Segment:
Luxury Touring Motorcycle
Target Audience:
Owners and independent technicians specializing in BMW motorcycles, seeking comprehensive repair and maintenance information.
Competition:
Competed directly with other large-displacement touring motorcycles like Honda Gold Wing, Harley-Davidson Electra Glide, and Yamaha Royal Star Venture.
Distinctive Features:
BMW's signature flat-twin engine (though K-series uses inline-four), Duolever front suspension, extensive fairing for rider protection, comfortable ergonomics for long-distance travel, integrated luggage, electric windshield, reverse gear.
Engine Mechanical:
Full overhaul, internal components, cylinder head, pistons, crankshaft, camshafts, timing, valve adjustment, lubrication system, cooling system.
Fuel System:
Fuel injection system (EFI), fuel pump, injectors, fuel pressure regulator, throttle body, idle control, emissions control.
Ignition System:
Ignition coils, spark plugs, crankshaft position sensor, camshaft position sensor, ignition module.
Transmission:
Clutch operation, gearbox inspection and repair, shifting mechanism, lubrication, removal and installation.
Chassis And Frame:
Frame inspection, subframe, steering head bearings, swingarm, rear suspension linkage.
Front Suspension:
BMW Duolever front suspension system, fork components, oil seals, steering bearings, adjustments.
Rear Suspension:
Monoshock rear suspension, spring preload adjustment, damping adjustments, shock absorber overhaul.
Brakes:
Hydraulic brake system, ABS (Anti-lock Braking System) components, brake fluid flush and bleeding, caliper overhaul, master cylinder, brake lines, rotors.
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator), starter motor, lighting system, indicators, horn, instrument cluster, ECU (Engine Control Unit).
Bodywork And Trim:
Fairing removal and installation, body panels, seats, luggage systems, wind deflector, mirrors.
Comfort Features:
Heated grips, heated seats, electric windshield, cruise control, reverse gear system (if applicable).
Preventative Maintenance:
Oil changes, filter replacements, spark plug replacement, brake fluid service, coolant flush, drive shaft lubrication.
Troubleshooting:
Diagnostic procedures for common issues, fault code interpretation, electrical system troubleshooting, engine performance issues.
Repair Procedures:
Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation.
Diagnostic Codes:
ECU error code lookup and interpretation.
Technical Data And Specs:
Torque specifications, fluid capacities, electrical specifications, measurement tolerances.
Depth Of Coverage:
Comprehensive from basic maintenance to full engine and transmission rebuilds, including advanced diagnostics and electrical system schematics.
Engine Type:
Inline-Four Cylinder, Four-Stroke
Displacement:
1171 cc (71.4 cu in)
Bore X Stroke:
76.8 mm x 64.0 mm (3.02 in x 2.52 in)
Compression Ratio:
10.5:1
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Liquid-cooled
Power Output:
Approx. 100 hp (74.6 kW) @ 7250 rpm (Model dependent, may vary slightly by year)
Torque Output:
Approx. 110 Nm (81 lb-ft) @ 5250 rpm (Model dependent, may vary slightly by year)
Fuel Delivery:
Electronic Fuel Injection (EFI), Bosch Motronic system
Fuel Type:
Unleaded Premium (95 RON)
Fuel Capacity:
21 liters (5.5 US gal)
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Oil Filter Replacement:
With every oil change.
Spark Plug Replacement:
Every 20,000 km (12,000 miles) or every two years.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Coolant Flush:
Every 3 years, or as specified by the manual.
Engine Oil Type:
SAE 5W-40 Synthetic Motorcycle Oil (API SG or higher, JASO MA certified)
Engine Oil Capacity:
4.0 liters (4.2 US quarts) with filter change.
Coolant Type:
BMW Motorrad Approved Antifreeze/Coolant (Ethylene Glycol based with corrosion inhibitors, typically blue color)
Brake Fluid Type:
DOT 4 (High Temperature Synthetic Brake Fluid)
Transmission Oil Type:
SAE 75W-90 Synthetic Gear Oil (API GL-4 or GL-5)
Transmission Oil Capacity:
0.25 liters (0.26 US quarts)
Final Drive Oil Type:
SAE 75W-90 Synthetic Gear Oil (API GL-5 recommended)
Final Drive Oil Capacity:
0.18 liters (0.19 US quarts)
Common Wear Items:
Clutch slave cylinder seals, front fork oil seals (Duolever), water pump seals, battery terminal corrosion.
Electrical Gremlins:
Intermittent issues related to wiring harnesses, grounds, and the main ECU; reverse gear solenoid can be prone to failure.
Fuel System Issues:
Fuel pump failures, clogged fuel injectors.
Suspension Wear:
Rear shock absorber can lose damping over time, requiring rebuild or replacement.