🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 318i Codes Chassis Code: E30 Engine Code Primary: M10B18 👋 Introduction Market Position Segment: Compact Executive / Sports Sedan Competitive Analysis Key Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Ford Sierra Key Features Driving Dynamics: Renowned for BMW's signature sporty handling, responsive steering, and balanced chassis. Build Quality: High-quality construction, durable materials, and excellent fit and finish characteristic of BMW. Target Audience Demographic: Enthusiasts, DIY mechanics, and owners seeking in-depth knowledge for maintenance and repair. 📋 Manual Details Coverage Areas Models Covered: BMW 318i Production Years Covered: 1984, 1985, 1986, 1987, 1988, 1989, 1990 Page Count Total Pages: 554 Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete Engine Overhaul, Maintenance, Diagnostics, Fuel System, Ignition System, Cooling System, Lubrication System, Emission Control Systems Transmission: Manual and Automatic Transmission Service, Clutch System, Drive Axles, Differential Suspension Steering: Front and Rear Suspension, Steering System, Wheel Alignment Brakes: Brake System Diagnostics, Pad and Rotor Replacement, Hydraulic System Service, ABS (if equipped) Electrical: Wiring Diagrams, Charging System, Starting System, Lighting System, Instrument Cluster, ECUs, Fuses and Relays Bodywork: Body Panel Repair, Doors, Hood, Trunk, Interior Trim, Glass Replacement Heating Ventilation Air Conditioning: HVAC System Service and Repair Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Belt Replacement Repair: Engine Rebuilding, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Repair Troubleshooting: Diagnostic Flowcharts, Symptom-Based Troubleshooting Guides Specifications: Torque Specifications, Clearances, Fluid Capacities, Piston Ring Gap, Bearing Clearances Technical Depth Depth: Comprehensive; Covers routine maintenance to complete engine and transmission rebuilds, including electrical system diagnostics and bodywork repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text-based PDF, allowing for keyword searches of technical terms and procedures. Print Quality Quality: Assumed to be high-quality scan or digital original, suitable for printing. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: 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 80.0 mm Compression Ratio: 8.5:1 or 9.0:1 (depending on variant) Performance Horsepower Peak: Approx. 104-105 hp @ 5800-6000 rpm Torque Peak: Approx. 107-108 lb-ft @ 3200-3500 rpm Fuel System Fuel Delivery: Bosch LE-Jetronic or L-Jetronic Fuel Injection Fuel Type: Unleaded Gasoline (91+ Octane Recommended) Cooling System Coolant Type: BMW Premium Antifreeze/Coolant (G48 or equivalent), 50/50 mix with distilled water Lubrication System Oil Type: SAE 15W-40 or 20W-50 API SG or SH rating (consult manual for specific climate recommendations) 🔧 Transmission Standard Type: 4-Speed Manual Getrag 240 Optional Type: 3-Speed ZF 3HP13 Automatic Transmission Manual Transmission Fluid Fluid Type: API GL-4 Gear Oil (e.g., Castrol EP 75W-90 or equivalent) Automatic Transmission Fluid Fluid Type: Dexron II or III (consult manual for specific BMW specification) Differential Fluid Fluid Type: API GL-5 Gear Oil (e.g., SAE 75W-90) 📐 Dimensions Exterior Length: Approx. 168.4 inches (4277 mm) Width: Approx. 66.1 inches (1680 mm) Height: Approx. 54.5 inches (1384 mm) Wheelbase: Approx. 100.1 inches (2540 mm) Weights Curb Weight: Approx. 2600 - 2800 lbs (1180 - 1270 kg), varies by transmission and options Gross Vehicle Weight Rating: Approx. 3570 lbs (1620 kg) Cargo Trunk Capacity: Approx. 15.0 cu ft (425 liters) 🛡️ Safety Features Ratings Crash Test Results: Specific NHTSA/IIHS ratings from this era are often limited or not directly comparable to modern standards. E30 chassis generally considered robust for its time. Active Features Braking System: Front Disc Brakes, Rear Drum Brakes (some later models may have rear discs). ABS: Optional Anti-lock Braking System (ABS) available on later models. Passive Features Seatbelts: Three-point front seatbelts, lap belts for rear passengers. Headrests: Front and rear headrests. Chassis Design: Unitized steel body construction with crumple zones. 💡 Technology Features Infotainment Audio System: Factory cassette player with AM/FM radio, optional CD changer in some later models. Basic speaker configurations. Driver Assistance Cruise Control: Optional cruise control system. Trip Computer: Basic trip computer features in some higher trims or optional packages. Connectivity Bluetooth: Not available from factory. Auxiliary Input: Not available from factory; aftermarket solutions common. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6-12 months, whichever comes first. Consult manual for specific mileage/time. Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km) or annually. Spark Plug Replacement: Every 20,000 - 30,000 miles (32,000 - 48,000 km), depending on plug type. Timing Belt Replacement: N/A (M10 engine uses a timing chain). Fluid Specifications Brake Fluid: DOT 3 or DOT 4 (consult manual for exact specification and interval) Fluid Capacities Engine Oil Capacity: Approx. 4.5 - 5.0 liters (4.8 - 5.3 US quarts) with filter. Coolant Capacity: Approx. 7.5 - 8.0 liters (7.9 - 8.5 US...