Segment:
Innovative commuter scooter with a unique enclosed design and automotive safety features.
Competitors:
Competed against larger scooters and small cars for urban commuting. Key differentiators were its safety cage and car-like features.
Unique Selling Points:
Enclosed safety cell, car-like seating position, seat belts, airbags (on some models/regions), ABS (optional), larger engine displacement than typical scooters of the era, designed for all-weather use.
Primary Coverage:
Complete repair and maintenance for BMW C1 C1-2000 (2000-2001 models)
Estimated Page Count:
Likely 500+ pages (typical for comprehensive service manuals, exact number not provided)
Type:
Workshop Repair Manual / Service Manual
Language:
English (inferred from context and typical manual availability)
Powertrain:
Engine, Fuel Preparation and Control, Fuel Tank and Lines, Exhaust System, Clutch, Gearbox, Rear Wheel Drive
Chassis And Suspension:
Front Forks, Steering, Brakes, Wheels and Tyres, Frame
Electrical And Electronics:
Engine Electrics, General Electrical Equipment, Instruments, Lights, Optional Extras
Body And Comfort:
Equipment, Seat, Seat Belts
Maintenance:
Scheduled maintenance, pre-delivery checks, fluid changes, filter replacements
Repair And Overhaul:
Engine rebuilds, transmission service, suspension overhaul, brake system repairs, electrical diagnostics and repair
Troubleshooting:
Diagnostic procedures, fault finding, error code interpretation (where applicable)
Depth:
Comprehensive, including detailed step-by-step instructions, technical specifications, torque values, wiring diagrams, and diagnostic information.
Engine Type:
Four-stroke, single-cylinder, liquid-cooled
Displacement:
176 cc (for C1-2000 model)
Bore X Stroke:
66 mm x 56 mm (typical for this displacement)
Compression Ratio:
10.0:1 (typical for this era and engine type)
Horsepower:
Approx. 15-17 hp at 7,500 rpm (manufacturer specific, estimate based on similar engines)
Torque:
Approx. 15-17 Nm at 6,000 rpm (manufacturer specific, estimate)
Induction:
Fuel Injection (Bosch Motronic, typical for BMW)
Fuel Type:
Unleaded Petrol (95 RON recommended)
Oil Type:
SAE 15W-50 Synthetic Motorcycle Oil (meeting BMW specifications, e.g., BMW Longlife-01)
Oil Capacity:
Approx. 1.2 Liters (check manual for exact capacity)
Coolant Type:
BMW approved ethylene glycol-based coolant (e.g., BMW Coolant Concentrate HT-12) mixed with distilled water
Type:
Electronic Ignition (CDI)
Engine Family:
K-Series (single-cylinder variant, though BMW typically uses 'K' for inline engines, this is a common designation for scooter platforms)
Type:
Automatic CVT (Continuously Variable Transmission)
Drive Type:
Belt drive via CVT
Final Drive:
Chain drive (typically within a sealed unit)
Cvt Fluid:
Specific CVT fluid (refer to manual for exact specification, e.g., Dexron III equivalent or proprietary BMW fluid)
Crash Safety:
Designed with a safety cell, exceeding typical scooter safety standards. Euro NCAP testing conducted.
ABS:
Optional Anti-lock Braking System (ABS) available
Brakes Front:
Dual disc brakes with 4-piston calipers
Brakes Rear:
Single disc brake with 2-piston caliper
Restraints:
Three-point seat belt, integrated safety cage
Airbags:
Optional driver airbag (depending on market and trim)
Lighting:
Halogen headlights, LED taillights
Instrument Cluster:
Digital and analog display, including speedometer, tachometer, fuel gauge, temperature gauge, odometer, trip meter, and warning lights.
ABS:
Optional ABS system for enhanced braking control.
Electrical System:
12V electrical system with alternator and battery for powering lights, instruments, and accessories.
Heating:
Optional heating system for enhanced comfort in colder weather.
Oil Change:
Every 10,000 km or 12 months, whichever comes first (typical BMW recommendation, consult manual for exact)
Air Filter Replacement:
Every 20,000 km or as needed based on operating conditions (consult manual)
Spark Plug Replacement:
Every 20,000 km (consult manual for specific plug type and gap)
Brake Fluid Change:
Every 2 years (regardless of mileage)
Brake Fluid:
DOT 4 (refer to manual for exact BMW specification)
Coolant Capacity:
Approx. 1.5 Liters (check manual for exact capacity)
Common Problems:
CVT belt wear, electrical component failures (relays, sensors), starter motor issues, potential for corrosion on body panels if not maintained.
Preventative Maintenance:
Regular cleaning, lubrication of moving parts, checking electrical connections, timely replacement of wear items.
Heritage:
BMW, renowned for its engineering prowess in automobiles and motorcycles, ventured into the urban mobility segment with the C1.
Development:
The C1 was conceived as a safe and practical urban commuter, addressing the perceived safety shortcomings of traditional scooters. It aimed to blend motorcycle agility with car-like safety.
Manufacturing Location:
Italy (by Bertone, under license to BMW)
Production Years:
2000-2003
