🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Variant: 518, 518i Year: 1985 Codes Chassis Code: E28 👋 Introduction Market Position Positioning: The BMW 5 Series (E28) represented BMW's commitment to executive-class sedans offering a blend of luxury, performance, and sporty handling. The 518 and 518i were the entry-level models in this prestigious line-up, targeting buyers who valued BMW's engineering and brand prestige without necessarily requiring the higher performance of larger engines. Competitive Analysis Competitors: Competed against models like the Mercedes-Benz W123/W124, Audi 100, and Jaguar XJ-S (though the latter was positioned higher). Key Features Vehicle Highlights: The E28 5 Series was renowned for its sophisticated suspension, driver-focused ergonomics, and build quality. The 518 models offered a more fuel-efficient entry point into the 5 Series ownership experience. Manual Value Proposition Value: This manual is essential for any owner or independent mechanic working on a 1985 BMW 518 or 518i. It provides the critical technical information needed to maintain, diagnose, and repair these vehicles accurately, preserving their classic status and driving pleasure. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Workshop Page Count Estimated Page Count: High (Typically 500+ pages for comprehensive workshop manuals of this era) Manual Type Type: Workshop Manual Language Language: English Format Format: Likely a reproduction of the original manufacturer's manual, often available in printed or PDF format 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnosis, tuning, fuel injection (Bosch L-Jetronic for 518i), ignition system, lubrication, cooling system Transmission: Manual and automatic transmission service, repair, and overhaul, including clutch service, torque converter details, and gearshift mechanisms Drivetrain: Differential, driveshafts, CV joints, axle repairs Suspension: Front and rear suspension component diagnosis and replacement, shock absorbers, springs, control arms, bushings, wheel bearing service Steering: Power steering system service, steering rack overhaul, steering column repairs Brakes: Front and rear brake systems (likely discs front, drums rear for 518/518i), ABS (if equipped on specific variants), brake fluid service, caliper and master cylinder overhaul Electrical: Comprehensive wiring diagrams, fuse box layouts, starter motor, alternator, battery, lighting systems, instrument cluster diagnosis, accessory circuits, ECU diagnosis (limited for base models) Bodywork: Body panel alignment, door and window mechanisms, interior trim removal and installation, rust repair procedures, body sealing HVAC: Heating, ventilation, and air conditioning system service and repair Procedures Included Maintenance: Scheduled maintenance procedures, oil change intervals, filter replacements, spark plug replacement, brake fluid flush, coolant flush Troubleshooting: Diagnostic charts and flowcharts for common drivability issues, electrical faults, and mechanical problems Repair: Step-by-step repair instructions for all major mechanical and electrical components, including engine rebuilds, transmission overhauls, and body repairs Installation: Procedures for installing replacement parts and accessories Torque Specifications: Detailed torque specifications for all critical fasteners and engine components Alignment Specifications: Wheel alignment specifications Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission rebuilds. Includes detailed troubleshooting and diagnostic procedures. 📊 Manual Specifications File Format File Format: Digital (PDF) or Printed Print Quality Print Quality: Professional reproduction quality, clear text and diagrams. Binding Type Binding Type: Perfect bound or spiral bound for printed versions (depending on reproduction source) Paper Type Paper Type: Durable paper stock suitable for workshop environments (for printed versions) ⚙️ Engine Specifications Primary Engine Engine Code 518: M10B18 (inline-four cylinder) Engine Code 518I: M10B18 (inline-four cylinder with L-Jetronic fuel injection) Displacement Displacement Liters: 1.8 L (1766 cc) Performance 518 Horsepower 518: Approximately 90 hp @ 5500 rpm Torque 518: Approximately 140 Nm (103 lb-ft) @ 3000 rpm Performance 518I Horsepower 518I: Approximately 105 hp @ 5800 rpm Torque 518I: Approximately 145 Nm (107 lb-ft) @ 3500 rpm Fuel System Fuel System 518: Carbureted (e.g., Solex 40 PDIT) Fuel System 518I: Bosch L-Jetronic Electronic Fuel Injection Engine Management Ignition System: Distributor-based ignition system (points or electronic depending on exact build date/spec) ECU 518I: Basic engine control unit for fuel injection management Cooling System Cooling Type: Water-cooled Lubrication Oil Capacity Liters: Approximately 4.25 liters (with filter) of SAE 20W-50 or SAE 10W-40 🔧 Transmission Standard Transmission Type Standard: 4-speed Manual (Getrag 245) Optional Transmission Type Optional: 3-speed Automatic (ZF 3HP22) Features Clutch Type: Single dry plate, hydraulically actuated Transmission Fluid Manual: GL-4 Gear Oil (e.g., SAE 75W-90) Transmission Fluid Automatic: Dexron III or equivalent (check manual for exact specification) 📐 Dimensions Exterior Length Mm: 4620 mm (approx.) Width Mm: 1700 mm (approx.) Height Mm: 1420 mm (approx.) Weights Curb Weight Kg: Approx. 1300-1400 kg (depending on transmission and options) Wheelbase Mm: 2756 mm (approx.) Cargo Trunk Volume Liters: Approximately 460 liters 🛡️ Safety Features Ratings Crash Test Era: Data limited for this era, but BMWs of this period were known for robust construction. Active Features ABS: Optional on some variants, standard on higher trims or later models of the E28 platform. Passive Features Seatbelts: Standard front seatbelts, often with inertia reels. Body Structure: Reinforced...