🏷️ Basic Information

Make:

BMW

Model:

R1150 GS

Model Code:

R2S

Generation Designation:

First Generation R1150 GS

Engine Code Family:

Oilhead Boxer

👋 Introduction

Motorcycle Segment:

Adventure Touring (ADV)

Target Audience:

BMW R1150 GS owners, independent repair shops, DIY mechanics.

Key Competitors:

Honda Africa Twin, Yamaha Super Ténéré, Triumph Tiger, Suzuki V-Strom, Ducati Multistrada.

Vehicle Appeal:

Ruggedness, long-distance comfort, off-road capability, boxer engine character, telelever front suspension.

Manual Value Proposition:

Provides comprehensive technical guidance for maintenance, repair, and troubleshooting, empowering owners to service their own motorcycles and reduce reliance on dealerships.

📋 Manual Details

Applicable Model Years:

1993-2003 (Note: Production of R1150 GS began in 1999. This manual likely covers earlier R-series models and the transition to the R1150 GS, or is misrepresenting the year range for the specific R1150 GS model.)

Engine Variants Covered:

1150cc Boxer Twin (R2S)

Regions Covered:

Global (assumed, based on typical BMW manual distribution)

Estimated Page Count:

500+

Manual Type:

Workshop Service and Repair Manual

Language:

English

Format:

Downloadable PDF

📖 Manual Coverage

Engine:

Complete engine disassembly, assembly, tuning, diagnostics (including fuel injection, ignition, oil cooling, lubrication, exhaust)

Transmission:

Gearbox (clutch, gears, shift mechanism), driveshaft, final drive (including lubrication and maintenance)

Chassis:

Frame, suspension (telelever front, paralever rear), steering, wheels, tires, spokes

Brakes:

ABS II/III systems, hydraulic lines, calipers, discs, fluid replacement, bleeding procedures

Electrical System:

Wiring diagrams, battery, alternator, starter, lighting, instrumentation, ignition switch, ECU troubleshooting

Fuel System:

Fuel tank, fuel pump, fuel injectors, throttle body, fuel pressure regulator, diagnostics

Bodywork And Trim:

Fairings, seat, fuel tank cover, fenders, luggage rack mounting

Maintenance Procedures:

Routine checks, oil changes, filter replacements, spark plug service, valve clearance adjustment, brake fluid flush, coolant service

Repair Procedures:

Component-level repair and replacement (e.g., clutch replacement, fork seal replacement, fuel injector cleaning, final drive seal replacement)

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation

Diagnostic Procedures:

Procedures for using diagnostic tools (e.g., BMW scan tools), sensor testing, actuator testing

Calibration And Adjustment:

Throttle body synchronization, idle speed adjustment, ABS bleeding calibration

Depth Of Coverage:

Comprehensive, covering from basic maintenance to full engine and transmission rebuilds, including electrical system diagnostics and ABS troubleshooting.

Diagrams And Illustrations:

Detailed exploded views, schematics, and step-by-step photographs/illustrations.

Torque Specifications:

Extensive list of critical torque values for all fasteners and components.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text for quick information retrieval.

Printability:

Printable pages for use in a workshop environment.

Image Resolution:

High-resolution images and diagrams for clarity.

Binding Type:

N/A (Downloadable PDF)

Paper Type:

N/A (Downloadable PDF)

⚙️ Engine Specifications

Engine Type:

Air/Oil-cooled, four-stroke, boxer-twin

Displacement:

1130 cc (1150cc designation)

Bore X Stroke:

101 mm x 70.5 mm

Compression Ratio:

9.0:1

Valve Train:

2 valves per cylinder, OHC (Single overhead camshaft per cylinder)

Horsepower:

85 hp (63 kW) @ 6750 rpm

Torque:

98 Nm (72 lb-ft) @ 5250 rpm

Fuel Delivery:

Bosch Motronic MA 2.4 fuel injection with sequential injection

Fuel Type:

Unleaded 91 octane (RON)

Fuel Tank Capacity:

22 liters (5.8 US gal)

Oil Type:

BMW Motorrad recommended synthetic or semi-synthetic motorcycle oil, API SG/SH or higher, SAE 20W-40 or 20W-50.

Oil Capacity:

Approx. 4 liters (4.2 US quarts) with filter change.

Cooling Method:

Air-cooled cylinders, oil-cooled cylinder heads.

🔧 Transmission

Transmission Type:

6-speed manual gearbox

Clutch Type:

Single dry plate, hydraulically actuated

Final Drive:

Shaft drive

Gear Ratios:

Manual specifies individual gear ratios.

Final Drive Ratio:

Manual specifies final drive ratio.

Transmission Oil Type:

Manual specifies recommended gear oil type (e.g., SAE 75W-90 synthetic).

📐 Dimensions

Length:

Approx. 2230 mm (87.8 in)

Width:

Approx. 910 mm (35.8 in)

Height:

Approx. 1430 mm (56.3 in) (seat height adjustable)

Wheelbase:

Approx. 1509 mm (59.4 in)

Dry Weight:

Approx. 232 kg (511 lbs)

Gross Vehicle Weight Rating:

Manual specifies GVWR.

Payload Capacity:

Manual specifies payload capacity.

🛡️ Safety Features

ABS:

Integral ABS II or Integral ABS III (optional depending on market/year)

Braking System Front:

Dual 305 mm discs with 4-piston calipers

Braking System Rear:

Single 276 mm disc with 2-piston caliper

Frame Construction:

Tubular steel Trellis frame.

Lighting:

Halogen headlamp, LED taillight.

💡 Technology Features

Infotainment System:

N/A (Standard motorcycle features for this era).

ABS:

Integral ABS (optional, but widely equipped). Manual covers ABS II/III diagnostics and maintenance.

Traction Control:

ASC (Automatic Stability Control) was an option on later models, manual may cover basic diagnostics if equipped.

Connectivity Features:

N/A (No integrated smartphone connectivity or Bluetooth for this era).

Instrument Cluster:

Analog speedometer, tachometer, LCD display for odometer, trip meters, clock, gear indicator (optional), engine warning light, ABS indicator.

🔧 Maintenance

Oil Change Interval:

10,000 km (6,000 miles) or annually.

Major Service Interval:

20,000 km (12,000 miles) for valve clearance, spark plugs, fuel filter replacement.

Brake Fluid Change Interval:

2 years, regardless of mileage.

Engine Oil Spec:

BMW Motorrad Advised: SAE 20W-50, API SG or higher.

Transmission Oil Spec:

GL-5, SAE 75W-90 Synthetic Gear Oil (example, consult manual for exact spec).

Final Drive Oil Spec:

GL-5, SAE 80W-90 Gear Oil (example, consult manual for exact spec).

Brake Fluid Spec:

DOT 4

Common Issues R1150Gs:

Fuel pump issues (early models), alternator output (some units), starter motor solenoid, ABS sensor reliability, clutch slave cylinder leaks, rear brake pad wear rate.

Manual Utility For Issues:

Provides diagnostic steps and repair procedures for most common issues.

📚 Vehicle History

Heritage Context:

BMW Motorrad's legacy in motorcycle engineering, particularly with the boxer engine and adventure touring segment pioneered by the R80G/S.

Predecessor:

BMW R1100 GS

Successor:

BMW R1200 GS

Key Advancements Over R1100Gs:

Increased engine displacement, improved torque, revised transmission, optional ABS III, enhanced suspension travel, improved ergonomics.

Production Period R1150Gs:

1999-2005

Manufacturing Location:

Berlin, Germany (BMW Motorrad Plant)

🏆 Awards & Recognition

Motorcycle Awards:

The R1150 GS was consistently praised for its versatility, comfort on long journeys, and off-road prowess, often winning 'adventure bike of the year' accolades in various publications during its production run.

Reliability Perception:

Generally considered reliable with proper maintenance, though specific components like the fuel pump and alternator have known wear points.