🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Variant: 518 / 518i Model Chassis Code: E28 Production Years Covered: 1985, 1986, 1987, 1988 Engine Code Coverage: M10 (specific variants for 518/518i) 👋 Introduction Market Position Market Segment: Executive Sedan, Luxury Mid-size Sedan Competitive Analysis Key Competitors Era: Mercedes-Benz W124 E-Class, Audi 100/200, Volvo 240/740, Jaguar XJ6 (Series III). Key Features Bmw Brand Philosophy: 'The Ultimate Driving Machine' ethos focused on performance, handling, and driver engagement. Model Focus: The 518 and 518i represented the entry-level variants of the E28 5 Series, offering BMW's renowned engineering and build quality at a more accessible price point, particularly appealing in markets sensitive to engine displacement and fuel economy. 📋 Manual Details Coverage Areas Systems Covered: Engine mechanicals, fuel system, ignition system, cooling system, exhaust system, clutch, transmission, driveshaft, differential, rear axle, suspension (front and rear), steering, brakes (front and rear), electrical system (including wiring diagrams), bodywork, interior, climate control, troubleshooting, maintenance, specifications. Page Count Estimated Page Count: 500+ Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul procedures, cylinder head, block, crankshaft, connecting rods, pistons, camshaft, timing chain/belt, valve train. Fuel System: Fuel pump, fuel injectors (for 'i' models), carburetor (for non-'i' models), fuel lines, fuel tank, fuel pressure regulation, testing and diagnosis. Ignition System: Spark plugs, ignition coils, distributor (if applicable), ignition control module, timing, troubleshooting. Cooling System: Radiator, water pump, thermostat, coolant hoses, fan, diagnosis of leaks and overheating. Exhaust System: Exhaust manifold, catalytic converter (if applicable), muffler, pipes, hangers, gaskets. Drivetrain Manual: Clutch assembly, flywheel, clutch hydraulics, transmission (gearbox) removal/installation, internal component overhaul, driveshaft, universal joints, differential, rear axle assembly. Suspension Steering: Front suspension (struts, control arms, ball joints, bushings), rear suspension (semi-trailing arms, bushings, shock absorbers), wheel alignment specifications, steering rack, power steering system (pump, hoses, fluid), tie rods, steering linkage. Brakes: Front disc brakes, rear drum brakes (or discs depending on specific variant), brake pads, rotors, calipers, wheel cylinders, brake lines, master cylinder, brake booster, parking brake system, bleeding procedure, troubleshooting. Electrical System: Battery, alternator, starter motor, lighting system, fuses, relays, wiring diagrams for all circuits, instrument cluster, sensors, ECU (for 'i' models), troubleshooting electrical faults. Body Chassis: Body panel removal/installation, doors, hood, trunk lid, bumpers, glass replacement, interior trim, rust prevention and repair. Procedures Included Preventative Maintenance: Oil changes, filter replacements, fluid checks and top-offs, lubrication points, belt inspection and replacement, spark plug replacement, brake inspection. Troubleshooting: Diagnostic guides for common problems, symptom-based troubleshooting charts, fault code interpretation (where applicable). Repair Procedures: Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation. Diagnostics: Methods for diagnosing engine performance, electrical system faults, suspension issues, and brake system problems. Technical Depth Depth Of Coverage: Comprehensive (covers basic maintenance to complete engine and transmission rebuilds, including detailed wiring diagrams and specifications). 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing individual pages or the entire manual. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Searchability Searchable Text: Yes ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC (M10 engine family) Engine Type Engine Displacement: 1.8 Liters (1766 cc) Performance Horsepower 518: Approx. 90 hp @ 5500 rpm (carbureted version) Torque 518: Approx. 135 Nm (99 lb-ft) @ 3000 rpm (carbureted version) Horsepower 518I: Approx. 105 hp @ 5800 rpm (Bosch L-Jetronic fuel injection) Torque 518I: Approx. 145 Nm (107 lb-ft) @ 3500 rpm (Bosch L-Jetronic fuel injection) Fuel System Fuel System 518: Single Downdraft Carburetor (e.g., Solex, Pierburg) Fuel System 518I: Bosch L-Jetronic Electronic Fuel Injection (EFI) Fuel Type Recommended Fuel: Unleaded gasoline (Octane rating as per manual, typically 91 or higher) Engine Construction Block Material: Cast Iron Head Material: Aluminum Alloy 🔧 Transmission Standard Standard Transmission: 4-speed Manual Transmission Optional Optional Transmission: 3-speed ZF 3HP22 Automatic Transmission Features Clutch Type: Single Dry Plate, Hydraulically Actuated Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W/90 or 80W/90 Gear Oil (Check manual for exact BMW specification like SAF-XO or equivalent) Automatic Transmission Fluid: Dexron-II or equivalent (Check manual for exact BMW specification) 📐 Dimensions Exterior Length: Approx. 4,710 mm (185.4 in) Width: Approx. 1,700 mm (66.9 in) Height: Approx. 1,415 mm (55.7 in) Wheelbase: Approx. 2,795 mm (110.0 in) Weights Curb Weight: Approx. 1300-1400 kg (2866-3086 lbs), varies by equipment. Gross Vehicle Weight Rating: Varies by specific model and region, consult manual. Wheels Tires Standard Tire Size: 175/70 R14 or 185/65 R14 (Check manual for exact fitment) Wheel Bolt Pattern: 5x120 mm Wheel Offset: ET 22 to ET 30 (approx., check manual for specific wheels) 🛡️ Safety Features Ratings Crash Test Data: ERA 1980s safety standards. E28 chassis known for robust construction but lacks modern active safety systems. Frontal impact...