🏷️ Basic Information

Make:

BMW

Model:

R 1100 S

Model Variant:

R1100S

Year:

1999

Engine Code:

M258

Chassis Code:

459 (R1100S)

👋 Introduction

Market Segment:

Sport Touring / Performance Motorcycle

Target Audience:

Owners of the 1999 BMW R1100S seeking to perform maintenance, repairs, or understand their motorcycle's technical aspects.

Key Competitors 1999:

Ducati ST2, Honda VFR800 Interceptor, Kawasaki GTR1000, Yamaha YZF1000R Thunderace (in certain aspects).

Bike Distinctive Features:

Boxer twin engine, Telelever front suspension, Paralever rear suspension, integrated ABS (optional), sport-oriented ergonomics, shaft drive.

Manual Value Proposition:

Provides authoritative, factory-level detail essential for proper maintenance and repair, enabling owners to save money and ensure longevity.

📋 Manual Details

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

PDF Download

Page Count:

Hundreds of pages (exact count may vary based on source PDF, typical for factory manuals)

📖 Manual Coverage

Engine:

Complete engine overhaul, component identification, disassembly, assembly, lubrication, cooling, ignition, fuel injection, exhaust.

Transmission:

Gearbox disassembly, assembly, shift mechanism, clutch service, final drive (driveshaft, bevel gear).

Chassis And Frame:

Frame inspection, steering head bearing service, suspension (front fork, rear shock absorber), wheel and tire service, brake system (hydraulic lines, calipers, master cylinders, ABS).

Electrical System:

Wiring diagrams, battery service, charging system (alternator, voltage regulator), ignition system, lighting, instrumentation, starter motor, diagnostics for electronic control units (ECU).

Fuel System:

Fuel tank, fuel pump, fuel filter, fuel injection system (throttle body, injectors, sensors), fuel pressure regulation.

Body And Fairings:

Fairing removal and installation, seat, fuel tank mounting, body panel fasteners.

Maintenance:

Scheduled maintenance, oil changes, filter replacements, chain adjustment (if applicable to specific model variants), brake fluid flush, coolant checks.

Troubleshooting:

Diagnostic flowcharts for common problems, symptom-based troubleshooting guides, error code interpretation.

Repair:

Step-by-step instructions for component removal, replacement, and reassembly across all major systems.

Diagnostics:

Instructions for using diagnostic tools, interpreting sensor data, and performing system checks.

Depth:

Comprehensive. Covers everything from routine maintenance and minor adjustments to complete engine and transmission rebuilds, including detailed electrical schematics and troubleshooting for advanced systems.

📊 Manual Specifications

File Format:

PDF

Searchability:

Likely text-searchable if the source PDF is OCR'd, allowing for quick location of specific topics.

Print Quality:

Designed for high-quality printing of individual pages or the entire manual. Assumes clear text and diagrams.

Binding Type For Print:

Printable, allowing for custom binding (e.g., spiral-bound, binder).

Paper Type For Print:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Air/oil-cooled, four-stroke, boxer twin-cylinder

Displacement:

1085 cc

Bore X Stroke:

99 mm x 70.5 mm

Compression Ratio:

10.3:1

Valvetrain:

2 valves per cylinder, DOHC (Double Overhead Camshaft)

Horsepower:

90 hp @ 7250 rpm (approx.)

Torque:

98 Nm (72 lb-ft) @ 5500 rpm (approx.)

Fuel Delivery:

Bosch Motronic MA 2.2 electronic fuel injection

Fuel Type:

Unleaded gasoline, minimum 95 RON

Oil Capacity:

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

Oil Type:

SAE 20W-50 or 15W-50 motorcycle-specific engine oil meeting API SG or higher.

🔧 Transmission

Type:

6-speed manual gearbox

Clutch:

Single dry plate, hydraulically operated

Final Drive:

Shaft drive

Gear Ratios:

Specific ratios detailed within the manual (e.g., 1st: 3.46, 2nd: 2.43, 3rd: 1.81, 4th: 1.40, 5th: 1.17, 6th: 1.00)

Gearbox Oil Type:

SAE 75W-90 GL-5 gear oil

Gearbox Oil Capacity:

Approx. 1.0 liter (1.05 US quarts)

📐 Dimensions

Length:

Approx. 2175 mm (85.6 in)

Width:

Approx. 810 mm (31.9 in) at handlebars

Height:

Approx. 1250 mm (49.2 in) at handlebars

Dry Weight:

Approx. 215 kg (474 lbs)

Curb Weight:

Approx. 234 kg (516 lbs) with fluids

Gross Vehicle Weight Rating:

N/A (Motorcycle specific)

Fuel Tank Capacity:

25 liters (6.6 US gallons) including approx. 4 liters reserve

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycle safety is assessed differently than cars, often through track testing and rider feedback, though specific agency ratings are not typically published).

ABS:

BMW Motorrad Integral ABS (optional equipment on this model, often specified by 'ABS' designation)

Brakes Front:

Dual 320 mm discs with four-piston calipers

Brakes Rear:

Single 265 mm disc with two-piston caliper

Suspension Front:

BMW Telelever

Suspension Rear:

BMW Paralever

Lighting:

Halogen headlight, integrated turn signals, taillight, brake light.

Windscreen:

Adjustable or fixed windscreen for rider protection (design varies by specific R1100S sub-models/options).

💡 Technology Features

Instrumentation:

Analog tachometer, digital speedometer, odometer, trip meters, fuel gauge, gear indicator, warning lights for oil pressure, battery, ABS, etc. Some models may have an optional clock or temperature gauge.

Audio System:

N/A (Not typically equipped with a factory-installed audio system).

ABS:

Integral ABS system available as an option, offering anti-lock braking for both wheels.

Diagnostic Interface:

BMW proprietary diagnostic connector, requiring specific BMW diagnostic tools or compatible aftermarket interfaces for ECU access and fault code reading.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 km (6,000 miles) or annually, whichever comes first. Consult manual for exact recommendation.

Major Service Interval:

Major inspections, valve clearance checks, spark plug replacement, and other detailed checks typically every 20,000 km (12,000 miles). Refer to manual for precise intervals.

Valve Clearance Check:

Check and adjust every 20,000 km (12,000 miles).

Spark Plug Replacement:

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

Brake Fluid Type:

DOT 4 hydraulic brake fluid

Coolant Type:

BMW coolant or equivalent (ethylene glycol-based, anti-corrosion additives, typically blue or green color). Refer to manual for specific BMW part number.

Final Drive Oil Type:

SAE 75W-90 GL-5 gear oil (same as transmission)

Common Issues:

Hall sensor failure (can cause intermittent starting or running issues), ABS system faults (sensor issues, pump issues), clutch slave cylinder leaks, rear shock absorber wear over time, Telelever pivot bearing wear. These are general points, and the manual provides detailed diagnostic procedures.

Preventative Maintenance:

Regular cleaning and lubrication of pivot points, consistent fluid changes, and inspection of electrical connectors are key.

📚 Vehicle History

Brand History Motorcycles:

BMW Motorrad has a long history of producing reliable and technologically advanced motorcycles, particularly known for boxer engines and shaft drive systems dating back decades.

R Series Development:

The R1100S succeeded the R100RS and was part of BMW's move towards modernizing its boxer lineup, incorporating fuel injection, advanced suspension, and sportier styling. It was positioned as a sport-touring machine with a more aggressive stance than other R series models of its era.

Production Period:

The R1100S was produced from 1998 to 2005.

Manufacturing Location:

Berlin-Spandau, Germany

🏆 Awards & Recognition

Industry Awards:

While specific awards for the 1999 model year are not easily cataloged, the R1100S generally received positive reviews for its performance, handling, and comfort as a sport-tourer, contributing to BMW's reputation for quality and engineering.

Motorcycle Publications Reviews:

Consistently praised for its sophisticated suspension systems (Telelever/Paralever) and potent boxer engine, offering a unique blend of sportiness and long-distance comfort.