🏷️ Basic Information Identification Make: BMW Model: 5 Series Generation Chassis Code: E28, E34 Codes Applicable Years: 1981-1991 👋 Introduction Market Position Positioning: Premium executive sedan, known for engineering, performance, and luxury Competitive Analysis Competitors: Mercedes-Benz W124 E-Class, Audi V8 (D1), Jaguar XJ, Volvo 700 Series Key Features Design: Iconic BMW styling, refined interior appointments, excellent build quality Performance: Excellent handling, powerful inline-six engines, rear-wheel drive dynamics Manual Value Proposition Benefit: Empowers owners and technicians to perform repairs and maintenance efficiently and accurately 📋 Manual Details Coverage Areas Engine Types: M10, M20, M30, M40, M50, M52 (petrol), M21 (diesel) Transmission Types: 4-speed automatic, 5-speed manual Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, camshaft, timing systems, lubrication, cooling Fuel System: Fuel injection (Bosch Motronic, L-Jetronic), fuel pump, injectors, fuel lines, tank Ignition System: Ignition coils, spark plugs, distributors (where applicable), ignition control modules Transmission Manual: Clutch, gearbox internals, shift linkages, torque specifications Transmission Automatic: Gearbox internals, valve body, torque converter, transmission control module (where applicable) Drivetrain: Driveshafts, differential, wheel bearings Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings Steering: Steering rack, power steering pump, steering column, tie rods Brakes: Brake calipers, rotors, pads, master cylinder, ABS system (where applicable), brake lines Electrical System: Battery, alternator, starter, wiring diagrams, fuses, relays, lighting, instrumentation Body And Chassis: Body panels, doors, windows, bumpers, chassis structure, corrosion protection HVAC: Heating, ventilation, air conditioning system components and service Interior: Seats, dashboard, trim panels, soundproofing Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, fluid checks and top-offs, belt replacement Troubleshooting: Diagnostic procedures for common problems, fault code interpretation (where applicable) Repair: Component removal, installation, and adjustment for all major systems Rebuilds: Detailed engine and transmission rebuild procedures Wiring Diagrams: Comprehensive electrical system wiring diagrams for all models and options Technical Depth Depth: Full workshop level, covering basic maintenance to complete engine and transmission overhauls Diagnostic Procedures: Detailed diagnostic flowcharts and explanations for system faults Torque Specifications: Precise torque values for all fasteners and critical components 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Print Readability: High-resolution scans suitable for printing Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine E28 Common Engines: 2.0L M10 (520i), 2.5L M20 (525i), 2.7L M30 (528i), 3.4L M30 (535i), 2.4L M21 Turbodiesel (524td) E34 Common Engines: 2.0L M20 (520i), 2.5L M20 (525i), 3.0L M30 (530i), 3.4L M30 (535i), 2.5L M50 (525i), 3.0L M50 (530i), 3.0L M52 (530i), 3.5L M30 (M535i), 3.6L M88/S38 (M5) Performance E28 535I Hp: 182 hp @ 5400 rpm E28 535I Torque: 214 lb-ft @ 4000 rpm E34 535I Hp: 208 hp @ 5700 rpm E34 535I Torque: 225 lb-ft @ 4000 rpm E34 M5 Hp: 310 hp @ 6900 rpm E34 M5 Torque: 266 lb-ft @ 4750 rpm Fuel System Injection Type: Electronic Fuel Injection (EFI), Bosch Motronic variants Fuel Type: Unleaded gasoline (Premium recommended), Diesel for td models 🔧 Transmission Standard E28 Standard: 4-speed automatic (e.g., ZF 4HP22) E34 Standard: 5-speed manual (e.g., Getrag 260) Optional E28 Optional: 5-speed manual (e.g., Getrag 260) E34 Optional: 4-speed automatic (e.g., ZF 4HP22), 5-speed automatic (e.g., ZF 5HP18, 5HP30) Features Features: Rear-wheel drive, limited-slip differential available on select models 📐 Dimensions Exterior E28 Wheelbase: 2794 mm (110 in) E34 Wheelbase: 2761 mm (108.7 in) for standard wheelbase, 2898 mm (113.7 in) for long wheelbase Weights E28 Curb Weight: 1400-1600 kg (3086-3527 lbs) depending on engine and options E34 Curb Weight: 1500-1700 kg (3307-3748 lbs) depending on engine and options 🛡️ Safety Features Ratings E28 Safety Features: Reinforced safety cage, crumple zones, optional ABS E34 Safety Features: Advanced crumple zones, optional driver-side airbag, optional ABS, optional traction control (ASC) Passive Features Passive Safety: Seat belts, padded interior surfaces, energy-absorbing steering column 💡 Technology Features Infotainment Infotainment Systems: Early models featured basic radio/cassette players. Later E34 models offered more advanced sound systems, optional CD changers, and early forms of trip computers. Driver Assistance Assistance Features: Anti-lock Braking System (ABS) became widely available, Traction Control System (ASC/ASC+T) introduced on later E34 models. Connectivity Connectivity Options: Limited by era; basic diagnostic port for engine management systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, refer to manual for specific recommendations. Timing Belt Interval: Not applicable for most E28/E34 engines (chain-driven camshafts), except for some early M40 variants which may have belts. Fluid Specifications Engine Oil: API SJ/SL or ACEA A3/B3, viscosity 5W-40 or 10W-40 recommended (consult manual for exact specs per engine). Coolant: BMW Blue Antifreeze/Coolant or equivalent (50/50 mix with distilled water) Brake Fluid: DOT 4 Transmission Fluid Manual: GL-4...