🏷️ Basic Information Identification Make: BMW Model: 7 Series Model Code: E32 Model Year: 1990 👋 Introduction Market Position Positioning: The E32 7 Series was BMW's flagship luxury sedan, competing with Mercedes-Benz S-Class and other high-end executive cars. This manual reflects that premium positioning with detailed technical information. Competitive Analysis Context: This manual provides factory-level information crucial for maintaining the complex engineering of the E32, often exceeding the detail found in aftermarket 'chilton' or 'haynes' style guides for luxury vehicles. Key Features Features: Vehicle-specific data (not generic), detailed diagrams, diagnostic procedures, wiring schematics, and torque specifications, directly from BMW's engineering documentation. 📋 Manual Details Coverage Areas Models Covered: All E32 7 Series models produced for 1990 Page Count Estimated Page Count: 700-1000+ (typical for comprehensive factory service manuals) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: Printed (as implied by dealership use) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnosis, tuning, fuel injection systems (Bosch Motronic), emission controls. Transmission: Manual and Automatic Transmission (e.g., Getrag 5-speed, ZF 4HP22) repair, overhaul, diagnosis, fluid specifications. Drivetrain: Rear-wheel drive system, differential, driveshafts, CV joints. Suspension: Front and rear suspension systems, shock absorbers, springs, control arms, bushings, steering system components. Brakes: Hydraulic brake system, ABS (Anti-lock Braking System) diagnosis and repair, brake pads, rotors, calipers, brake lines, master cylinder. Electrical System: Complete electrical schematics, wiring diagrams, battery, alternator, starter, lighting systems, fuse/relay identification and testing. Climate Control: Air conditioning (A/C) system diagnosis and repair, heating system, blower motor, controls. Body And Chassis: Body panel removal/installation, door mechanisms, hinges, locks, glass, interior trim, chassis lubrication. Fuel System: Fuel pump, fuel injectors, fuel filter replacement, fuel tank servicing. Exhaust System: Exhaust manifold, catalytic converter, muffler, exhaust pipes. Cooling System: Radiator, water pump, thermostat, coolant hoses, fan operation. Steering System: Power steering system, steering rack, steering column, steering linkage. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks and replacements. Troubleshooting: Diagnostic procedures, fault finding for all major systems, symptom-based troubleshooting guides. Repair: Step-by-step repair procedures for components and systems, including engine rebuilds, transmission overhauls, electrical component replacement. Diagnostics: Detailed diagnostic steps for engine performance issues, electrical faults, ABS system malfunctions, and climate control problems. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, detailed electrical diagnostics, and chassis repair. 📊 Manual Specifications File Format Format: Likely a printed manual; digital format (PDF) would be a reproduction. Print Quality Quality: High-quality paper and printing, designed for durability in a workshop environment. Binding Type Binding: Likely hardcover or heavy-duty spiral-bound for lay-flat usability. Paper Type Paper: Durable, often coated paper stock to resist grease and dirt. ⚙️ Engine Specifications Primary Engine Engine Options: Likely covers the M30 inline-six engines (e.g., 730i, 735i) and potentially the M60 V8 engines (e.g., 740i) if introduced in early 1990 models for certain markets. Performance M30 Engine Displacement: 3.0L (M30B30) and 3.5L (M30B35) M30 Horsepower Typical: Approx. 184-211 hp (depending on variant) M30 Torque Typical: Approx. 200-230 lb-ft (depending on variant) Fuel System Injection System: Bosch Motronic electronic fuel injection and ignition management Engine Design Cylinder Configuration: Inline-6 (M30) or V8 (M60) Engine Components Valvetrain: SOHC (M30) or DOHC (M60) 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission (e.g., Getrag 260/5 for some models) Optional Optional Transmission: 4-speed Automatic Transmission (e.g., ZF 4HP22 EH) Features Transmission Control: Electronic control for automatic transmissions (EH models), hydraulic control for manual. Fluid Specifications Automatic Transmission Fluid: BMW ATF Dexron-II or equivalent (specific type critical for EH transmission) 📐 Dimensions Exterior Wheelbase: Approx. 117.4 inches (2982 mm) Length: Approx. 198.6 inches (5045 mm) Width: Approx. 71.7 inches (1821 mm) Height: Approx. 55.4 inches (1407 mm) Weights Curb Weight: Approx. 3800-4200 lbs (1724-1905 kg) depending on engine and options Gross Vehicle Weight Rating: Approx. 5000-5300 lbs (2268-2404 kg) Wheels And Tires Wheel Bolt Pattern: 5x120 mm Standard Tire Size: Typically 205/65VR15 or 225/60VR15 🛡️ Safety Features Ratings Crash Test Data: While official NHTSA/IIHS ratings for this era are less comprehensive, the E32 was engineered with a robust safety cage and significant structural integrity. Active Features ABS: Standard Bosch ABS system (Anti-lock Braking System) Passive Features Airbags: Driver-side airbag was optional or standard on later models of the E32 series, passenger airbag less common for 1990. Seatbelts: Front and rear 3-point seat belts Chassis Design: Crumple zones, reinforced safety cage construction. 💡 Technology Features Infotainment Audio System: Premium audio systems, often with cassette tape player and possibly an early CD changer option. Climate Control: Automatic climate control with multi-zone capabilities was a hallmark. Driver Assistance Cruise Control: Electronic cruise control. Onboard Computer: Early form of onboard computer for trip data and basic vehicle status checks. Connectivity Exterior Features: Power-adjustable side mirrors, heated mirrors, headlight washers/wipers were available. Interior Features Seating: Power-adjustable front seats...