Segment:
High-performance sport-touring and adventure-touring motorcycles, targeting discerning riders and long-distance travel.
Competitors Era:
Competed against models from Honda (ST1100), Yamaha (FJ1200, Super Tenere), Kawasaki (GTR1000), and Ducati.
Bmw Engineering Philosophy:
Emphasis on build quality, rider comfort, innovative technology (e.g., ABS, shaft drive), and refined performance.
Motorcycle Models Covered:
BMW K1100LT, K1100RS, R850R, R1100R, R850GS, R1100GS, R1100RS
Estimated Page Count:
Comprehensive, likely exceeding 500 pages based on model complexity
Manual Type:
Workshop Service Manual / Repair Manual
Language:
English (typical for this era and type of manual)
Format:
Digital Download (PDF likely)
Engine And Powertrain:
Detailed overhaul procedures for Boxer and inline-four engines, including cylinder heads, pistons, crankshaft, timing systems (chain/belt), lubrication, cooling (air/oil for Boxer, liquid for K-series), fuel injection (Motronic), exhaust systems.
Transmission And Drivetrain:
Clutch assembly, gearbox internal components, final drive (shaft drive), universal joints, rear axle assembly, troubleshooting of shifting issues.
Chassis And Suspension:
Front fork (telescopic or Hossack/Duolever for R1100 series), rear shock absorber (Monolever or Paralever for R-series), swingarm, bearings, steering head assembly, wheel hub maintenance.
Brakes:
Brake system diagnostics and repair, ABS (if equipped, e.g., EVO ABS), hydraulic lines, calipers, master cylinders, brake fluid specifications and bleeding procedures.
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator), ignition system, starter motor, lighting, instrumentation, fuel pump, ECU diagnostics.
Fuel System:
Fuel tank, fuel pump, injectors, fuel pressure regulator, fuel filter replacement, idle control.
Bodywork And Trim:
Fairing removal and installation, seat components, luggage systems (if applicable), body panel fasteners, general fitment.
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, spark plug service, valve clearance adjustment, lubrication points.
Troubleshooting:
Diagnostic flowcharts for common running issues, electrical faults, starting problems, and performance anomalies.
Repair And Overhaul:
Step-by-step instructions for major component disassembly, repair, and reassembly, including engine rebuilds and gearbox overhauls.
Technical Adjustments:
Throttle cable adjustment, idle speed settings, clutch lever free play, suspension adjustments.
Depth Of Coverage:
Extensive, suitable for professional mechanics and experienced DIY enthusiasts. Covers everything from basic fluid changes to full engine and transmission rebuilds.
Engine Type K1100:
16-valve, DOHC, inline-four cylinder, liquid-cooled
Bore X Stroke K1100:
76.5 mm x 61.0 mm
Displacement K1100:
1037 cc
Power Output K1100:
Approx. 100 HP (74 kW) at 7500 rpm (K1100LT/RS)
Torque K1100:
Approx. 100 Nm (74 lb-ft) at 5500 rpm (K1100LT/RS)
Engine Type R1100:
2-valve per cylinder, SOHC, Boxer-twin, air/oil-cooled (R1100 series)
Bore X Stroke R1100:
101 mm x 68 mm (R1100 series)
Displacement R1100:
1070 cc (R1100 series)
Power Output R1100:
Approx. 90 HP (66 kW) at 7250 rpm (R1100GS/RS/R)
Torque R1100:
Approx. 97 Nm (72 lb-ft) at 5500 rpm (R1100GS/RS/R)
Engine Type R850:
2-valve per cylinder, SOHC, Boxer-twin, air/oil-cooled (R850 series)
Bore X Stroke R850:
99 mm x 68 mm (R850 series)
Displacement R850:
848 cc (R850 series)
Power Output R850:
Approx. 70 HP (51 kW) at 6750 rpm (R850GS/R)
Torque R850:
Approx. 81 Nm (60 lb-ft) at 5000 rpm (R850GS/R)
Fuel Injection System:
Bosch Motronic (various versions: 2.1, 2.2, 2.4) for all models, controlling fuel injection and ignition.
Fuel Type:
Unleaded gasoline, typically 95 RON (premium unleaded recommended)
Crash Safety Rating:
N/A for motorcycles; focus is on rider safety features and handling.
ABS:
BMW EVO ABS was a prominent option and standard on some later R1100 models. Manual covers diagnosis and repair.
Linked Brakes:
Some R1100 models featured a linked braking system where front brake lever also activated rear brake, and vice versa. Manual details its operation.
Lighting System:
Halogen headlight, integrated turn signals, brake lights; manual details bulb replacement and wiring.
Instrumentation:
Analog tachometer and speedometer, LCD displays for odometer, trip meter, fuel level, gear indicator, clock. Warning lights for critical functions.
ABS System:
Advanced anti-lock braking system (ABS) was a key technology, significantly enhancing rider safety, especially in touring applications.
Diagnostic Ports:
Diagnostic connectors allowing access to engine control unit (ECU) data for advanced diagnostics, as detailed in the manual.
Oil Change Interval:
Typically every 10,000 km (6,000 miles) or annually, whichever comes first. Check manual for specific model year.
Valve Clearance Check:
Every 20,000 km (12,000 miles) or as specified in manual for Boxer engines. K-series typically uses shims and requires checking less frequently.
Engine Oil K Series:
BMW Motorrad Recommended Synthetic SAE 15W-50, API SJ or higher, JASO MA rated. Capacity approx. 3.5 liters with filter.
Engine Oil R Series:
BMW Motorrad Recommended Synthetic SAE 20W-50, API SJ or higher, JASO MA rated. Capacity approx. 3.0 liters.
Brake Fluid:
DOT 4 brake fluid for all models. Check manual for bleeding procedure.
Transmission Oil:
Gearbox oil: SAE 75W-90 GL-5. Final drive oil: SAE 80W-90 GL-5. Capacity specified in manual.
Coolant K Series:
BMW Motorrad Coolant (antifreeze/anti-corrosion) or equivalent ethylene glycol based coolant. Capacity approx. 2.5 liters.
Fuel Pump Reliability:
Early R-series and K-series fuel pumps could be a point of failure. Manual provides diagnostic steps.
Wiring Harness Issues:
Degradation of wiring insulation over time, particularly in high-heat areas. Manual details wiring diagrams for troubleshooting.
ABS Modulator Failures:
ABS modulator units could fail, requiring specialized diagnosis and repair. Manual covers ABS system troubleshooting.
Clutch Slave Cylinder:
Hydraulic clutch slave cylinder seals can leak, requiring replacement. Manual provides procedures.
Bmw Motorrad Legacy:
BMW Motorrad, established in 1923, has a long history of engineering excellence, particularly in boxer engines and shaft drive technology.
K Series Development:
The K1100 series was an evolution of BMW's transverse inline-four K-series, offering increased power and comfort for sport-touring.
R Series Evolution:
The R1100 and R850 series marked a significant technological leap for BMW's boxer line, introducing the Paralever rear suspension and Monolever front (on R1100R), and the innovative Hossack/Duolever front suspension (on R1100RS/GS).
Production Years General:
K1100 series: circa 1990-1999. R1100 series: circa 1993-2006. R850 series: circa 1996-2007.
Industry Reputation:
These models are recognized for their comfort, build quality, and performance, solidifying BMW's reputation in the premium motorcycle market.
Long Distance Touring Capability:
Highly regarded for long-distance touring comfort and capability, often praised in motorcycle press reviews of their era.
