagnostic Troubleshooting:
Systematic troubleshooting guides for common and uncommon issues, fault code interpretation (if applicable), and diagnostic procedures.
Routine Maintenance:
Oil changes, filter replacements, spark plug changes, air filter cleaning/replacement, chain/belt adjustment (if applicable), and general inspection points.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement, brake system overhauls, and electrical system repairs.
Troubleshooting Guides:
Step-by-step diagnostic procedures for identifying and resolving mechanical, electrical, and system faults.
Component Disassembly Assembly:
Detailed instructions for taking apart and reassembling all major and minor vehicle components.
Torque Specifications:
Precise torque values for all critical fasteners and bolts.
Wiring Diagrams:
Comprehensive, high-resolution wiring schematics for all electrical systems.
Depth Level:
Comprehensive; covers everything from basic maintenance to full engine and transmission rebuilds, including advanced diagnostics and electrical system troubleshooting.
Engine Type:
Air/Oil-Cooled, Four-Stroke, Boxer Twin
Displacement:
1085 cc (66.2 cu in)
Bore X Stroke:
99 mm x 70.5 mm (3.90 in x 2.78 in)
Compression Ratio:
10.7:1
Valve Train:
SOHC, 2 valves per cylinder
Horsepower:
90 hp (67 kW) @ 7,500 rpm
Torque:
98 Nm (72 lb-ft) @ 5,750 rpm
Fuel Delivery:
Electronic Fuel Injection (Bosch Motronic 2.4)
Fuel Type:
Unleaded gasoline, 95 RON minimum
Oil Type:
SAE 20W-50 API SG or higher (check manual for precise BMW recommendations)
Oil Capacity:
Approximately 4.0 liters (4.2 US qt) with filter change
Spark Plugs:
NGK CR9EK or equivalent
Transmission Type:
5-speed manual gearbox
Optional Transmission:
N/A (Standard 5-speed manual)
Clutch Type:
Single dry plate, diaphragm spring
Gear Ratios:
Detailed in manual, typically includes 1st through 5th gear ratios and final drive ratio.
Gearbox Oil Type:
GL-5 SAE 75W/90 synthetic gear oil (check manual for precise BMW recommendations)
Gearbox Oil Capacity:
Approximately 1.0 liter (1.05 US qt) (check manual)
Length:
Approx. 2,170 mm (85.4 in)
Width:
Approx. 820 mm (32.3 in) (including mirrors)
Height:
Approx. 1,270 mm (50.0 in) (seat height adjustable)
Wheelbase:
Approx. 1,474 mm (58.0 in)
Dry Weight:
Approx. 226 kg (498 lbs)
Gross Vehicle Weight Rating:
Approx. 470 kg (1036 lbs)
Fuel Tank Capacity:
25 liters (6.6 US gal), including reserve
Front Tire Size:
120/70 ZR17
Rear Tire Size:
170/60 ZR17
Wheel Bolt Pattern:
N/A (Cast alloy wheels with specific lug pattern)
Crash Test Ratings:
N/A (Motorcycle safety ratings are not typically standardized like automobiles)
ABS:
BMW Integral ABS (optional on some models, standard on others, check specific bike configuration)
Braking System:
Dual disc front, single disc rear, with hydraulic actuation.
Lighting:
Halogen headlight, LED taillight, turn signals.
Instrument Cluster:
Analog tachometer and speedometer, LCD multi-function display for fuel level, odometer, trip meters, coolant temperature, and clock. Often includes indicator lights for ABS, engine warnings, etc.
ABS System Details:
Integral ABS, often linked to both front and rear brakes, providing enhanced braking stability.
Diagnostic Ports:
Specific diagnostic connectors allowing for connection to BMW's diagnostic tools (e.g., MoDiTec) for advanced fault finding and system checks. Manual will reference these.
Oil And Filter Change:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Valve Clearance Check:
Every 20,000 km (12,000 miles).
Spark Plug Replacement:
Every 20,000 km (12,000 miles).
Air Filter Inspection:
Every 10,000 km (6,000 miles), replace as needed.
Brake Fluid Change:
Every 2 years, regardless of mileage.
Coolant Type:
BMW Motorrad approved coolant mixture (ethylene glycol based, with corrosion inhibitors)
Common Wear Items:
Clutch wear, rear shock absorber seals, wheel bearings, fuel pump longevity.
Electrical Gremlins:
While generally robust, occasional issues with wiring harness connections or sensor failures can occur. The manual provides diagnostics for these.
Suspension Maintenance:
Regular servicing of the Telelever and Paralever systems is crucial for optimal handling and longevity. Seals and fluid can degrade over time.
Bmw Motorrad Legacy:
BMW Motorrad has a long history of producing innovative and durable motorcycles, particularly known for its boxer-twin engine configurations and shaft drive systems.
R1100S Introduction:
The R1100S was introduced in 1998 as a sportier variant of BMW's R1100 lineup, designed to compete in the emerging sport-touring segment.
R1100S Development:
It featured a more aggressive riding position, sportier suspension (Telelever front, Paralever rear), and a more powerful engine tune compared to other R1100 models. Minor updates occurred throughout its production run, culminating in models like the 2005 version.
Production Period:
1998 - 2005
Manufacturing Location:
Berlin, Germany (BMW Motorrad Plant)
