🏷️ Basic Information Identification Make: BMW Model: 318i Year: 1984 Codes Chassis Code: E30 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Competitors 1984: Mercedes-Benz 190E, Audi 4000, Volvo 240 Series, Alfa Romeo Alfetta Competitive Analysis Strengths: Sporting dynamics, build quality, driver engagement, brand prestige Weaknesses: Higher price point, more basic interior compared to some rivals Key Features Driving Dynamics: Renowned BMW handling, balanced chassis, rear-wheel drive Engine Philosophy: Smooth, reliable inline-four with good low-end torque Design Era: Iconic E30 styling, clean lines, functional interior 📋 Manual Details Coverage Areas All Models Engines Trims Transmissions: True Page Count Estimated Page Count: 800+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: M10 4-cylinder, Bosch L-Jetronic fuel injection Transmission: 4-speed manual, 5-speed manual, 3-speed automatic (optional) Drivetrain: Rear-wheel drive Suspension: Front: MacPherson struts, Rear: Semi-trailing arms Brakes: Front: Solid discs, Rear: Drums (typical) Steering: Recirculating ball, optional power steering Fuel System: Bosch L-Jetronic, fuel pump, injectors, fuel filter Cooling System: Radiator, fan, thermostat, coolant hoses Electrical System: Battery, alternator, starter motor, ignition system, lighting, fuses, relays Exhaust System: Manifold, catalytic converter (if applicable), muffler, pipes Body And Chassis: Body panels, structural components, doors, windows, locks Interior: Seating, dashboard, trim panels, HVAC controls Procedures Included Maintenance: Oil change, filter replacement, spark plug replacement, belt inspection/replacement, brake fluid flush, coolant flush, general tune-up Troubleshooting: Diagnostic procedures, symptom analysis, fault finding for all major systems Repair: Engine rebuild, transmission overhaul, suspension component replacement, brake caliper/rotor replacement, electrical component repair, bodywork repair Diagnostics: Wiring diagrams, component testing procedures, diagnostic trouble codes (if applicable for the era) Specifications: Torque values, clearances, fluid capacities, electrical resistance values Disassembly And Assembly: Step-by-step guides for removing, inspecting, and reinstalling components Technical Depth Depth: Comprehensive, from basic maintenance to full engine and transmission rebuilds Diagnostic Tools: Information on necessary tools, though primarily mechanical diagnostics for this era 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (OCR processed where applicable) Printability: Printable pages Print Quality Image Resolution: High-resolution scans of original diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M10 B18 Engine Type: Inline 4-cylinder, SOHC Displacement: 1766 cc (1.8 Liters) Performance Horsepower Gross: 101-105 hp @ 5800-6000 rpm (depending on market/tune) Torque Gross: 107-110 lb-ft @ 3200-3250 rpm (depending on market/tune) Fuel System Injection System: Bosch L-Jetronic (Motronic in later variants) Fuel Type: Unleaded gasoline (Octane rating as specified by BMW) Engine Construction Block Material: Cast Iron Head Material: Aluminum Alloy 🔧 Transmission Standard Type: 4-speed Manual (Getrag 245) Optional Type: 5-speed Manual, 3-speed ZF Automatic Features Clutch Type: Single dry plate, hydraulically actuated Final Drive Ratio: 3.64:1 (typical for 318i manual) 📐 Dimensions Exterior Wheelbase: 2570 mm (101.2 inches) Length: 4350 mm (171.3 inches) Width: 1675 mm (65.9 inches) Height: 1380 mm (54.3 inches) Weights Curb Weight: ~1200 kg (2645 lbs) depending on options Gross Vehicle Weight Rating: N/A (Refer to specific vehicle plate) Towing Capacity: Not generally specified for this model 🛡️ Safety Features Ratings NHTSA Ratings 1984: Not available in modern format Active Features ABS: Optional (introduced later in the E30 lifecycle, not standard on 1984 318i) Passive Features Seatbelts: 3-point front, 2-point rear (typical) Crumple Zones: Designed with front and rear crumple zones 💡 Technology Features Infotainment Radio: AM/FM radio, often with cassette player (optional) Speakers: Typically 4 speakers (dash and rear parcel shelf) Driver Assistance Cruise Control: Optional Instrumentation: Analog gauges: speedometer, tachometer, fuel level, engine temperature, oil pressure (warning light), odometer, trip odometer Connectivity Connectivity Features: None (pre-digital era) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months (recommendation) Air Filter Replacement: Every 15,000-20,000 miles or as needed Spark Plug Replacement: Every 30,000 miles (typically) Timing Belt Replacement: N/A (M10 engine uses a timing chain) Fluid Specifications Engine Oil: API SG, SAE 15W-40 or 10W-40 (check manual for exact spec) Coolant: Ethylene glycol based, BMW blue coolant (50/50 mix with distilled water) Brake Fluid: DOT 3 or DOT 4 Transmission Fluid Manual: API GL-4, SAE 75W-90 or 80W-90 Transmission Fluid Automatic: Dexron III (or equivalent) Differential Fluid: API GL-5, SAE 75W-90 or 80W-90 Known Issues Cooling System: Plastic coolant expansion tank can become brittle and crack, thermostat housing leaks Fuel System: Bosch fuel injectors can clog, fuel pump and relay failures Electrical System: Corroded grounds, alternator failures, starter solenoid issues, fuse box corrosion Suspension: Worn control arm bushings, trailing arm bushings (very common), shock absorber fatigue Body: Rust in common areas like rocker panels, fender wells, battery tray area, trunk floor Interior: Degraded dashboard material, cracked speaker grilles, worn seat bolsters Maintenance Schedule Summary Routine: Regular checks of fluid levels, tire pressure, belts, hoses, and brakes are critical. Preventative: Timely replacement of wear...