🏷️ Basic Information Identification Make: BMW Model: 320i Years Covered: 1987-1991 Vehicle Type: Compact Executive Car Generation Chassis Code: E30 Codes Engine Code: M10 (in specific configurations, though variations exist within E30) E Codes: E30 (chassis generation) 📋 Manual Details Coverage Areas Repair Procedures: Complete step-by-step instructions based on full disassembly Systems Covered: General Information, Specifications, Maintenance, Engine, Electrical, Engine Cooling, Fuel and Emissions, Transaxle, Steering, Suspension, Brakes (including ABS), Body, Heating, Ventilation and Air Conditioning (HVAC), Body Electrical, Restraints Page Count Estimated Pages: Hundreds of pages Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English (implied by product description) Format Format: PDF (downloadable, printable, savable) Compression: May be zipped (.zip, .rar) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder Displacement: 2.0 Liters (1990cc) Fuel Delivery: Bosch Motronic Fuel Injection Block Material: Cast Iron Head Material: Aluminum Timing Drive: Timing Chain Performance Horsepower: Approx. 121 hp @ 5800 rpm (varies slightly by year/market) Torque: Approx. 125 lb-ft @ 3500 rpm (varies slightly by year/market) Fuel System Fuel Type: Unleaded Gasoline Maintenance Spark Plugs: Refer to manual for specific type and gap Oil Type: Refer to manual for specific viscosity (e.g., 20W-50, 15W-40) Oil Capacity: Refer to manual for specific capacity 🔧 Transmission Standard Transmission Type: 4-Speed Manual Optional Transmission Type: 4-Speed Automatic Features Clutch: Hydraulic clutch actuation Drive Type: Rear Wheel Drive (RWD) 📐 Dimensions Exterior Body Style: 2-Door Sedan (E30 Coupe/Cabrio often associated, but 320i designation historically more sedan-focused in this era). Wheelbase: Approx. 104.3 inches (2650 mm) Weights Curb Weight: Approx. 2800 - 2900 lbs (1270 - 1315 kg) (varies by options) 🛡️ Safety Features Features Brakes: Front Disc, Rear Drum (ABS optional on later models) Seatbelts: 3-point front seatbelts, 2-point rear seatbelts (later models may have 3-point rear) Restraints: Manual covers restraint systems Lighting: Halogen headlights Steering Type: Recirculating Ball (Manual or Power Assisted) 🔧 Maintenance Service Intervals Oil Change: Refer to manual (typically 5,000-7,500 miles or 6-12 months) Air Filter: Refer to manual (typically 15,000-30,000 miles) Spark Plugs: Refer to manual (typically 30,000-60,000 miles) Fluid Specifications Coolant: Ethylene Glycol based antifreeze (50/50 mix with distilled water) Brake Fluid: DOT 3 or DOT 4 Power Steering Fluid: Refer to manual (likely ATF Dexron II or equivalent) Transmission Fluid Manual: Refer to manual (likely manual transmission fluid GL-4) Transmission Fluid Automatic: Refer to manual (likely ATF Dexron II or equivalent) Differential Fluid: Refer to manual (likely GL-5 Gear Oil)