🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E30 Applicable Model Years: 1984-1990 Applicable Models List: 318i, 325, 325e, 325es, 325i, 325is, 325i Convertible Generation Generation Name: 1st Generation (E30) Generation Production Years: 1982-1994 (Global) Codes Vin Code Era: E30 👋 Introduction Market Position Vehicle Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Performance-oriented drivers, enthusiasts, and luxury car buyers Competitive Analysis Key Competitors: Mercedes-Benz W201 (190E), Audi 80/90, Alfa Romeo 75 Unique Selling Proposition: BMW's renowned driving dynamics, build quality, and sporty character Key Features Driving Dynamics: Sport-tuned suspension, RWD bias, communicative steering Build Quality: Legendary BMW build quality and longevity Design Era: Classic 1980s BMW design language 📋 Manual Details Coverage Areas Manual Title: BMW 3 Series E30 1984-1990 Service Repair Manual Primary Coverage: Repair, Maintenance, Servicing Comprehensive Nature: Very comprehensive Page Count Page Count: Undisclosed (Implied extensive) Manual Type Manual Type: Service Repair Manual Intended User: Technicians and DIY Enthusiasts Language Language: English Format Format: PDF Download Printability: Fully printable (selected pages or whole manual) Digital Features: Searchable text (assumed for PDF) 📖 Manual Coverage Systems Covered Engine Management: Covered Engine: Covered Ignition: Covered Fuel System: Covered Cooling System: Covered Exhaust System: Covered Emission Control: Covered Transmission Clutch: Covered Brakes: Covered Suspension Steering: Covered Body Interior: Covered Electrical System: Covered Driveshaft: Covered Lubrication Maintenance: Covered Procedures Included Procedure Type Overview: Detailed and complete step-by-step written procedures Visual Aids: Illustrated with pictures and diagrams Diagnostic Assistance: Troubleshooting guidance implied Component Repair: Component-specific repair instructions Assembly Disassembly: Detailed exploded views for disassembly and reassembly Technical Depth Depth Level: High (technician-level detail) Rebuild Instructions: Implied for major components Specification Detail: Detailed specifications throughout 📊 Manual Specifications File Format File Type: PDF Delivery Method: Digital Download Print Quality Image Resolution: High quality (implied for diagrams and pictures) Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 318I: M10 (4-cylinder) Engine Displacement 318I: 1.8 Liters (1795 cc) Engine Code 325E 325Es: M20B27 (6-cylinder 'Eta' engine) Engine Displacement 325E 325Es: 2.7 Liters (2693 cc) Engine Code 325 325I 325Is 325I Convertible: M20B25 (6-cylinder) Engine Displacement 325 325I 325Is 325I Convertible: 2.5 Liters (2494 cc) Performance Horsepower 318I Approx: 101-105 hp Horsepower 325E Approx: 121-124 hp Horsepower 325I Approx: 168-170 hp Torque 325I Approx: 225 Nm (166 lb-ft) Fuel System Fuel Delivery 318I: Bosch L-Jetronic (1984-85) Fuel Delivery 325E: Bosch Motronic (1984-87) Fuel Delivery 325I: Bosch Motronic (1987-90) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type 318I: 4-Speed Manual (Standard), 5-Speed Manual (Optional) Transmission Type 325E: 5-Speed Manual (Standard), 3-Speed Automatic (Optional) Transmission Type 325I: 5-Speed Manual (Standard), 4-Speed Automatic (Optional) Optional Automatic Transmission Availability: Available on most models Features Drivetrain: Rear-Wheel Drive (RWD) Differential: Open Differential (Standard), Limited Slip Differential (Optional on select models) 📐 Dimensions Exterior Body Styles: 2-Door Sedan, 4-Door Sedan, 2-Door Convertible Wheelbase Approx: 2570 mm (101.2 inches) Overall Length Approx: 4325 mm (170.3 inches) Overall Width Approx: 1675 mm (66.0 inches) Overall Height Approx: 1380 mm (54.3 inches) Weights Curb Weight Range Approx: 1200 - 1350 kg (2646 - 2976 lbs) Gross Vehicle Weight Rating: Varies by model (Refer to manual/vehicle plate) 🛡️ Safety Features Ratings Crash Test Era Notes: Modern crash test data is limited for this era; focus on passive safety features. Active Features Braking System Type: Disc brakes front and rear (ventilated front discs on 6-cyl models) Anti Lock Brakes: Optional on most models, standard on later 325i/is Passive Features Seatbelts: Three-point front seatbelts, rear lap belts (three-point rear optional/later) Body Structure: Reinforced passenger compartment, crumple zones 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM cassette stereo systems; upgraded options available Climate Control: Manual HVAC system; optional (rare) automatic climate control Driver Assistance Cruise Control: Optional on most models Power Windows: Standard or Optional depending on trim level Connectivity Connectivity Features: None (basic analog systems of the era) 🔧 Maintenance Service Intervals Oil Change Interval Typical: Every 7,500 - 10,000 miles or 12 months (refer to manual for specific type) Major Service Interval Typical: Timing belt replacement every 40,000-60,000 miles or 4-5 years (for M20 engines) Brake Fluid Flush: Every 2 years Fluid Specifications Engine Oil Type Common: API SG or higher, SAE 10W-40 or 15W-40 (check manual for exact spec based on temp) Coolant Type: Ethylene Glycol based coolant (BMW Blue or equivalent) Transmission Fluid Manual: BMW MTF LT-2 or equivalent GL-4 gear oil (e.g., Pentosin) Transmission Fluid Automatic: Dexron III or equivalent ATF Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common E30 Issues: Cooling system leaks (radiator, hoses, water pump), rust (wheel arches, sills), fuel pump failure, sagging headliner, seized blower motor, worn front suspension bushings M20 Engine Specific Issues: Oil leaks from oil filter housing and valve cover gasket, timing belt failure can cause valve...