Target Audience:
        
        
            BMW motorcycle owners, independent repair shops, enthusiasts performing their own maintenance and repairs.
        
     
    
    
        
            Manual Value Proposition:
        
        
            Provides a critical resource for maintaining and repairing complex BMW Boxer engines and associated systems, saving on dealership service costs.
        
     
    
    
        
            Key Selling Points:
        
        
            Comprehensive coverage, detailed illustrations, step-by-step procedures, essential for accurate repairs and parts ordering.
        
     
 
    
    
    
        
            Manual Title:
        
        
            BMW R1100S R850 1200C R1150 GS 1999-2005 Service Repair Manual
        
     
    
        
            Covered Models And Years:
        
        
            BMW R1100S (1999-2005), BMW R850 (specific variants within 1999-2005), BMW R1200C (specific variants within 1999-2005), BMW R1150 GS (1999-2005)
        
     
    
    
        
            Estimated Page Count:
        
        
            Detailed page count not specified, but described as 'complete service manual' suggesting extensive coverage.
        
     
    
    
        
            Manual Type:
        
        
            Service Repair Manual
        
     
    
    
        
            Language:
        
        
            English (presumed, standard for official BMW manuals unless otherwise specified)
        
     
    
    
        
            Format:
        
        
            Likely digital (PDF) or printed, described as 'complete service manual'.
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine teardown and rebuild, fuel injection, ignition, lubrication, cooling (air/oil), exhaust.
        
     
    
        
            Transmission Drivetrain:
        
        
            Gearbox, clutch, final drive (shaft drive), lubrication.
        
     
    
        
            Chassis Suspension:
        
        
            Front suspension (Telelever/Duolever variants depending on model), rear suspension (Paralever), frame, steering.
        
     
    
        
            Braking System:
        
        
            ABS (Integral ABS on many models), brake fluid, caliper overhaul, master cylinders, lines.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery, alternator, starter, lighting, ignition system components, sensors, ECU diagnostics.
        
     
    
        
            Bodywork Fittings:
        
        
            Body panels, fairings, seating, fuel tank, storage, fairing removal and installation.
        
     
    
    
        
            Maintenance Procedures:
        
        
            Oil changes, filter replacement, spark plug service, valve clearance checks/adjustment, drive shaft lubrication, brake bleeding, tire pressure checks, battery maintenance.
        
     
    
        
            Repair Procedures:
        
        
            Complete engine rebuild, gearbox overhaul, suspension component replacement, brake system repair, electrical component troubleshooting and replacement.
        
     
    
        
            Troubleshooting Diagnostics:
        
        
            Fault finding guides, diagnostic codes (if applicable to the era), common issues and their solutions.
        
     
    
        
            Electrical Troubleshooting:
        
        
            Includes detailed wiring diagrams, component testing procedures, and diagnostic flowcharts for electrical faults.
        
     
    
        
            Fuel System Diagnostics:
        
        
            Covers fuel pressure checks, injector testing, throttle body synchronization, and troubleshooting fuel delivery issues.
        
     
    
        
            ABS System Service:
        
        
            Detailed procedures for bleeding the ABS system, replacing ABS sensors, and diagnosing ABS faults, including specific integral ABS functions.
        
     
    
        
            Suspension Overhaul:
        
        
            Procedures for servicing front and rear suspension units, including oil changes, seal replacements, and spring adjustments where applicable.
        
     
    
    
        
            Technical Depth:
        
        
            Comprehensive, covering everything from basic maintenance to complete engine and gearbox rebuilds, including detailed diagrams and specifications.
        
     
    
        
            Detail Level:
        
        
            Includes 'pictures and part di......' suggesting detailed illustrations, exploded views, and torque specifications.
        
     
 
    
    
    
        
            Digital Format Details:
        
        
            If PDF, expected to be searchable, printable, with high-resolution images. Quality is critical for repair accuracy.
        
     
    
    
        
            Print Quality Expectation:
        
        
            For printed versions, expect clear, crisp text and high-resolution illustrations on durable paper suitable for workshop environments.
        
     
    
    
        
            Binding Type Expectation:
        
        
            Likely spiral-bound or lay-flat binding for easy use on a workbench, or a durable perfect-bound format for printed versions.
        
     
    
    
        
            Paper Type Expectation:
        
        
            For printed versions, coated or semi-gloss paper for illustrations and durability, with matte finish for text pages.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Air/Oil-cooled, four-stroke, two-cylinder, Boxer engine (common to all listed models, with variations in displacement).
        
     
    
        
            Engine Displacements:
        
        
            R850 (approx. 848cc), R1100S (approx. 1085cc), R1150 GS (approx. 1130cc), R1200C (approx. 1170cc).
        
     
    
    
        
            Typical Horsepower Range:
        
        
            Varies by model, generally from 70 hp (R850) to over 95 hp (R1100S, R1150 GS).
        
     
    
        
            Typical Torque Range:
        
        
            Varies by model, generally from 75 Nm (R850) to over 100 Nm (R1150 GS).
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI) - Bosch Motronic system variants.
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (Premium/Super).
        
     
    
    
        
            Engine Configuration:
        
        
            Horizontally opposed twin-cylinder (Boxer) engine.
        
     
    
    
        
            Cooling Method:
        
        
            Air and oil cooling (oil cooler is standard on R1100, R1150, R1200 variants).
        
     
 
    
    
    
        
            Safety Ratings Mention:
        
        
            Manual likely details ABS system performance and safe operating procedures. Specific crash test ratings for motorcycles of this era are less standardized than for cars.
        
     
    
    
        
            Active Safety Systems:
        
        
            Integral ABS (Anti-lock Braking System) is a key safety feature on many of these models, especially the R1150 GS and R1100S. Manual covers its function and maintenance.
        
     
    
    
        
            Passive Safety Features:
        
        
            Frame integrity, rider ergonomics for control, braking system effectiveness. Manual will detail checks for these.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically 10,000 km or annually, whichever comes first. Specifics detailed in the manual.
        
     
    
        
            Valve Adjustment Interval:
        
        
            Typically 20,000 km or 40,000 km, depending on model and specific service schedule. Manual provides the definitive schedule.
        
     
    
    
        
            Engine Oil Specification:
        
        
            BMW recommends specific grades of synthetic oil, typically 15W-50 or 20W-50, meeting API SG/SH or JASO MA standards. Manual will list exact BMW specifications.
        
     
    
        
            Gearbox Oil Specification:
        
        
            Hypoid gear oil, e.g., SAE 90 API GL-5. Manual will specify BMW's recommended fluid.
        
     
    
        
            Brake Fluid Specification:
        
        
            DOT 4 or DOT 5.1 brake fluid (depending on ABS version). Manual confirms the exact type and change interval.
        
     
    
        
            Final Drive Oil Specification:
        
        
            Hypoid gear oil, e.g., SAE 90 API GL-5. Manual will specify BMW's recommended fluid.
        
     
    
    
        
            Common Issues R1100S:
        
        
            Oil leaks (cam cover gaskets, oil cooler seals), clutch slave cylinder issues, throttle body synchronization.
        
     
    
        
            Common Issues R1150Gs:
        
        
            Telelever seal leaks, driveshaft splines wear, ABS modulator issues, oil leaks (similar to R1100S).
        
     
    
        
            Common Issues R1200C:
        
        
            Similar to other Boxer models but specific nuances related to its cruiser design, e.g., suspension tuning, brake feel.
        
     
    
        
            Common Issues R850:
        
        
            Generally robust, but shares potential issues with the R1100 series regarding seals and routine maintenance items.
        
     
    
    
        
            Oil Filter Part Number Example:
        
        
            Example: BMW Part No. 11 42 1 456 473 (fits many Boxer models). Manual will confirm exact part numbers.
        
     
    
        
            Air Filter Part Number Example:
        
        
            Example: BMW Part No. 13 72 1 459 595 (fits many Boxer models). Manual will confirm exact part numbers.
        
     
 
    
    
    
        
            Bmw Motorcycle Legacy:
        
        
            BMW's long history of engineering robust and reliable motorcycles, particularly known for its Boxer engine configuration and touring/adventure capabilities.
        
     
    
    
        
            Boxer Engine Development:
        
        
            These models represent a significant evolution of BMW's Boxer engine, moving from air-cooling to oil-cooling (R1100 series onwards) and incorporating advanced fuel injection and ABS.
        
     
    
    
        
            Production Era:
        
        
            The late 1990s and early 2000s were a period of refinement and expansion for BMW's Boxer line, introducing sport-touring (R1100S), adventure (R1150 GS), and cruiser (R1200C) variants.