🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E28 Engine Variant: 518, 518i Generation Generation Name: Second Generation E28 Codes Model Codes: 518 (M10B18), 518i (M10B18 catalyst) 👋 Introduction Market Position Target Audience: BMW E28 owners, independent repair shops, DIY enthusiasts seeking detailed repair information. Competitive Analysis Value Proposition: Provides official factory procedures and specifications, offering a more authoritative and comprehensive resource than generic Haynes or Chilton manuals. Key Features Original Documentation: This is the complete official full factory service repair manual, ensuring accuracy and completeness. 📋 Manual Details Coverage Areas Years Covered: 1985, 1986, 1987, 1988 Page Count Estimated Pages: Hundreds (Specific count not provided but described as 'complete') Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital Download (PDF implied, printable) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, crankshaft, pistons, connecting rods, valve train, timing system, oil system, cooling system. Fuel System: Fuel injection system (L-Jetronic for 518i), fuel pump, fuel filter, fuel lines, fuel tank, throttle body. Ignition System: Ignition coil, distributor, spark plugs, ignition control module. Emission Control: Catalytic converter, oxygen sensor, EGR system (if applicable), emission control systems for specific markets. Transmission: Manual transmission (Getrag 260 commonly), clutch assembly, drivetrain components (driveshaft, differential). Suspension: Front suspension (MacPherson struts), rear suspension (semi-trailing arms), springs, shock absorbers, bushings, anti-roll bars. Steering: Steering rack, power steering system (if equipped), steering column, steering wheel. Brakes: Front disc brakes, rear drum brakes (or disc on some models/options), brake hydraulics, parking brake, ABS (if equipped). Electrical System: Battery, alternator, starter motor, lighting system, dashboard instruments, wiring diagrams, fuses, relays. Body And Chassis: Body panels, doors, windows, sunroof, interior trim, underbody, chassis components. HVAC: Heating, ventilation, and air conditioning system components and service procedures. Procedures Included Maintenance: Routine checks, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement. Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable), symptom-based troubleshooting. Repair Procedures: Step-by-step instructions for component removal, installation, overhaul, and adjustment for all major systems. Rebuilding: Detailed instructions for engine, transmission, and differential rebuilds with specifications. Diagnostics: Electrical system diagnostics, engine performance diagnostics, component testing. Specifications: Torque values, clearances, fluid capacities, technical data for all components. Technical Depth Depth Level: Comprehensive Factory Level (Covers all aspects from routine maintenance to complete overhaul). Diagrams And Illustrations: Detailed exploded views, wiring diagrams, schematic diagrams, and step-by-step illustrations. Diagnostic Charts: Includes diagnostic flowcharts and tables for systematic problem solving. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Printability: High-resolution, suitable for printing individual sections or the entire manual. Binding Type Binding Type Digital: N/A (Digital download, user bound) Paper Type Paper Type Digital: N/A (Digital format, no physical paper type) Searchability Text Search: Likely text-searchable PDF, allowing quick access to specific topics. ⚙️ Engine Specifications Primary Engine Engine Code 518: M10B18 Engine Code 518I: M10B18 (catalyst version) Engine Type: Inline 4-cylinder, SOHC Displacement Liters: 1.8 L (1766 cc) Performance Horsepower 518: Approx. 90 PS (66 kW; 89 hp) at 5500 rpm (DIN) Torque 518: Approx. 140 Nm (103 lb-ft) at 3000 rpm (DIN) Horsepower 518I: Approx. 90 PS (66 kW; 89 hp) at 5500 rpm (DIN, catalyst version might be slightly detuned depending on market) Torque 518I: Approx. 138 Nm (102 lb-ft) at 3000 rpm (DIN, catalyst version) Fuel System Fuel Delivery 518: Carburetor (e.g., Solex 31 PICT-4 or similar) Fuel Delivery 518I: Bosch L-Jetronic Fuel Injection Fuel Type: Unleaded Gasoline (Octane rating as per manufacturer recommendation) Cooling System Cooling Type: Water-cooled 🔧 Transmission Standard Transmission Type Standard: 4-speed Manual (common for 518) Optional Transmission Type Optional: 5-speed Manual (Getrag 260), 3-speed Automatic (ZF 3HP22 common) Features Clutch Type: Dry single-plate clutch Rear Axle Ratio: Varies by transmission and market, typically around 3.64:1 for manual transmissions. 📐 Dimensions Exterior Length Mm: 4620 mm (181.9 in) Width Mm: 1700 mm (66.9 in) Height Mm: 1415 mm (55.7 in) Wheelbase Mm: 2700 mm (106.3 in) Weights Curb Weight Kg Approx: 1250 - 1350 kg (2755 - 2976 lbs) depending on equipment 🛡️ Safety Features Ratings Safety Ratings Era: E28 generation predates standardized crash testing regimes like Euro NCAP and IIHS as known today. However, BMW's 'Safety Era' principles applied. Active Features ABS Availability: Optional on some models, may not be standard on 518/518i variants. Passive Features Seatbelts: Standard 3-point front seatbelts, 2-point rear seatbelts (3-point optional/later models). Crumple Zones: Designed with front and rear crumple zones for energy absorption. Steering Column: Collapsible steering column for improved driver protection in frontal impacts. 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio and cassette player, often with optional premium sound systems. Limited digital integration compared to modern vehicles. Driver Assistance Driver Assistance Features: ABS was optional; no modern driver assistance systems like lane keeping...