🏷️ Basic Information Identification Make: BMW Model: 318i Model Code: E30 Year: 1986 Codes Chassis Code: E30 Engine Code: M10B18 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Key Features Driving Dynamics: Renowned BMW handling, rear-wheel drive, independent suspension. Build Quality: German engineering and high-quality materials typical of BMW. Value Proposition Manual Utility: Essential for DIY mechanics and enthusiasts seeking to maintain or repair their classic E30 318i. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Downloadable PDF Completeness: Complete Official Factory Documentation Page Count Estimated Page Count: Hundreds (exact count not specified in product info, but implied extensive) 📖 Manual Coverage Systems Covered Powertrain: Engine (M10B18), Fuel System, Ignition System, Exhaust System Drivetrain: Transmission (Manual/Automatic), Clutch, Driveshaft, Differential, Axles Chassis: Suspension (Front/Rear), Steering System, Brakes (Front/Rear Disc) Electrical: Wiring Diagrams, Charging System, Starting System, Lighting, Instrumentation, ECU (Motronic) Body: Body Panels, Doors, Glass, Interior Trim, Bumpers, Seals HVAC: Heating, Ventilation, Air Conditioning (if equipped) Procedures Included Maintenance: Routine Service, Oil Changes, Filter Replacements, Tune-ups Repair: Component Removal and Installation, Overhauls, Rebuilds Diagnostics: Troubleshooting Flowcharts, Fault Code Interpretation (for Motronic system) Adjustments: Valve Adjustments, Carburetor/Injection Adjustments, Wheel Alignment Specifications: Torque Values, Clearances, Fluid Capacities, Electrical Resistance Bodywork Repair: Procedures for panel alignment, door adjustments, glass replacement, and trim removal. Engine Mechanical: Cylinder head removal/installation, piston and connecting rod service, crankshaft service, timing chain service. Electrical Diagnostics: Detailed wiring diagrams for all circuits, component testing procedures, troubleshooting guides for common electrical faults. Technical Depth Depth: Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, advanced electrical diagnostics, and body repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF, allowing for quick information retrieval. Print Quality Printability: Printable in its entirety or select pages. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC Displacement: 1.8 Liters (1766 cc) Bore X Stroke: 89.0 mm x 71.0 mm Compression Ratio: 8.8:1 (typical) Performance Horsepower: 101 hp @ 5800 rpm (approx.) Torque: 107 lb-ft @ 3250 rpm (approx.) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection (or potentially Keihin carburetors in some markets, though injection is common for 'i' models) Fuel Type: Unleaded Regular (Octane Rating: 91 RON / 87 AKI) Ignition System Ignition Type: Electronic Ignition (Bosch Motronic) Cooling System Cooling Type: Liquid-cooled, pressurized system 🔧 Transmission Standard Transmission Type Standard: 4-speed Manual Transmission Optional Transmission Type Optional: 3-speed Automatic Transmission (ZF 3HP22) Features Clutch Type: Hydraulically actuated single dry plate clutch Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 (or similar, refer to manual for exact spec) Automatic Transmission Fluid: Dexron III (or equivalent, consult manual) 📐 Dimensions Exterior Length: Approx. 4325 mm (170.3 in) Width: Approx. 1675 mm (65.9 in) Height: Approx. 1380 mm (54.3 in) Wheelbase: Approx. 2570 mm (101.2 in) Weights Curb Weight: Approx. 1150 kg (2535 lbs) Gross Vehicle Weight Rating: Varies by configuration, consult manual 🛡️ Safety Features Ratings Crash Test Data: Limited comprehensive crash data available for this era; emphasis on driver control and passive safety for the time. Active Features Brakes: Front: Ventilated Disc Brakes, Rear: Solid Disc Brakes. Power assisted. Suspension: Independent front suspension (MacPherson struts), Independent rear semi-trailing arm suspension for excellent road holding. Passive Features Seatbelts: Three-point inertia-reel seatbelts (front), Lap belts (rear typical). Structure: Reinforced passenger safety cell, crumple zones. 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM/Cassette stereo system. Speakers typically in doors and rear deck. Aftermarket upgrades common. Driver Assistance Cruise Control: Optional feature on some models. ABS: Anti-lock Braking System (ABS) was an option, becoming more standard on later E30s. Connectivity Connectivity Features: No modern connectivity features (e.g., Bluetooth, USB, smartphone integration) as standard. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months, whichever comes first (typical for the era, consult manual for specific recommendation). Spark Plug Replacement: Every 20,000-30,000 miles (depending on plug type, e.g., copper vs. platinum). Timing Belt Replacement: M10 engine uses a timing chain, which is generally maintenance-free unless there are specific issues like rattle. Fluid Specifications Engine Oil Type: API SG or SH, SAE 20W-50 or 10W-40 (depending on climate, consult manual) Coolant Type: Ethylene Glycol based antifreeze, 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4. Power Steering Fluid: BMW Genuine Power Steering Fluid or ATF Dexron II/III. Known Issues Engine Wear: Valve stem seals can degrade leading to oil consumption; M10 engines are generally robust but can suffer from typical older engine issues like oil leaks. Cooling System: Plastic coolant expansion tanks can become brittle and crack; hoses can degrade. Electrical: Corrosion in connectors, failing dashboard illumination, Motronic ECU issues (less common than later...