🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 320i Codes Chassis Code: E30 Generation Production Years: 1987-1991 👋 Introduction Market Position Target Audience: Professional mechanical technicians and experienced DIY enthusiasts Competitive Analysis Advantage: Provides dealership-level service information for DIY repair and maintenance, saving costs Key Features Emphasis: Highlights specific aspects of BMW product service and repair Safety Notation: Utilizes WARNING, CAUTION, and NOTE symbols for critical information Information Reliability: Aimed at providing the most reliable information for optimal vehicle performance 📋 Manual Details Coverage Areas Years Covered: 1987, 1988, 1989, 1990, 1991 Page Count Page Count: 227 Manual Type Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Includes Engine Tune-ups, Repair, and Overhaul Fuel System: Detailed procedures for fuel injection, pump, and lines Ignition System: Covers ignition timing, components, and troubleshooting Lubrication System: Oil system maintenance, pump, and filter replacement Exhaust System: Repair and replacement of exhaust components Electrical System: Comprehensive coverage of wiring diagrams, components, and troubleshooting Body: Includes body panel repair, interior, and exterior components Transmission: Covers repair and overhaul of transmission systems Brakes: Includes front disc and rear drum brake system repair and maintenance Suspension: Covers front MacPherson struts and rear semi-trailing arm suspension repair Steering: Includes steering box/rack and pinion maintenance and repair Procedures Included Maintenance: Routine maintenance and servicing procedures Repair: Diagnostic and repair procedures for common and complex issues Removal Installation: Step-by-step removal and installation of major components Assembly Disassembly: Detailed disassembly and reassembly instructions for various assemblies Troubleshooting: Diagnostic flowcharts and troubleshooting guides for common faults Technical Depth Depth: Detailed procedures suitable for professional technicians and knowledgeable DIYers Special Tools: Identifies and illustrates BMW special tools required for specific repairs Proprietary Components: Includes instructions for proprietary BMW components and supplier component information 📊 Manual Specifications File Format File Type: PDF Searchable: Likely searchable, dependent on PDF creation Print Quality Printable: Yes Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Delivery Delivery Method: Fast and Free Electronic Delivery via Email ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder Displacement: 2.0 Liters (1990 cc) Engine Code: M10 (typically) Performance Horsepower: Approx. 104-105 hp (dependent on market and specific year) Torque: Approx. 116-118 lb-ft (dependent on market and specific year) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Fuel Type: Unleaded Gasoline Lubrication Oil Capacity: Approx. 4.5 liters (4.8 US quarts) with filter (verify specific model year) Cooling System Coolant Capacity: Approx. 7.0 liters (7.4 US quarts) (verify specific model year) 🔧 Transmission Standard Transmission Type: 4-speed Manual Transmission Optional Transmission Type: 3-speed Automatic Transmission (optional) Features Clutch Type: Single dry plate, hydraulically operated Fluid Specification Manual Transmission Fluid: API GL-4, SAE 75W-90 or SAE 80W-90 (verify specific manual recommendation) Automatic Transmission Fluid: Dexron III or equivalent (verify specific manual recommendation) 📐 Dimensions Exterior Length: Approx. 4355 mm (171.5 in) Width: Approx. 1675 mm (66.0 in) Height: Approx. 1380 mm (54.3 in) Weights Curb Weight: Approx. 1150 kg (2535 lbs) (manual transmission) Wheels Tires Wheel Bolt Pattern: 5 x 120 mm Standard Tire Size: 175/70 R14 (often) 💡 Technology Features Infotainment Original Audio System: Basic AM/FM radio with cassette player, optional premium sound systems Driver Assistance ABS: Anti-lock Braking System (ABS) available as an option on some models/years Connectivity Connectivity Features: No modern connectivity features (Bluetooth, USB) in original configuration. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles or 6-12 months (refer to manual for precise recommendations) Spark Plug Replacement: Refer to manual, typically around 30,000 miles for standard plugs Timing Belt Replacement: Not applicable for M10 engine (uses timing chain) Fluid Specifications Engine Oil Type: 10W-40 or 15W-40 (API SG/SH or higher) (verify specific manual recommendation) Brake Fluid Type: DOT 3 or DOT 4 (verify specific manual recommendation) Coolant Type: Ethylene glycol-based antifreeze (BMW Blue or equivalent) Known Issues Common Problems: Cooling system leaks (hoses, radiator, water pump), fuel distributor issues, rust (wheel wells, rocker panels), worn front control arm bushings, heater control valve failure. Electrical Quirks: Flickering dashboard lights, issues with door lock actuators due to age. Technical Tips Torque Wrench Importance: Emphasized for ensuring fasteners are tightened to specification, crucial for engine and suspension components. 📚 Vehicle History Brand Heritage Brand Philosophy: Performance, Engineering Excellence, Driving Dynamics Model Evolution E30 Generation: The E30 generation is highly regarded for its balance and build quality, representing a successful era for BMW's compact executive car. Production Manufacturing Location: Germany 🏆 Awards & Recognition Recognitions E30 Reputation: The E30 platform is widely acclaimed in automotive circles for its driving dynamics and build quality, often considered a modern classic.