Market Positioning:
The Citroën BX was positioned as a practical, comfortable, and technologically advanced family car in the European market, known for its distinctive styling and hydropneumatic suspension.
Key Competitors:
Competed with vehicles like the Volkswagen Golf, Ford Escort, Peugeot 309, Opel Kadett, and Fiat Tipo.
Unique Selling Points:
Hydropneumatic self-leveling suspension, aerodynamic design, spacious interior, and innovative dashboard layout.
Owner Benefit:
Empowers owners to perform maintenance and repairs, saving on labor costs and understanding their vehicle's intricacies.
Professional Usefulness:
Provides factory-level data and procedures essential for professional mechanics and workshops.
General Maintenance:
Covered extensively, including periodic checks and fluid changes.
Troubleshooting:
Advanced troubleshooting guide included for diagnosing problems.
Engine Service Repair:
Comprehensive coverage for all engine variants.
Transmission Service Repair:
Detailed procedures for transmission maintenance and repair.
Brake System:
Full coverage of hydraulic and mechanical brake components.
Wiring Diagrams:
Detailed electrical wiring schematics for all systems.
Electrical System:
In-depth information on all electrical components and circuits.
Suspension:
Detailed coverage of the hydropneumatic suspension system.
Periodic Lubrication:
Specific lubrication points and recommended lubricants.
Steering:
Repair and maintenance procedures for the steering system.
Cooling System:
Maintenance and repair of the engine's cooling system.
Fuel Injection Fuel System:
Comprehensive coverage of fuel delivery and injection systems.
Emission System:
Information related to emissions control systems.
Heater Air Conditioning:
Service and repair of climate control systems.
Engine Control System:
Details on engine management and control units.
Chassis Body:
Bodywork repairs, chassis maintenance, and structural information.
Restraint System:
Information pertaining to seatbelts and other restraint components.
Interior:
Details on interior trim, components, and their removal/installation.
Differential Drive:
Service and repair of the drivetrain and differential.
Axle:
Information on front and rear axle assemblies.
Maintenance Procedures:
Step-by-step instructions for routine maintenance tasks.
Diagnostic Procedures:
Detailed procedures for diagnosing faults across all systems.
Repair Procedures:
Comprehensive instructions for component repair and replacement.
Rebuilding Procedures:
In-depth guidance for major component overhauls (e.g., engine, transmission).
Restoration Procedures:
Guidance for bringing the vehicle back to original specifications.
Depth Of Coverage:
Complete factory-level detail, suitable for professional technicians and serious DIYers.
Instruction Format:
Numbered instructions, detailed substeps, notes, cautions, and warnings.
Illustrations:
Includes hundreds of illustrations, drawings, photos, and enlarged insets.
Specifications:
All necessary factory specifications included to guide repair procedures.
Engine Options 1989:
Various petrol engines including 1.1L (H1A), 1.4L (YD, YX), 1.6L (1580cc, 159GP), 1.9L (XUD diesel, D8A, D9A), and potentially 1.9L petrol (XU9).
Horsepower Range:
Approx. 55 HP to 125 HP depending on engine and fuel type.
Torque Range:
Varies significantly by engine, diesel variants offering higher torque.
Fuel Delivery:
Carburetor (e.g., Solex, Weber) or Bosch L-Jetronic fuel injection depending on engine variant.
Cooling Type:
Liquid-cooled with thermostatically controlled fan.
Ignition System:
Electronic ignition system (distributorless or with distributor).
Standard Transmission:
4-speed or 5-speed manual transmission.
Optional Transmission:
3-speed or 4-speed automatic transmission (e.g., ZF 4HP18).
Drive Layout:
Front-wheel drive (FWD).
Transmission Fluid Manual:
API GL-4 specification gear oil, viscosity dependent on ambient temperature (e.g., 75W-80 or 75W-90).
Transmission Fluid Automatic:
Dexron III or equivalent automatic transmission fluid (ATF).
Length Hatchback:
Approx. 4,120 mm (162.2 in)
Length Estate:
Approx. 4,250 mm (167.3 in)
Width:
Approx. 1,650 mm (65.0 in)
Height:
Approx. 1,350 mm (53.1 in) (Hatchback), 1,380 mm (54.3 in) (Estate)
Curb Weight:
Approx. 980 kg - 1150 kg depending on engine and body style.
Safety Standards:
Designed to meet European safety standards of the era. Specific Euro NCAP ratings not available for this period.
Active Safety:
Front disc brakes, rear drum brakes (all-around disc brakes on some higher performance models), power assisted brakes.
Passive Safety:
Reinforced safety cage, impact-absorbing steering column, seatbelts. Optional driver's airbag on later models.
Infotainment Features:
Basic radio and cassette player, often with manual antenna adjustment. Dashboard layout was distinctive with thumbwheel controls and clear instrumentation.
Driver Assistance Features:
Power steering was common on higher trim levels and larger engines. ABS was available on some later or higher-spec models.
Connectivity Features:
No modern connectivity features like Bluetooth or USB.
Oil Change Interval:
Typically every 10,000 km (6,000 miles) or 12 months, whichever comes first (refer to manual for exact specifications).
Timing Belt Replacement:
Crucial for petrol engines, typically every 60,000 - 80,000 km (37,000 - 50,000 miles) or 4-5 years. Diesel engines use timing chains or belts depending on variant.
Engine Oil Specification:
API SG/SH or ACEA A2/A3, SAE 10W-40 or 15W-50 depending on climate. Check manual for specific engine requirements.
Coolant Specification:
Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Citroën recommends specific coolant types (refer to manual).
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic fluid.
Hydropneumatic Fluid:
LHM (Liquide Hydraulique Minéral) fluid is critical for the suspension system. Specific LHM Plus or equivalent required. Incorrect fluid can cause severe damage.
Common Faults Suspension:
Hydropneumatic system leaks, failing hydraulic spheres, worn suspension elastomers, pump issues.
Common Faults Engine:
Carburetor issues, ignition system problems, diesel injection pump maintenance.
Common Faults Electrical:
Wiring loom degradation, faulty switches, dashboard warning lights.
Common Faults Body:
Rust, particularly around wheel arches, sills, and tailgate; deteriorating door seals.
Citroen Design Philosophy:
Citroën is renowned for its innovative engineering, avant-garde design, and focus on ride comfort, exemplified by the BX's hydropneumatic suspension.
Bx Development:
The BX was designed by Marcello Gandini of Bertone and introduced in 1982 as a successor to the GS, featuring a more angular design and a blend of hatchback and estate practicality.
Bx Facelift:
The 1989 model year represents a facelifted version, receiving updated styling (e.g., revised bumpers, grille, and interior trim) and potential mechanical refinements.
Production Period:
1982 - 1994
Manufacturing Sites:
Primarily produced at Citroën's Rennes-la-Janais factory in France, and also under license in other countries.