🏷️ Basic Information Identification Make: BMW Model: 320i Year: 1989 Codes Chassis Code: E30 👋 Introduction Market Position Positioning: The BMW 320i (E30) was positioned as a compact executive sports sedan, known for its engaging driving dynamics, premium build quality, and sporty yet refined image. Competitive Analysis Competitors: Competed with vehicles like the Mercedes-Benz 190E, Audi 80/90, and Alfa Romeo 75. Key Features Driving Dynamics: Renowned for its balanced chassis, rear-wheel-drive layout, and responsive handling, making it a favorite among driving enthusiasts. Design: Iconic 'E30' design characterized by clean lines, a driver-focused cockpit, and a robust, well-built interior. 📋 Manual Details Coverage Areas Covered Models: All 1989 BMW 320i models (all engine, transmission, and trim variants) Page Count Estimated Page Count: Approximately 1500-2000+ pages (typical for comprehensive workshop manuals of this era, though exact count varies by specific edition/compiler) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: M20B20 (2.0L inline-6), engine mechanicals, lubrication, cooling, fuel, ignition, exhaust, engine management (DME) Transmission: Getrag 260 5-speed manual transmission; ZF 4HP22 4-speed automatic transmission, clutch, driveline, driveshaft, differential Brakes: Front vented discs, rear discs (or drums depending on specific market/build), ABS (if equipped), brake system hydraulics, parking brake Suspension: Front MacPherson struts, rear semi-trailing arms, springs, dampers, bushings, steering system (rack and pinion), wheel alignment Electrical: Battery, charging system (alternator), starting system, lighting, instrumentation, dashboard, wiring diagrams, fuse box, relays, ECU Bodywork: Chassis structure, body panels, doors, windows, convertible top (if applicable), interior trim, bumpers, seals HVAC: Heating, ventilation, air conditioning (if equipped), blower motor, controls, refrigerant system Fuel System: Fuel tank, fuel pump, fuel filter, fuel injectors (Bosch L-Jetronic or similar), fuel pressure regulator Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, coolant flushes, brake fluid changes, belt inspections/replacements, general tune-ups Troubleshooting: Diagnostic procedures for engine, transmission, electrical, and other systems, fault code interpretation (if applicable) Repair: Engine overhaul, transmission rebuild, brake caliper replacement, suspension component replacement, electrical component repair, body panel repair Installation: Component replacement and installation (e.g., alternators, starters, radiators, exhaust systems) Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission overhauls, detailed diagnostic procedures, and electrical system troubleshooting. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable (OCR processed if scanned), allowing for quick keyword lookups. Print Quality Print Readability: High-resolution scans ensuring clear text and diagrams for printing. Binding Type Binding For Physical Copy: N/A (Digital PDF) Paper Type Paper Type For Physical Copy: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: M20B20 Engine Type: Inline 6-cylinder, SOHC Displacement: 1990 cc (2.0 Liters) Performance Horsepower: Approx. 125-129 hp (93-96 kW) at 6000 rpm (market dependent) Torque: Approx. 165-170 Nm (122-125 lb-ft) at 4300 rpm (market dependent) Fuel System Injection System: Bosch L-Jetronic or Motronic (likely L-Jetronic for early models, Motronic for later '89 variants) fuel injection Fuel Type: Unleaded Gasoline (RON 91 or higher recommended) Cooling System Coolant Type: Ethylene glycol-based coolant (e.g., BMW P/N 82 14 1 467 704 or equivalent blue coolant) Lubrication Oil Capacity: Approx. 4.25 liters (4.5 US quarts) with filter change Recommended Oil Viscosity: SAE 20W-50 or 15W-40 depending on climate (refer to manual for specific recommendations) 🔧 Transmission Standard Manual Transmission: Getrag 260, 5-speed manual Optional Automatic Transmission: ZF 4HP22, 4-speed automatic Features Clutch Type: Hydraulically operated single dry plate clutch Manual Transmission Fluid: GL-4 gear oil (e.g., Pentosin MTF.2 or equivalent) Automatic Transmission Fluid: Dexron-III/Mercon compatible ATF (e.g., Pentosin ATF 1 or equivalent) 📐 Dimensions Exterior Length: Approx. 4340 mm (170.9 in) Width: Approx. 1675 mm (65.9 in) Height: Approx. 1380 mm (54.3 in) Weights Curb Weight: Approx. 1200-1300 kg (2646-2866 lbs), depending on options and body style Wheelbase: Approx. 2570 mm (101.2 in) Wheels Tires Standard Wheel Size: 14 or 15 inch alloy wheels Standard Tire Size: 195/65HR14 or 195/60HR15 Bolt Pattern: 5x120 🛡️ Safety Features Ratings Crash Test Information: Official crash test ratings from the era are limited and vary by region. However, the E30 chassis was known for its robust safety cage construction and crumple zones. Active Features ABS: Anti-lock Braking System (ABS) was an optional feature on most 320i models of this year. Passive Features Seatbelts: 3-point inertia-reel seat belts for front occupants; lap belts for rear occupants (depending on market). Steering Column: Collapsible steering column for improved impact protection. 💡 Technology Features Infotainment Audio System: Basic analog radio and cassette player, often with optional amplifier and upgraded speaker systems. Driver Assistance Cruise Control: Optional cruise control system available on some models. Traction Control: ASC (Automatic Stability Control) was introduced later in the E30 lifecycle and may be present on some late-model 1989 E30s, though less common on the 320i. Connectivity Connectivity Features: No modern connectivity features like Bluetooth or USB. Communication was through the analog...