🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E34 Model Year: 1990 Codes Product Code: BMW E34 1990 Service Repair Workshop Manual 👋 Introduction Market Position Market Segment: Executive sedan Positioning: Known for its driving dynamics, build quality, and technological advancements of its era. Competitive Analysis Competitors: Mercedes-Benz W124 E-Class, Audi 100/200, Jaguar XJ, Lexus LS400 Key Features Design Philosophy: A blend of BMW's signature sporting character with enhanced comfort and luxury for a mid-size executive car. Engineering Focus: Driver-centric engineering, robust powertrains, and sophisticated chassis. 📋 Manual Details Coverage Areas Coverage: Full service and repair instruction Page Count Page Count: Unknown (implied comprehensive) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: Unknown (likely printed or PDF) 📖 Manual Coverage Systems Covered Engine: Diagnosis, repair, overhaul, tuning for all E34 engines Fuel System: Fuel injection (Motronic), fuel pumps, injectors, lines, tank Ignition System: Electronic ignition, coil packs, spark plugs, sensors Cooling System: Radiator, water pump, thermostat, hoses, fan clutch Exhaust System: Manifolds, catalytic converter, mufflers, pipes Transmission: Manual and automatic transmission service, overhaul, fluid changes Drivetrain: Driveshaft, CV joints, differential, axles Suspension: Front and rear suspension components, shock absorbers, springs, bushings Steering: Steering rack, power steering pump, steering column, linkages Brakes: Hydraulic system, ABS, calipers, rotors, pads, lines, master cylinder Electrical System: Wiring diagrams, battery, alternator, starter, fuses, relays, lighting Climate Control: HVAC system, A/C compressor, refrigerant, heater core, blower motor Body: Body panels, doors, windows, trim, locks, hinges, body repair Interior: Seats, dashboard, trim panels, instruments, controls Diagnosis: Troubleshooting guides, fault codes, diagnostic procedures Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, tune-ups Component Removal Installation: Step-by-step guides for all major components Rebuilding Overhaul: Detailed instructions for engine, transmission, and differential rebuilds Troubleshooting: Systematic approaches to diagnose and fix common and uncommon problems Calibration Adjustment: Adjustments for engine timing, idle speed, etc. Technical Depth Depth: Comprehensive (from basic maintenance to full engine/transmission rebuilds) Diagnostic Capability: Advanced diagnostic procedures and troubleshooting trees Repair Specificity: Detailed specifications and torque values for all fasteners and components 📊 Manual Specifications File Format File Format: Likely PDF or physical print Print Quality Print Quality: Professional quality expected for workshop manuals Binding Type Binding Type: If printed: Professional binding (spiral or perfect bound) Paper Type Paper Type: If printed: Durable paper suitable for workshop environments ⚙️ Engine Specifications Primary Engine Engine Code Example: M30B35 (3.5L Inline-6) Engine Type Example: Naturally Aspirated Inline-6 Cylinder Performance Horsepower Example: Approx. 208-211 hp (for M30B35) Torque Example: Approx. 225-232 lb-ft (for M30B35) Fuel System Fuel Injection: Bosch Motronic (various versions depending on engine) Recommended Fuel: Unleaded gasoline, 91 octane or higher 🔧 Transmission Standard Transmission Type: 5-speed manual transmission (Getrag 260/5) Optional Transmission Type: 4-speed automatic transmission (ZF 4HP22) Features Transmission Fluid Type: Dexron III ATF for automatic; Gear oil for manual (specifics in manual) 📐 Dimensions Exterior Wheelbase: Approx. 111.7 inches (2837 mm) Length: Approx. 191.7 inches (4870 mm) Width: Approx. 70.2 inches (1783 mm) Height: Approx. 55.7 inches (1415 mm) Weights Curb Weight: Approx. 3,400 - 3,700 lbs (1542 - 1678 kg), varies by engine and options Gross Vehicle Weight Rating: Varies by model, typically around 4,500 lbs (2041 kg) 🛡️ Safety Features Ratings NHTSA Rating: Not explicitly rated by NHTSA for 1990 models as per modern standards. Active Features ABS: Standard on most models, optional on earlier E34s. Traction Control: Optional (ASC/ASC+T) on some models. Passive Features Airbags: Driver's side airbag standard on 1990 models. Seatbelts: Front and rear seat belts. Crumple Zones: Designed with front and rear crumple zones for impact absorption. 💡 Technology Features Infotainment Radio: Factory AM/FM stereo with cassette player, optional CD player available. Speakers: Typically 6-10 speakers, depending on trim level. Driver Assistance Cruise Control: Standard on most models. Onboard Computer: Optional 'Check Control' system for monitoring vehicle status. Connectivity Phone Integration: No integrated smartphone connectivity; optional dealer-installed car phone systems may exist. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000-7,500 miles or 12 months, whichever comes first (consult manual for specific engine). Coolant Flush Interval: Every 2 years or 30,000 miles. Spark Plug Replacement: 100,000 miles for platinum plugs, sooner for standard. Fluid Specifications Engine Oil Type: BMW Longlife-98 or equivalent synthetic oil (e.g., 5W-30, 5W-40, 10W-40 depending on climate and engine). Coolant Type: BMW Blue coolant or equivalent ethylene glycol based coolant with corrosion inhibitors. Brake Fluid Type: DOT 4 brake fluid. Known Issues Oil Leaks: Common from valve cover gaskets, oil pan gaskets, and rear main seals. Cooling System: Plastic coolant expansion tanks can become brittle and crack. Suspension Bushings: Worn control arm bushings and rear trailing arm bushings are common. Fuel Pump: Can become noisy or fail over time. ABS Module: ABS warning lights can indicate a failing ABS module or wheel speed sensor. 📚 Vehicle...