🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Variant: 518, 518i Production Years Covered: 1985, 1986, 1987, 1988 Codes Chassis Code: E28 👋 Introduction Market Position Segment: Executive/Luxury Sedan Target Audience: Owners and independent mechanics seeking in-depth knowledge for maintenance and repair of the E28 5 Series. Competitive Analysis Competitors: Mercedes-Benz W124, Audi 100/200, Volvo 240/740 Key Features Vehicle Reputation: Known for solid build quality, sophisticated engineering, and a driver-focused experience. Manual Value: Indispensable resource for maintaining the longevity and performance of these classic BMWs. 📋 Manual Details Coverage Areas Manual Type: Workshop Repair Service Manual Language: English Format: PDF Download Page Count Estimated Page Count: Comprehensive (Exact number varies by PDF edition, typically 500+ pages) 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, diagnosis, tuning, emission controls for M10 engine variants Fuel System: Fuel injection (K-Jetronic for 518i), fuel pumps, injectors, pressure regulators Ignition System: Ignition timing, spark plugs, coils, distributors, electronic control units (ECU) Transmission: Manual and automatic transmission servicing, repair, and overhaul (Getrag 4/5-speed, ZF 3/4-speed auto) Drivetrain: Driveshafts, differential, rear axle assembly, wheel bearings Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment procedures Steering: Power steering system, steering rack, tie rods, steering column Brakes: Front discs, rear drums (or discs on some variants), hydraulic system, ABS (if equipped), bleeding procedures Electrical System: Wiring diagrams, battery, alternator, starter motor, fuses, relays, lighting systems Cooling System: Radiator, water pump, thermostat, hoses, fan operation Exhaust System: Exhaust manifold, catalytic converter (if applicable), muffler, pipework Bodywork: Body panel removal and installation, door mechanisms, glass replacement, interior trim Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt adjustments Troubleshooting: Diagnostic flowcharts, common fault identification and correction Repair Procedures: Step-by-step instructions for component removal, replacement, and reassembly Engine Overhaul: Complete engine rebuild procedures, including piston ring replacement, valve servicing, gasket replacement Transmission Rebuild: Detailed steps for rebuilding both manual and automatic gearboxes Brake System Service: Pad/shoe replacement, disc/drum machining, caliper/wheel cylinder overhaul, brake fluid flush Electrical Diagnostics: Fault finding using wiring diagrams, testing components Suspension And Steering Repair: Component replacement, alignment specifications Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF, allowing for quick keyword lookup Print Quality: Designed for clarity, suitable for printing specific sections or the entire manual Binding Type Binding Type: N/A (Digital PDF download) Paper Type Paper Type: N/A (Digital PDF download) ⚙️ Engine Specifications Primary Engine Engine Code 518: M10B18 Engine Type 518: Inline 4-cylinder, SOHC Displacement 518: 1.8 Liters (1766 cc) Bore X Stroke 518: 89.0 mm x 71.0 mm Compression Ratio 518: 8.6:1 or 9.5:1 (depending on variant) Power Output 518 Approx: 90 PS (66 kW; 89 hp) at 5400 rpm Torque 518 Approx: 140 Nm (103 lb-ft) at 3250 rpm Engine Code 518I: M10B18 (with K-Jetronic) Engine Type 518I: Inline 4-cylinder, SOHC, Bosch K-Jetronic fuel injection Displacement 518I: 1.8 Liters (1766 cc) Power Output 518I Approx: 99 PS (73 kW; 98 hp) at 5500 rpm Torque 518I Approx: 145 Nm (107 lb-ft) at 3250 rpm Fuel System Fuel Type: Unleaded gasoline Fuel Pump Type: Mechanical or electric (depending on specific variant and market) 🔧 Transmission Standard Manual Transmission Standard: Getrag 4-speed or 5-speed manual Optional Automatic Transmission Optional: ZF 3HP22 or 4HP22 3 or 4-speed automatic Features Clutch Type: Single dry plate diaphragm spring clutch (manual) Transmission Fluid Type: Manual: GL-4/GL-5 (API rating dependent on specific fluid), Automatic: Dexron II or equivalent 📐 Dimensions Exterior Length: Approx. 4620 mm (181.9 in) Width: Approx. 1700 mm (66.9 in) Height: Approx. 1410 mm (55.5 in) Wheelbase: Approx. 2700 mm (106.3 in) Weights Curb Weight Approx: 1260 - 1350 kg (2778 - 2976 lbs) depending on transmission and equipment 🛡️ Safety Features Ratings Safety Standards: Reflects safety standards of the mid-1980s; Euro NCAP ratings not applicable. Active Features Braking System: Front ventilated discs, rear discs or drums; optional ABS on later models. Steering Design: Recirculating ball steering mechanism (E28 generation). Passive Features Seatbelts: Standard three-point front seatbelts, two-point rear seatbelts. Body Construction: Unitized body with integral safety cage and crumple zones. 💡 Technology Features Infotainment Radio System: Original systems were typically AM/FM radios with cassette players. Aftermarket upgrades are common. Speakers: Factory speaker configurations varied, usually 4-6 speakers. Driver Assistance ABS: Anti-lock Braking System (ABS) was an optional feature on later E28 models. Cruise Control: Often available as an option, particularly on higher-spec models. Connectivity Connectivity Features: No integrated Bluetooth or smartphone connectivity; relies on aftermarket solutions. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 - 15,000 km (6,000 - 10,000 miles) or annually, refer to manual for specific recommendation. Air Filter Replacement: Every 20,000 - 30,000 km (12,000 - 18,000 miles) Spark Plug...