🏷️ Basic Information Identification Make: BMW Model: 5-Series Chassis Code: E28 Product Name: 1981-1998 BMW 5-Series E28 Workshop Repair & Service Manual 👋 Introduction Market Position E28 Market Segment: Executive/Luxury Sedan segment, known for sporty handling and build quality. Competitive Analysis Competitors Of The Era: Mercedes-Benz W124 E-Class, Audi 100/200, Volvo 240/740, Jaguar XJ, and American luxury sedans like Cadillac DeVille and Lincoln Town Car. Key Features Design Philosophy: A blend of luxury, performance, and driver-centric ergonomics, continuing BMW's 'Ultimate Driving Machine' ethos. Manual Advantage: Provides essential technical data and repair procedures for a classic European vehicle, enabling owners to maintain its performance and longevity. 📋 Manual Details Coverage Areas Vehicle Production Years Covered: 1981-1998 Specific Models Covered: 518, 518i, 520i, 520e, 524td, 525i, 528i, 535i Page Count Estimated Page Count: Extensive (typically 1000+ pages for comprehensive workshop manuals) Manual Type Manual Type: Workshop Repair & Service Manual Language Language: German Format Format: Digital (likely PDF or similar electronic format) 📖 Manual Coverage Systems Covered Engine Mechanical: Full engine overhaul, timing, valve train, cooling system, lubrication, fuel injection (Bosch L-Jetronic, Motronic), carburetors (where applicable), emissions control. Engine Electrical: Ignition system, starting system, charging system (alternator), engine control unit (ECU) diagnostics and component testing. Transmission Manual: Clutch system, gearbox overhaul, shift linkage, torque specifications, fluid types. Transmission Automatic: Automatic gearbox overhaul (ZF 4HP series), hydraulic control, valve body, torque converter, cooling, fluid specifications, electronic control (where applicable). Drivetrain: Driveshafts, differential, rear axle, wheel bearings, seals. Suspension: Front and rear suspension components (struts, control arms, bushings, anti-roll bars), geometry settings, shock absorber replacement. Steering: Power steering system, steering rack, tie rods, steering column, alignment specifications. Brakes: Front and rear brake systems (disc brakes, calipers, pads, rotors), hydraulic system, ABS (where equipped), parking brake, bleeding procedures, fluid specifications (DOT 3/4). Electrical System Body: Lighting systems (headlights, taillights, interior), wiring diagrams, fuse box locations, relays, horns, wipers, washers, power windows, central locking. Climate Control: Heating system, ventilation, air conditioning (A/C) system diagnosis and repair, refrigerant types, component replacement. Body And Chassis: Body panel removal and installation, door mechanisms, glass replacement, sealing, rust prevention, chassis components. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, coolant checks, belt inspections and replacement, brake fluid flush, transmission fluid change. Diagnostic Procedures: Troubleshooting guides for common problems, symptom-based diagnostics, electrical system testing, engine performance checks. Repair Procedures: Step-by-step instructions for component removal, installation, and adjustment for all major vehicle systems. Overhaul Procedures: Detailed instructions for complete engine rebuilds, transmission overhauls, and differential rebuilds. Wiring Diagrams: Comprehensive electrical schematics for all vehicle circuits, color-coded for clarity. Torque Specifications: Precise torque values for all critical fasteners throughout the vehicle. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Diagnostic Tools: Information on diagnostic procedures and potential use of early electronic diagnostic tools (though advanced OBD-II is not applicable to this era). 📊 Manual Specifications File Format Digital Format: PDF (most probable), DjVu, or similar electronic format. Searchability: Likely text-searchable if the original was scanned with OCR. Print Quality Image Quality: Dependent on the original source and scanning quality, but expected to be clear enough for diagrams and text. Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Variants: M10 (4-cylinder, 1.8L), M20 (6-cylinder, 2.0L, 2.5L, 2.7L eta), M30 (6-cylinder, 3.5L), M21 (Diesel, 2.4L turbodiesel). Performance 535I Power Output: Approx. 211 hp (DIN) @ 5500 rpm for the M30B34 engine. 524Td Power Output: Approx. 115 hp (DIN) @ 4800 rpm for the M21D24 engine. Fuel System Injection Systems: Bosch L-Jetronic, K-Jetronic, Motronic (electronic fuel injection and ignition control) depending on the model and year. Fuel Type: Unleaded gasoline (Octane rating typically 95 RON or higher for performance models), Diesel for 524td. Engine Codes Examples M20B25 Code: M20B25 (2.5L inline-six) M30B35 Code: M30B35 (3.5L inline-six) 🔧 Transmission Standard Standard Transmission Type: Getrag 5-speed manual transmission (e.g., Getrag 265) for most models. Optional Optional Transmission Type: ZF 4-speed automatic transmission (e.g., ZF 4HP22). Features Clutch Type: Hydraulically operated single-plate dry clutch. Fluid Specs Manual Transmission Fluid: GL-4 specification gear oil (e.g., 75W-90 or 80W-90). Automatic Transmission Fluid: Dexron III/Mercon specification ATF. 📐 Dimensions Exterior Wheelbase: Approx. 2770 mm (109.1 inches) Length: Approx. 4755 - 4800 mm (187.2 - 189.0 inches) depending on model. Width: Approx. 1700 mm (66.9 inches) Height: Approx. 1410 - 1430 mm (55.5 - 56.3 inches) depending on model. Weights Curb Weight Range: Approx. 1400 - 1600 kg (3086 - 3527 lbs) depending on engine and options. 🛡️ Safety Features Ratings Crash Test Era Availability: Limited standardized crash testing data available for this era compared to modern standards. BMW's focus was on passive safety features. Active Features ABS Availability: Optional on many models, standard on later high-performance variants. Anti-lock Braking System (ABS)....