🏷️ Basic Information Identification Make: BMW Model: 318i Year: 1986 Chassis Code: E30 Generation Generation: First Generation (E30) Codes Engine Code: M10B18 👋 Introduction Market Position Market Segment: Compact Executive Sports Sedan/Coupe. Target Audience: Enthusiasts and owners seeking to maintain and repair their E30 318i. Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Ford Sierra. Key Features Vehicle Strengths: Renowned BMW handling, sporty driving dynamics, robust German engineering, classic styling. Manual Value Proposition: Provides the essential technical knowledge for DIY maintenance, repair, and restoration of the E30 318i. 📋 Manual Details Coverage Areas Engine: M10B18 (1.8L Inline-4) Transmission: 4-speed Automatic, 5-speed Manual Drivetrain: Rear-Wheel Drive (RWD) Body Styles: 2-door Sedan, 4-door Sedan, Convertible (E30 chassis variants) Page Count Estimated Page Count: Highly comprehensive, likely 1000+ pages for a full workshop manual Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, cylinder head, block, pistons, crankshaft, camshaft, timing system, cooling system, lubrication system. Fuel System: Bosch L-Jetronic (or similar) fuel injection, fuel pump, injectors, fuel lines, fuel pressure regulator, emissions control. Ignition System: Distributor, ignition coil, spark plugs, ignition timing, electronic control unit (ECU) for ignition. Transmission Manual: Clutch assembly, gearbox overhaul, shift linkage, lubrication. Transmission Automatic: Torque converter, valve body, planetary gears, hydraulic system, control module (if applicable), fluid and filter changes. Drivetrain Rear Axle: Differential, drive shafts, universal joints, axle seals, lubrication. Suspension Front: MacPherson struts, control arms, ball joints, tie rod ends, springs, shock absorbers, wheel bearings, alignment specifications. Suspension Rear: Semi-trailing arms, shock absorbers, springs, bushings, wheel bearings, alignment specifications. Steering System: Steering rack, power steering pump (if equipped), steering column, tie rods, alignment specifications. Brakes Front: Ventilated disc brakes, caliper replacement, pad replacement, rotor specifications, bleeding procedure. Brakes Rear: Solid disc brakes or drum brakes (depending on specific model/year), caliper/wheel cylinder replacement, pad/shoe replacement, rotor/drum specifications, bleeding procedure. Electrical System: Wiring diagrams, charging system (alternator, battery), starting system (starter motor), lighting, fuses, relays, diagnostic connectors. Body And Chassis: Body panel removal/installation, door mechanisms, window regulators, trim pieces, underbody components, rust prevention and repair guidance. HVAC System: Heater core, blower motor, A/C system (if equipped), refrigerant types, diagnostic procedures. Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, belt adjustments, fluid checks and top-offs, brake inspections. Troubleshooting: Step-by-step diagnostic procedures for common issues, symptom-based troubleshooting charts, fault code interpretation (if applicable). Repair: Detailed instructions for component removal, installation, adjustment, and overhaul for all major systems. Component Rebuild: Complete rebuild procedures for engines, transmissions, differentials, and other major mechanical assemblies. Technical Specifications: Torque values, clearances, fluid capacities, pressure specifications, electrical resistance values. Technical Depth Depth Level: Comprehensive, covering everything from routine maintenance to full engine and transmission rebuilds, including electrical diagnostics. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: Likely text-searchable for quick information retrieval. Print Quality Print Quality: Digital format allows for high-quality printing of individual pages or sections. Binding Type Binding Type: N/A (Digital download) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder, Naturally Aspirated Displacement: 1766 cc (1.8 Liters) Bore X Stroke: 84.0 mm x 81.0 mm Compression Ratio: 8.5:1 or 9.5:1 (depending on specific variant) Performance Horsepower: Approx. 100-105 hp (74-77 kW) at 5500-5800 RPM Torque: Approx. 103-105 lb-ft (140-142 Nm) at 3000-3250 RPM Fuel System Fuel Delivery: Bosch L-Jetronic (or similar) Mechanical Fuel Injection Fuel Type: Unleaded Gasoline (Octane rating specified in manual) Ignition System Ignition Type: Electronic Ignition with Distributor 🔧 Transmission Standard Transmission Type: 4-speed Manual Transmission (Getrag 245) Optional Transmission Type: 4-speed Automatic Transmission (ZF 4HP22) Features Clutch Type: Single dry plate, hydraulic actuation (Manual) Differential Type: Open differential (standard), limited-slip differential (optional) 📐 Dimensions Exterior Length: Approx. 4325 mm (170.3 in) for Sedan Width: Approx. 1677 mm (66.0 in) Height: Approx. 1380 mm (54.3 in) for Sedan Wheelbase: Approx. 2570 mm (101.2 in) Weights Curb Weight: Approx. 1150-1250 kg (2535-2756 lbs), varies by body style and transmission 🛡️ Safety Features Ratings Crash Safety Era: Designed to 1980s safety standards; modern crash test data for this specific model is limited. Active Features Braking System: Front ventilated discs, rear discs or drums; ABS was an optional feature on later E30 models, less common on early 318i. Passive Features Seatbelts: Three-point front seatbelts, often with automatic retractors. Rear seatbelts typically lap belts or three-point belts depending on specification. Steering Column: Collapsible steering column for improved occupant protection in frontal impacts. 💡 Technology Features Infotainment Audio System: Factory-installed AM/FM radio with cassette player, often with optional amplifier and upgraded speaker systems. Aftermarket head units are common upgrades. Driver Assistance ABS: Optional on some E30 models, not standard on the 1986 318i. Connectivity Connectivity Features: None in the modern sense; connectivity was limited to...