Market Niche:
Innovative urban mobility solution with car-like safety features
Competitors:
Honda Pantheon, Yamaha Majesty, Gilera Nexus (though C1's safety cage was unique)
Safety Cage:
Integrated safety cage providing rollover protection
Airbag:
Optional airbag system for enhanced frontal impact protection
Windscreen:
Integrated, high windscreen for weather protection
Storage:
Integrated storage compartment behind the seat
Technical Coverage:
Complete mechanical and electrical repair and maintenance
Bodywork Coverage:
Body panels, frame, seating, safety cage
Electrical Coverage:
Wiring diagrams, lighting, ignition, charging system, accessories
Diagnostic Coverage:
Troubleshooting guides, fault codes, diagnostic procedures
Type:
Factory Service Repair Manual
Engine:
Engine assembly, disassembly, inspection, lubrication, cooling, fuel, ignition, exhaust
Transmission:
Automatic transmission (CVT) components, operation, and repair
Brakes:
Front and rear brake systems, hydraulic components, ABS (if applicable)
Suspension:
Front and rear suspension components, fork, shock absorber, linkages
Chassis:
Frame construction, steering system, wheel bearings
Electrical System:
Battery, starter, alternator, lighting (headlight, taillight, indicators), horn, instrumentation
Fuel System:
Fuel tank, fuel pump, fuel injection system, carburetor (if applicable), fuel lines
Cooling System:
Radiator, fan, thermostat, coolant passages
Exhaust System:
Muffler, catalytic converter (if applicable), exhaust pipes
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication points
Repair:
Detailed step-by-step repair procedures for all major components and systems
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting, common problem solutions
Disassembly Assembly:
Complete instructions for component removal and reinstallation
Specifications:
Torque values, clearances, tolerances, fluid capacities, electrical resistance
Depth:
Comprehensive, covering from basic maintenance to in-depth engine and transmission overhauls
Diagnostic Tools:
Information on special tools and diagnostic equipment required for repairs
Engine Type:
Single-cylinder, four-stroke, liquid-cooled
Displacement:
176 cc (10.7 cu in)
Bore X Stroke:
66 mm x 51.5 mm (2.60 in x 2.03 in)
Compression Ratio:
10.5:1
Horsepower:
15 hp (11 kW) at 7,200 rpm (approximate)
Torque:
17 Nm (12.5 lb-ft) at 5,500 rpm (approximate)
Fuel Delivery:
Fuel Injection (likely Keihin or similar, specific system details in manual)
Fuel Type:
Unleaded gasoline (Octane rating specified in manual)
Oil Type:
SAE 10W-40 Synthetic or Semi-Synthetic Motorcycle Oil (confirm specific BMW approval in manual)
Oil Capacity:
Approx. 1.0-1.2 liters (refer to manual for exact capacity and procedure)
Length:
Approx. 2030 mm (79.9 in)
Width:
Approx. 840 mm (33.1 in)
Height:
Approx. 1300 mm (51.2 in) to top of windshield
Storage Volume:
Approx. 15 liters (internal compartment)
Dry Weight:
Approx. 180 kg (397 lbs)
Gross Vehicle Weight Rating:
Specified in manual, typically around 300-350 kg
Front Tire Size:
120/70-13 (refer to manual for specific OE fitment)
Rear Tire Size:
140/70-14 (refer to manual for specific OE fitment)
Wheel Bolt Pattern:
N/A (Scooter specific hub mounting, refer to manual for torque specs)
Crash Safety:
Designed with a safety cage for enhanced rider protection compared to traditional scooters
ABS:
Available as an option on some models (details in manual if equipped)
Braking System:
Front disc brake, Rear disc brake (specific sizes and types in manual)
Airbag:
Optional driver-side airbag (refer to manual for system details and maintenance)
Seatbelt:
Integrated seatbelt for rider within the safety cage
Rollover Protection:
Integral roll-over cage structure
Instrument Cluster:
Analog speedometer, tachometer, fuel gauge, and warning lights. Digital clock often included.
ABS:
Optional ABS system significantly enhances braking safety.
Power Outlet:
Often equipped with a 12V power outlet for charging accessories.
Oil Change Interval:
Typically every 5,000-10,000 km or annually (refer to manual for exact schedule and conditions)
Air Filter Replacement:
Check at regular intervals, replace as needed (specific mileage in manual)
Spark Plug Replacement:
Refer to manual for recommended mileage or time interval
Cv Belt Replacement:
Critical maintenance item, replacement interval specified in manual (e.g., 20,000-30,000 km)
Engine Oil Viscosity:
SAE 10W-40 (confirm specific BMW approval)
Coolant Type:
Ethylene glycol-based coolant, specific BMW specification (e.g., BMW HT-12 or equivalent, refer to manual)
Brake Fluid Type:
DOT 4 or DOT 5.1 (refer to manual for exact specification and replacement interval)
Cv Belt Wear:
CVT belt can wear over time, leading to slippage or reduced acceleration. Regular inspection and replacement are crucial.
Electrical Gremlins:
As with many vehicles of this era, wiring harness issues or connector corrosion can occur. Manual's electrical section is vital.
Suspension Bushings:
Wear in suspension bushings can lead to vague handling or knocking sounds.
Brand Focus:
BMW is renowned for its engineering precision, performance, and premium vehicles, extending this ethos to its motorcycle division.
Innovation:
The C1 was a unique and innovative concept in the scooter market, prioritizing rider safety with car-like features.
Development Period:
Developed in the late 1990s, launched around 2000.
Manufacturing Location:
Primarily manufactured in Germany and Italy (under license).
Production Years:
Approximately 2000-2004
