🏷️ Basic Information Identification Make: BMW Model: 7 Series Model Code: E23 Year: 1986 Generation Generation Code: E23 Generation Years: 1977-1986 Codes Chassis Code: E23 👋 Introduction Market Position Vehicle Class: Full-size luxury sedan Target Audience Manual: BMW owners, independent repair shops, DIY enthusiasts Competitive Analysis Historical Competitors: Mercedes-Benz S-Class, Jaguar XJ, Cadillac Fleetwood, Lincoln Continental Key Features Vehicle Styling: Classic BMW design language, understated elegance Engineering: Focus on driving dynamics, driver comfort, and advanced engineering for its era Key Features Manual Authenticity: Factory service manual used by dealerships Usability: Single, easy-to-use PDF format; printable pages for workshop use 📋 Manual Details Coverage Areas Primary Coverage: All Models & All Repairs A-Z for 1986 BMW 7 Series (E23) Page Count Estimated Page Count: Comprehensive (Exact count not specified, but described as complete) Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine service, repair, and overhaul procedures Engine Control System: Diagnosis and repair of engine management and control systems Fuel System: Fuel delivery, injection, and carburetion service and specifications Emission Control: Diagnosis and repair of emission control systems Intake Exhaust Cooling: Service for intake manifold, exhaust system, and cooling system Lubrication System: Oil system service, lubrication specifications, and procedures Ignition Starting Charging: Service and troubleshooting for ignition, starting, and charging systems Automatic Transmission Clutch: Complete service, repair, and diagnosis for automatic transmissions and associated clutches Manual Transmission: Service and repair for manual transmissions Drivetrain Components: Service for transfer case, propeller shaft, drive shaft, differential, and axles Suspension Steering: Front and rear suspension, steering column, and power steering system service Brake System: Service, repair, and diagnosis for all brake components, including parking brake Wheel Tire Assembly: Tire and wheel service, specifications, and related components Climate Control: Air conditioning system service, diagnosis, and repair Restraint Systems: Supplemental restraint system (airbags) and seat belt service Security Systems: Engine immobilizer service Comfort Convenience: Cruise control, wiper/washer, door locks, seat systems, and related controls Interior Components: Instrument panel, meter, audio/visual systems, horn, interior trim, and seats Exterior Components: Engine hood, doors, glass, mirrors, and exterior trim service Electrical System: Comprehensive electrical diagnostics, wiring schematics, and component repair Multiplex Can Communication: Information on multiplex communication systems (early forms of data bus) Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, tune-ups Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault code interpretation Repair Rebuild: Step-by-step instructions for component repair and full system overhauls Installation: Procedures for component replacement and accessory installation Wiring Schematics: Detailed electrical wiring diagrams for all vehicle systems Technical Depth Depth Of Coverage: Factory-level detail, equivalent to dealer technician manuals; complete repair and diagnosis 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if scanned with OCR, user-friendly for specific topic access Print Quality Printability: All pages printable, allows for enlarged image printing Binding Type Binding: Digital (PDF) - no physical binding Paper Type Paper Type Equivalent: N/A (Digital format, but print quality supports workshop use) ⚙️ Engine Specifications Primary Engine Engine Options: Likely covers 733i (3.2L inline-6) and 735i (3.4L inline-6) models for 1986 Performance Horsepower 733I: Approx. 180-195 hp (depending on market/specifications) Torque 733I: Approx. 195-210 lb-ft Horsepower 735I: Approx. 182-211 hp (depending on market/specifications) Torque 735I: Approx. 214-225 lb-ft Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection Engine Construction Block Material: Aluminum Alloy Head Material: Aluminum Alloy Valvetrain: SOHC (Single Overhead Camshaft) with 2 valves per cylinder 🔧 Transmission Standard Transmission Type Standard: 4-speed automatic (e.g., ZF 4HP22) Optional Transmission Type Optional: 5-speed manual (less common, especially in North America) Features Transmission Fluid Spec: Likely Dexron III or equivalent (refer to manual for exact spec) Manual Transmission Gearing: 5-speed close-ratio for sportier feel 📐 Dimensions Exterior Wheelbase: 2,875 mm (113.2 inches) Length: 4,970 mm (195.7 inches) Width: 1,800 mm (70.9 inches) Height: 1,400 mm (55.1 inches) Weights Curb Weight Approx: 1,600 - 1,750 kg (3,527 - 3,858 lbs) depending on configuration 🛡️ Safety Features Ratings Crash Test Data: Limited standardized crash test data available for this era; built to high structural standards of its time Active Features ABS: Anti-lock Braking System (ABS) was an option or standard on higher trims/later models Traction Control: Not typically available on E23 models Passive Features Airbags: Driver airbag became available later in the E23's lifecycle, often optional for 1986 Seat Belts: 3-point front seat belts with pretensioners (often optional), 3-point rear seat belts 💡 Technology Features Infotainment Audio System: Factory AM/FM cassette stereo, often with premium sound options Display: Analog gauges, basic warning lights, and potentially a trip computer Driver Assistance Cruise Control: Standard or optional electronic cruise control Parking Assistance: None (rear parking sensors were not available) Connectivity Connectivity Features: Basic antenna for radio, no modern connectivity options like Bluetooth or USB 🔧 Maintenance Service Intervals Oil Change Interval:...