🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E34 Model Year: 1990 Generation Generation Code: E34 Generation Years: 1988-1996 Codes Body Styles Covered: Sedan (4-door), Touring (5-door wagon) 👋 Introduction Market Position Target Audience: BMW 5 Series E34 owners, DIY enthusiasts, independent repair shops Value Proposition: Provides professional-level repair and maintenance knowledge, enabling significant savings on labor costs ($50-$60/hour) Competitive Analysis Authenticity: Actual genuine factory repair manuals, not third-party publications Key Features Searchability: Search function for quick information retrieval Usability: Easy to use, no advanced computer skills required for viewing and printing Content Organization: Numbered table of contents for fast information access Completeness: Covers all aspects of repair and maintenance for the specified model year 📋 Manual Details Coverage Areas Primary Coverage: Complete factory service and repair Specific Models Covered: All E34 5 Series variants for 1990 model year Page Count Estimated Page Count: Hundreds of pages (exact count not specified, but described as 'complete') Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine service, repair, rebuilding, tuning Engine Management: Engine Control System (DME/ECU), Fuel Injection, Emission System Transmission: Transmission service and repair (manual and automatic) Drivetrain: Differential, Axle, Drive components Brakes: Brake System service and repair Suspension: Suspension system diagnosis and repair Steering: Steering system service and repair Cooling: Cooling System maintenance and repair Fuel System: Fuel Injection, Fuel System service and repair Electrical: Electrical System diagnosis and repair, Wiring Diagrams HVAC: Heater and Air Conditioning system service Body Chassis: Chassis and Body repair, Interior components Safety Restraint: Restraint System (e.g., airbags, seatbelts) information Procedures Included Maintenance: General Maintenance, Periodic Lubrication, Scheduled Service Troubleshooting: Troubleshooting, Diagnostic Procedures, Fault Finding Repair Rebuild: Step-by-step repair and rebuilding procedures for all covered systems Diagnostics: Advanced troubleshooting guide for problem diagnosis Technical Depth Depth: Comprehensive factory-level detail, suitable for professional technicians and knowledgeable owners Instruction Style: Step-by-step instructions with detailed substeps, notes, cautions, and warnings Visual Aids: Includes illustrations, diagrams, photos, and enlarged inset views for clarity 📊 Manual Specifications File Format Format: PDF Compatibility: All PC-based Windows operating systems and Mac Print Quality Printability: Printable without restriction (full manual or selected pages) Resolution: High resolution Binding Type Binding: N/A (Digital download, printable) Paper Type Paper Type: N/A (Digital download, printable) Delivery Delivery Method: Instant download link after payment Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Options 1990: Likely includes M20 (520i) and M30 (525i, 530i, 535i) inline-6 engines. M50 inline-6 may have been introduced for some models. Specific engine variants would depend on market. The manual is expected to cover these. Engine Displacement Examples: 2.0L (M20B20), 2.5L (M20B25 / M50B25), 3.0L (M30B30), 3.5L (M30B35) Performance Horsepower Torque Examples: Varies by engine. e.g., 525i (M20) approx. 170 hp, 535i (M30) approx. 211 hp. Manual will provide exact specifications. Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection (EFI) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Transmission Options: 5-speed manual transmission, 4-speed automatic transmission (e.g., ZF 4HP22) Optional Transmission Features: Some later E34 models and sport variants may have had different automatic transmission options. The manual will specify. Features Transmission Fluid Type: Varies by transmission type (e.g., Dexron III for automatic). Manual will specify exact BMW part numbers and specifications. 📐 Dimensions Exterior Wheelbase: Approx. 2794 mm (110 inches) Length: Approx. 4734 mm (186.4 inches) for Sedan Width: Approx. 1751 mm (68.9 inches) Height: Approx. 1410 mm (55.5 inches) for Sedan Weights Curb Weight: Varies by model, typically between 1500-1650 kg (3300-3650 lbs) Gross Vehicle Weight Rating: Specified in manual, varies by model and equipment 🛡️ Safety Features Ratings Safety Standard: E34 was designed to meet European safety standards of the late 1980s/early 1990s. Specific US NHTSA/IIHS ratings for 1990 may not be readily available but are implied by factory design. Active Features Active Safety Systems: Anti-lock Braking System (ABS) standard on most models, optional on some. Passive Features Passive Safety Features: Crumple zones, reinforced passenger cell, driver airbag (optional on some models), seatbelt pre-tensioners. 💡 Technology Features Infotainment Audio System: Factory radio/cassette or CD player options, often with premium sound system options (e.g., Blaupunkt, Harman Kardon). Navigation: Early GPS navigation systems were optional on later E34 models, but unlikely to be standard or widely available on a 1990 model. Driver Assistance Cruise Control: Optional Traction Control: Optional on some models (ASC/ASC+T) Connectivity Connectivity Features: Limited to basic audio connectivity. No modern Bluetooth or USB connectivity from factory. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 miles or 1 year. Manual will provide specific recommendations based on driving conditions. Brake Fluid Flush: Every 2 years (standard for most European manufacturers) Coolant Change: Every 2-3 years or specified mileage Fluid Specifications Engine Oil Type: Synthetic or semi-synthetic oils, e.g., BMW Longlife-98 or Longlife-01 specifications...