Target Audience:
BMW motorcycle owners (K1100LT/RS), independent repair shops, DIY mechanics.
Segment:
Sport Touring / Touring Motorcycle
Value Proposition:
Provides detailed, DIY-friendly repair information to reduce reliance on expensive dealership service.
Ease Of Use:
Designed for ease of repair by owners, with detailed instructions.
Comprehensive Coverage:
Covers all major mechanical and electrical systems.
Support Method:
Email support available for questions.
Covered Models:
BMW K1100LT, BMW K1100RS, K75RT (mentioned in maintenance schedule context)
Covered Years Range:
1991-1999 (inferred from model production years)
Estimated Page Count:
N/A (Not explicitly provided, but typical workshop manuals of this era are extensive)
Manual Type:
Workshop Service Repair Manual
Operating Systems:
Windows, Macintosh
Engine Systems:
Engine overview, disassembly, assembly, lubrication, cooling, fuel injection (Bosch Motronic), ignition system, exhaust system.
Drivetrain Systems:
Clutch, gearbox (transmission), final drive (shaft drive), rear wheel drive assembly.
Chassis Systems:
Front fork and suspension, steering system, rear suspension, brakes (front and rear), wheels and tires.
Electrical Systems:
Engine electrics, lighting system, instrument panel, starting and charging system, wiring diagrams.
Bodywork And Frame:
Frame construction, fairings, body panels, instrument cluster, seat, luggage systems (for LT model).
Fuel System Coverage:
Fuel tank, fuel pump, fuel lines, injectors, fuel pressure regulator, airbox, throttle bodies.
Radiator Exhaust:
Radiator, cooling fan, coolant hoses, exhaust headers, mufflers.
Maintenance Procedures:
Pre-delivery check, regular maintenance schedule, oil changes, filter replacements, coolant checks, spark plug service, brake fluid replacement, clutch fluid replacement.
Repair Procedures:
Engine overhaul, transmission repair, clutch replacement, suspension fork rebuild, brake caliper service, final drive maintenance, electrical component testing and replacement.
Troubleshooting Procedures:
Diagnostic guidance for common issues, fault finding for engine performance, electrical problems, and drivetrain malfunctions.
Depth Of Coverage:
Comprehensive; covers routine maintenance, diagnostics, and detailed repair procedures for all major vehicle systems.
Diagnostic Tables:
Likely includes diagnostic tables or flowcharts for common problems.
Torque Specifications:
Detailed torque values for all critical fasteners and engine components.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all systems.
Special Tools:
May list BMW-specific special tools required for certain procedures.
Engine Type:
Four-stroke, inline four-cylinder
Displacement:
1093 cc (1.1 L)
Bore X Stroke:
72 mm x 67.5 mm
Compression Ratio:
10.0:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower K1100Rs:
100 hp (74.5 kW) @ 8,000 rpm
Torque K1100Rs:
95 Nm (70 lb-ft) @ 6,750 rpm
Horsepower K1100Lt:
90 hp (67 kW) @ 7,500 rpm (slightly detuned for touring)
Torque K1100Lt:
95 Nm (70 lb-ft) @ 6,750 rpm
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 95 RON
Cooling Method:
Liquid-cooled
Oil Type:
SAE 10W-40, API SG or higher (specific BMW recommendations likely in manual)
Ignition Type:
Electronic ignition with dual spark plugs per cylinder.
Instrumentation:
Analog speedometer and tachometer, fuel gauge, coolant temperature gauge, clock, warning lights. LT models often had more comprehensive dashboards including radio integration.
ABS Availability:
Optional ABS system, a significant safety feature for its time.
Diagnostic Port:
On-board diagnostics via specialized BMW tools (manual will detail access and interpretation).
Oil Change Interval:
Every 10,000 km or annually (as per manual guidance)
Valve Clearance Check:
Every 20,000 km (typical for this era, manual will confirm)
Fuel Filter Replacement:
Recommended replacement at specific mileage or if performance issues arise (manual will detail).
Brake Fluid:
DOT 4 (or DOT 5.1 if specified, manual is key)
Coolant:
Ethylene glycol-based coolant, mixed 50/50 with distilled water.
Common Wear Items:
Fuel pump, starter motor, alternator, clutch slave cylinder seals, front fork seals, wheel bearings.
Potential Issues:
Corrosion on electrical connectors, fuel injector o-ring degradation, ageing fuel lines.
Spark Plugs:
Dual spark plugs per cylinder, e.g., NGK CR9EK or equivalent (manual will specify exact part number).
Oil Filter:
Specific BMW part number or equivalent aftermarket filter (manual will list).
Bmw Motorrad Heritage:
BMW has a long history of producing innovative and high-quality motorcycles, known for engineering excellence and durability.
K Series Development:
The K1100 series is part of BMW's K-series, which debuted in the early 1980s with the K100. It featured the revolutionary transverse-mounted, liquid-cooled inline-four engine with a monolever shaft drive.
K1100 Advancements:
Improved power and torque over the K100, refined aerodynamics, updated suspension and braking systems.
Manufacturing Location:
Berlin, Germany (BMW Motorrad plant)