🏷️ Basic Information

Make:

BMW

Model:

R1150GS

Model Generation:

Second Generation (R21)

Product Name:

1993-2003 BMW R1150 GS Workshop Service Repair Manual

Applicable Years:

1993-2003 (Primary focus on R1150GS models within this range, noting potential earlier R1100GS overlap in some documentation)

👋 Introduction

Segment:

Adventure Touring Motorcycle

Segment Description:

The R1150GS redefined the adventure touring segment, offering a potent blend of on-road comfort and off-road capability, making it a dominant force in its class.

Competitors:

Honda Africa Twin, Triumph Tiger, Yamaha Super Tenere, Moto Guzzi Quota.

Key Differentiators:

BMW's characteristic Boxer engine torque, Telelever front suspension, optional ABS, and robust build quality provided a unique and highly regarded riding experience.

Adventure Capability:

Designed for long-distance travel over varied terrain, with substantial suspension travel and rugged construction.

On Road Comfort:

Comfortable riding position, ample wind protection, and smooth Boxer engine contribute to excellent touring ergonomics.

Technological Advancements:

Introduction of optional ABS, fuel injection, and advanced suspension systems for its era.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Drivetrain:

Yes

Suspension:

Yes

Brakes:

Yes

Electrical System:

Yes

Fuel System:

Yes

Cooling System:

Yes

Exhaust System:

Yes

Chassis:

Yes

Bodywork And Fairings:

Yes

Troubleshooting:

Yes

Maintenance Schedules:

Yes

Wiring Diagrams:

Yes

Torque Specifications:

Yes

Special Tools:

Yes

Estimated Pages:

800+

Type:

Workshop Service Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanical:

Complete disassembly, inspection, and reassembly of the Boxer twin engine (R21), including cylinders, pistons, crankshaft, camshafts, valve train, and oil pump.

Engine Management:

Detailed coverage of the Bosch Motronic 2.2 fuel injection and ignition system, including sensor diagnostics, actuator testing, and troubleshooting ignition misfires.

Transmission Gearbox:

Complete service procedures for the 5-speed sequential gearbox, including clutch operation, gear selection mechanism, and lubrication.

Final Drive:

Detailed instructions for servicing the single-sided swingarm and Paralever drive shaft, including spline lubrication, seal replacement, and universal joint inspection.

Suspension Front:

In-depth coverage of the Telelever front suspension, including fork oil changes, seal replacement, spring inspection, and damping adjustments.

Suspension Rear:

Comprehensive guide to the Monolever rear suspension, including shock absorber servicing, linkage inspection, and spring pre-load adjustments.

Braking System:

Detailed procedures for the BMW EVO Integral ABS II (optional) and standard brake systems, including pad replacement, caliper servicing, fluid bleeding, and ABS component testing.

Electrical Charging:

Service and testing of the alternator, voltage regulator, and battery charging system.

Electrical Lighting And Signals:

Wiring diagrams, bulb replacement, and troubleshooting for headlights, taillights, turn signals, and dashboard indicators.

Fuel Delivery:

Maintenance and troubleshooting of the fuel pump, fuel filter, fuel lines, and injectors.

Cooling System:

Oil cooling system maintenance, including oil cooler inspection and oil circulation checks.

Exhaust Emissions:

Catalytic converter inspection and exhaust system component checks.

Body And Frame:

Fairing removal and installation, seat servicing, fuel tank maintenance, and chassis component inspections.

Routine Maintenance:

Oil and filter changes, spark plug replacement, air filter servicing, drive shaft lubrication, and valve clearance checks.

Component Rebuilds:

Complete engine rebuild procedures, including piston ring replacement, bearing services, and gasket replacement.

Troubleshooting Diagnostics:

Systematic diagnostic flowcharts and symptom-based troubleshooting for common issues like starting problems, poor running, and electrical faults.

ABS System Maintenance:

Specific procedures for bleeding the ABS hydraulic system and diagnostics for the ABS control unit and sensors.

Suspension Adjustment:

Guidance on adjusting suspension sag and damping settings for various riding conditions.

Electrical Troubleshooting:

Use of wiring diagrams to diagnose faults in lighting, ignition, starting, and accessory circuits.

Fuel System Diagnosis:

Testing fuel pressure, injector spray patterns, and diagnosing lean/rich conditions.

Special Tool Application:

Instructions on how to use specialized BMW tools for tasks like engine assembly, suspension servicing, and ABS bleeding.

Depth:

Comprehensive: Covers everything from basic fluid changes to full engine and transmission rebuilds, including electrical system diagnostics and ABS component servicing.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for quick information retrieval.

Printable:

Printable pages for workshop use.

Image Resolution:

High-resolution diagrams and illustrations.

Binding:

N/A (Digital Format)

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Type:

Air-cooled, four-stroke, horizontally opposed twin-cylinder (Boxer)

Displacement:

1130 cc (approx.)

Bore X Stroke:

95 mm x 79 mm

Compression Ratio:

10.0:1

Valve Actuation:

Overhead camshafts (SOHC), 2 valves per cylinder

Horsepower:

Approx. 85 hp @ 6750 rpm

Torque:

Approx. 98 Nm (72 lb-ft) @ 5250 rpm

Fuel Delivery:

Bosch Motronic 2.2 Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline, 91-98 RON

Oil Capacity:

Approx. 4.0 liters (4.2 US quarts) with filter

Oil Type Specification:

SAE 20W-50 or 15W-40, API SG/SH or higher (refer to manual for precise recommendation)

🔧 Transmission

Type:

5-speed manual, constant mesh

Clutch:

Single dry plate, diaphragm spring

Final Drive:

Shaft drive via Paralever single-sided swingarm

Gear Ratios:

Refer to manual for specific ratios (e.g., 1st: 3.000, 2nd: 2.063, 3rd: 1.556, 4th: 1.273, 5th: 1.036)

Transmission Fluid:

SAE 75W-90 Hypoid Gear Oil (API GL-5)

📐 Dimensions

Length:

Approx. 2240 mm (88.2 in)

Width:

Approx. 920 mm (36.2 in) at handlebars

Height:

Approx. 1430 mm (56.3 in) at seat

Wheelbase:

Approx. 1505 mm (59.3 in)

Dry Weight:

Approx. 247 kg (545 lbs)

Wet Weight:

Approx. 270 kg (595 lbs) (with full fluids)

Gross Vehicle Weight Rating:

Refer to manual for specific GVWR

Fuel Tank Capacity:

20.0 liters (5.3 US gallons), including 4.0 liters reserve

🛡️ Safety Features

ABS:

Optional BMW EVO Integral ABS II (available on some models/years)

Braking System Description:

Dual front discs with 4-piston calipers, single rear disc with 2-piston caliper. Integral ABS applies front brake via the handlebar lever.

Suspension Stability:

Telelever front suspension provides excellent stability and feedback, reducing dive under braking.

Frame Construction:

Trellis frame designed for strength and rigidity.

Lighting:

Dual headlights for enhanced visibility.

💡 Technology Features

Infotainment System:

Basic for its era; focused on functionality rather than integrated entertainment. Typically featured a dashboard with analog tachometer and speedometer, warning lights, and a clock. Optional GPS units were available.

ABS Availability:

Optional BMW EVO Integral ABS II (a pioneering system for adventure bikes at the time), offering linked braking and anti-lock functionality.

Suspension Technology:

Telelever front suspension and Monolever rear suspension provided advanced damping and ride control for the period.

Connectivity Features:

Limited to basic electrical connections for accessories. No integrated Bluetooth or Wi-Fi capabilities.

🔧 Maintenance

Oil And Filter Change:

Every 10,000 km (6,000 miles) or annually, whichever comes first.

Valve Clearance Check:

Every 20,000 km (12,000 miles)

Air Filter Inspection:

Every 10,000 km (6,000 miles), clean or replace as needed.

Spark Plug Replacement:

Every 20,000 km (12,000 miles)

Drive Shaft Lubrication:

Every 10,000 km (6,000 miles) or as per manual recommendation.

Engine Oil:

SAE 20W-50 or 15W-40, API SG/SH or higher (Refer to manual for precise recommendation)

Transmission Oil:

SAE 75W-90 Hypoid Gear Oil (API GL-5)

Brake Fluid:

DOT 4 (refer to manual for specific bleeding procedures)

Fork Oil:

Refer to manual for specific type and viscosity (often SAE 5W or 7.5W)

Oil Leaks:

Potential for minor oil leaks from engine seals (e.g., cylinder base gaskets, oil pan gasket) over time.

Telelever Pivot Bearings:

Wear in the Telelever pivot bearings can lead to looseness and imprecise steering. Requires periodic inspection and lubrication.

ABS Sensor Issues:

ABS sensor rings can accumulate dirt or become damaged, leading to ABS warning lights. Cleaning and inspection are often required.

Clutch Actuator Seal:

The clutch slave cylinder seal can degrade, leading to fluid leaks.

Heated Grip Failure:

Heated grips can sometimes fail due to electrical issues or wear.

Hall Effect Sensors:

Failure of the Hall effect sensors for ignition or ABS can cause starting or running issues.

📚 Vehicle History

Brand Origin:

Bayerische Motoren Werke AG (BMW), founded in Germany in 1916.

Motorcycle Legacy:

BMW has a long and successful history in motorcycle production, particularly known for its innovative Boxer twins and durable touring machines.

Predecessor:

R1100GS (introduced 1993)

Introduction Of R1150Gs:

The R1150GS was launched in 1999 as an evolution of the R1100GS, featuring an increased engine displacement.

Key Updates During Production:

Introduction of the significantly revised R21 platform in 1999, featuring the larger 1130cc engine. Later updates included improvements to ABS systems and minor styling revisions.

Production Period:

1999-2003 (for R1150GS models)

Manufacturing Location:

Berlin, Germany (Spandau plant)

🏆 Awards & Recognition

Motorcycle Of The Year:

While not specific 'Motorcycle of the Year' awards are easily found for this model, it consistently received high marks from motorcycle publications for its performance and versatility.

Adventure Segment Leader:

Widely regarded as a benchmark in the adventure touring category throughout its production run.

Editorial Reviews:

Consistently praised for its torque, comfort, handling balance between road and off-road, and build quality.