🏷️ Basic Information Identification Make: BMW Model: 8 Series Chassis Code: E31 Model Year: 1990 Generation Generation Name: First Generation E31 Codes Product Type: Service and Repair Manual 👋 Introduction Market Position Positioning: Premium Grand Tourer (GT) automobile. Competitive Analysis Key Competitors: Mercedes-Benz SEC, Porsche 928. Key Features Design Philosophy: Elegant styling, powerful engines, refined driving experience. Target Audience: Affluent buyers seeking a luxurious and high-performance coupe. 📋 Manual Details Coverage Areas Models Covered: All BMW 8 Series (E31) models for 1990 Repairs Covered: All repairs A-Z Page Count Page Count: Not specified, but described as comprehensive. Manual Type Manual Type: Factory Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Maintenance: Full coverage of all engine maintenance procedures. Engine Repair: Detailed step-by-step instructions for engine repairs. Control Systems: Coverage of engine and vehicle control systems. Mechanical Systems: In-depth coverage of all mechanical components. Fuel System: Fuel service specifications and repair procedures. Emission Control: Detailed information on emission control systems. Cooling System: Service and repair for the cooling system. Lubrication System: Lubrication specifications and procedures. Ignition System: Ignition system diagnosis and repair. Starting Charging System: Service for starting and charging circuits. Automatic Transmission: Complete service and repair for automatic transmissions. Clutch System: Clutch service and repair information. Manual Transmission: Service and repair for manual transmissions. Drivetrain: Transfer case, propeller shaft, drive shafts, and differential service. Suspension System: Axle and suspension system repair and specifications. Wheel Tire System: Tire and wheel specifications and service. Brake Control System: Brake control system diagnosis and repair. Brake System: Comprehensive brake system service and repair. Parking Brake: Parking brake system service and adjustment. Steering System: Steering column and power steering system repair. Air Conditioning: Air conditioning system service and repair. Restraint Systems: Supplemental restraint system (SRS) and seat belt service. Security Systems: Engine immobilizer and door lock system information. Cruise Control: Cruise control system diagnosis and repair. Wipers Washers: Wiper and washer system service. Instrumentation: Instrument panel, meter, and audio/visual system coverage. Exterior Interior: Exterior and interior trim, door, and engine hood service. Glass Mirrors: Windshield, glass, and mirror service. Electrical System: Comprehensive electrical system diagrams and troubleshooting. Multiplex Can Communication: Information on multiplex and CAN communication systems. Procedures Included Diagnostic Procedures: Detailed diagnostic procedures for all systems. Troubleshooting Guides: Extensive troubleshooting guides for common and complex issues. Repair Instructions: Step-by-step repair instructions for all components. Maintenance Procedures: Routine maintenance tasks and schedules. Component Replacement: Instructions for replacing major and minor components. Wiring Schematics: Complete and detailed wiring schematics included. Technical Depth Technical Level: Factory-level technical detail, suitable for professional technicians and advanced DIYers. Diagrams Illustrations: Includes diagrams, illustrations, and schematics for clarity. Data Specifications: Provides all necessary specifications for accurate repair and maintenance. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF for easy information retrieval. Print Quality Printable: Yes, all pages are printable. Enlargement: Images can be blown up and printed in enlarged copies. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) Compatibility Operating Systems: Windows (Vista32/64, XP, ME, 98, NT, 2000) and Mac compatible. Software Requirements: Adobe PDF Reader and Winzip (free online). ⚙️ Engine Specifications Primary Engine Engine Code 1990: M60B30 (V8, 3.0L), M60B40 (V8, 4.0L) Engine Type: V8 (90-degree) Performance Horsepower 3.0L: Approx. 218 hp (163 kW) Torque 3.0L: Approx. 290 Nm (214 lb-ft) Horsepower 4.0L: Approx. 286 hp (213 kW) Torque 4.0L: Approx. 400 Nm (295 lb-ft) Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection. Fuel Type: Premium Unleaded Gasoline 🔧 Transmission Standard Standard Transmission Type: 4-speed automatic (Steptronic in later models, but likely conventional auto for 1990) Optional Optional Transmission Type: 6-speed manual (Limited availability, especially for 1990 model year) Features Transmission Control: Electronic control for automatic transmissions. 📐 Dimensions Exterior Length: Approx. 4,710 mm (185.4 in) Width: Approx. 1,855 mm (73.0 in) Height: Approx. 1,370 mm (53.9 in) Weights Curb Weight Approx: 1,700 - 1,800 kg (3,748 - 3,968 lbs) 🛡️ Safety Features Ratings Safety Standards: Designed to meet contemporary safety standards for premium vehicles. Active Features ABS: Standard Anti-lock Braking System (ABS). Passive Features Airbags: Driver and passenger airbags (standard for 1990). Seat Belts: Pre-tensioned front seat belts. 💡 Technology Features Infotainment Infotainment System 1990: Basic audio system with radio and cassette player. Optional CD player. Manual climate control or early automatic climate control. Driver Assistance Traction Control: Traction Control System (ASC) available on some models. Connectivity Connectivity Features: Limited by 1990 standards; primarily focused on vehicle systems and basic audio/climate control. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 - 10,000 miles or as indicated by the Condition Based Service (CBS) system (may vary slightly in early models). Spark Plug Replacement: Dependent on engine and plug type; consult manual for specific intervals...