🏷️ Basic Information

Make:

BMW

Model:

K1100LT/RS

Model Variant:

K1100LT (Touring), K1100RS (Sport Touring)

Years Covered:

1999-2000

Engine Code:

K1100

👋 Introduction

Segment:

Luxury Touring and Sport Touring Motorcycle Segment

Target Audience:

BMW K1100LT/RS owners, independent repair shops, motorcycle enthusiasts.

Positioning:

The K1100 series represented BMW's premium inline-four cylinder motorcycle offering, known for its comfort, performance, and advanced technology for its era.

Vehicle Strengths:

Smooth inline-four engine, shaft drive, comfortable ergonomics (especially LT), ABS integration, robust build quality.

Manual Value Proposition:

Provides access to the same detailed repair and maintenance information as used by official BMW dealerships, enabling comprehensive self-service.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Fuel System:

Yes

Electrical System:

Yes

Chassis Suspension:

Yes

Brakes:

Yes

Bodywork:

Yes

Body Electrical:

Yes

Diagnostics:

Yes

Troubleshooting:

Yes

Maintenance:

Yes

Repair:

Yes

Wiring Diagrams:

Yes

Estimated Pages:

600+

Type:

Workshop Service & Repair Manual

Language:

English

Format:

Downloadable Digital Format (PDF)

📖 Manual Coverage

Engine Mechanical:

Complete overhaul, including cylinder head, pistons, crankshaft, timing system (chain, tensioners, guides).

Fuel Injection System:

Bosch Motronic system diagnostics, injector testing, fuel pump pressure, throttle body calibration.

Ignition System:

Spark plug specifications, coil testing, timing adjustments.

Cooling System:

Radiator, fan, thermostat, coolant specifications and bleeding procedures.

Clutch:

Hydraulic clutch system maintenance, fluid replacement, clutch plate inspection and replacement.

Transmission:

Gearbox disassembly, inspection, and reassembly, gear oil specifications and change intervals.

Final Drive:

Shaft drive system maintenance, universal joint lubrication, final drive gear oil specifications.

Front Suspension:

Fork service, oil change, seal replacement, spring specifications.

Rear Suspension:

Monoshock absorber service, linkage maintenance, preload adjustments.

Braking System:

ABS II system diagnostics, brake fluid type and bleeding procedures, caliper and master cylinder overhaul.

Wheel Bearings:

Front and rear wheel bearing inspection and replacement.

Electrical System Diagnostics:

Battery testing, charging system (alternator/regulator), starter motor, lighting, instrumentation.

Lighting System:

Headlight aiming, bulb replacement, indicator and tail light circuits.

Instrumentation And Controls:

Dashboard operation, switchgear functionality.

Body Panels:

Fairing removal and installation, seat maintenance.

Fastener Specifications:

Torque specifications for critical components.

Engine Overhaul:

Step-by-step rebuild instructions with detailed diagrams for internal engine components.

Fuel System Calibration:

Idle speed adjustment, CO mixture settings (where applicable).

Suspension Tuning:

Adjustment procedures for damping and preload.

Brake Bleeding:

Complete instructions for ABS and non-ABS systems.

Diagnostic Fault Codes:

List of error codes and troubleshooting steps for Motronic system.

Electrical Troubleshooting:

Guided diagnosis of common electrical faults using wiring diagrams.

Periodic Maintenance:

Oil changes, filter replacements, spark plug service, lubrication points.

Component Replacement:

Detailed instructions for replacing wear items and major components.

Wiring Diagram Interpretation:

Comprehensive color-coded wiring diagrams for easy understanding.

Depth:

Comprehensive Professional Workshop Level

Detail Level:

Detailed step-by-step instructions with exploded views and diagrams for all major repairs and maintenance.

Diagnostic Capability:

Advanced diagnostic procedures for engine management and ABS systems.

📊 Manual Specifications

Format:

PDF

Searchable:

Yes

Printable:

Yes

Quality:

High Resolution, Professional Quality Scans/Digital Reproduction

Print Quality:

Designed for clear printing of text and diagrams.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Type:

Inline-four cylinder, four-stroke

Displacement:

1093 cc (1.1 L)

Bore X Stroke:

73 mm x 63.8 mm

Compression Ratio:

10.0:1

Valvetrain:

DOHC, 2 valves per cylinder

Horsepower Approx:

100 hp @ 7500 rpm

Torque Approx:

101 Nm (74 lb-ft) @ 5500 rpm

Induction:

Bosch Motronic Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline (95 RON recommended)

Ignition System:

Digital Electronic Ignition (BMW)

Oil Capacity:

Approx. 4.5 liters (4.8 US qt)

Oil Specification:

SAE 15W-40 or 10W-40 API SG or higher (check manual for specific ambient temperature recommendations)

🔧 Transmission

Type:

5-speed manual

Clutch:

Hydraulically actuated wet multi-plate clutch

Final Drive:

Shaft drive

Gear Ratios:

Specific ratios detailed within the manual (e.g., 1st: 3.46, 2nd: 2.44, 3rd: 1.78, 4th: 1.40, 5th: 1.12)

Transmission Oil Type:

Hypoid gear oil, API GL-5, SAE 80W/90 (check manual for exact specifications)

Transmission Oil Capacity:

Approx. 0.25 liters (0.26 US qt)

📐 Dimensions

Length Lt:

Approx. 2300 mm (90.6 in)

Length Rs:

Approx. 2200 mm (86.6 in)

Width Lt:

Approx. 900 mm (35.4 in)

Height Lt:

Approx. 1400 mm (55.1 in)

Dry Weight Lt:

Approx. 265 kg (584 lbs)

Dry Weight Rs:

Approx. 245 kg (540 lbs)

Fuel Capacity:

22 liters (5.8 US gal), including 4 liters reserve

Front Wheel Size:

3.50 x 17

Rear Wheel Size:

4.50 x 18

Front Tire Size:

120/70 ZR 17

Rear Tire Size:

160/70 ZR 18

Wheel Bolt Pattern:

N/A (Cast wheels, direct mounting)

🛡️ Safety Features

ABS System:

BMW ABS II (standard on most models, check specific VIN)

Braking Performance:

Dual front discs, single rear disc with ABS II for enhanced stopping power and stability.

Frame Construction:

Steel frame providing structural integrity and rider protection.

💡 Technology Features

Instrumentation:

Analog tachometer, speedometer, fuel gauge, engine temperature gauge, clock, trip computer (optional/model dependent).

ABS System Ii:

BMW's second-generation Anti-lock Braking System, designed to prevent wheel lock-up during heavy braking.

Electrical Architecture:

Complex electrical system managed by the Motronic unit, with detailed wiring diagrams provided in the manual.

🔧 Maintenance

Oil Change Interval:

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

Filter Replacement Interval:

With every oil change.

Spark Plug Replacement Interval:

Every 20,000 km (12,000 miles) or as per manual recommendation.

Valve Clearance Check:

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

Brake Fluid Change:

Every 2 years.

Coolant Change:

Every 2-3 years or as specified.

Brake Fluid Type:

DOT 4 hydraulic brake fluid (ensure compatibility with ABS systems).

Coolant Type:

Ethylene glycol-based coolant with corrosion inhibitors (BMW recommends specific coolant, consult manual).

Common Wear Items:

Fuel pump, voltage regulator, brake line degradation, rear shock absorber (depending on mileage and usage).

Electrical Gremlins:

Can sometimes occur due to aging wiring or corrosion at connectors, detailed troubleshooting in manual.

ABS System Faults:

Potential issues with ABS sensors or control unit, diagnostics covered in manual.

📚 Vehicle History

Bmw Motorrad Legacy:

BMW Motorrad has a long history of engineering excellence, safety, and durability, particularly in their boxer and inline-four engine configurations.

K Series Development:

The K1100 series evolved from the earlier K100 and K1100 series, featuring the transverse-mounted inline-four engine, shaft drive, and a focus on aerodynamic touring capabilities. The 'LT' denotes a fully faired luxury tourer, while the 'RS' signifies a sport-touring variant.

Production Period:

K1100 series produced from 1990 onwards, with the 1999-2000 years representing later production models within this generation.

🏆 Awards & Recognition

Industry Perception:

The K1100 series was generally well-received for its engineering, comfort, and performance, though some found it less engaging than contemporary Japanese rivals. Praised for build quality and long-distance touring capability.