🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E30 Model Year: 1982 Codes Internal Model Code: E30 Powertrain Codes Covered: M10 (e.g., 318i, 320i), M20 (e.g., 323i, 325i) 👋 Introduction Market Position E30 Significance: The E30 generation (1982-1991) is a highly regarded platform for BMW, known for its sporty handling, robust engineering, and classic design. It cemented BMW's reputation in the compact executive sedan and coupe market. Competitive Analysis Key Competitors Era: Mercedes-Benz W201 (190E), Audi 80/90, Alfa Romeo 75, Volvo 240. Key Features Vehicle Appeal: The E30 3 Series is celebrated for its driver-focused experience, balanced chassis, and availability of potent engines, making it a favorite for both daily driving and motorsports. Manual Value Proposition: This manual provides essential, factory-level technical data crucial for maintaining and repairing these classic vehicles, ensuring longevity and optimal performance. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Workshop Scope: Comprehensive mechanical and electrical systems, bodywork, and troubleshooting. Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, diagnostics, fuel injection (K-Jetronic, L-Jetronic), ignition systems, cooling, lubrication. Transmission: Manual and automatic transmission repair, clutch replacement, driveline components, differential. Brakes: Hydraulic system, disc and drum brake service, ABS (if equipped on later E30s but primarily focused on pre-ABS for 1982). Suspension Steering: Front and rear suspension components (struts, control arms, bushings), steering rack, power steering. Electrical: Wiring diagrams, starter, alternator, battery, lighting, fuses, relays, instrument cluster, ECU troubleshooting. Body Chassis: Body panel removal/installation, door mechanisms, interior trim, chassis components, jacking points. Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, coolant flushes, brake fluid changes. Repair: Engine rebuild, transmission rebuild, brake caliper overhaul, suspension component replacement, electrical component repair. Troubleshooting: Diagnostic procedures for common drivability issues, electrical faults, and mechanical problems. Diagnostics: Step-by-step diagnostic flowcharts, fault code interpretation (where applicable for the era). Technical Depth Depth: In-depth, professional-level technical information suitable for mechanics and advanced DIY enthusiasts. Detail Level: Includes torque specifications, special tool requirements, assembly clearances, and detailed diagrams. 📊 Manual Specifications File Format PDF Quality: High-resolution, clear scans or digital rendition suitable for printing. Searchability: Likely text-searchable PDF for efficient information retrieval. Print Quality Printability: Designed for clear printing of text, diagrams, and illustrations. Binding Type Physical Binding: N/A (Digital PDF) Paper Type Physical Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Family 1982: M10 (4-cylinder, SOHC) and M20 (6-cylinder, SOHC). 1982 Engine Variants: 318i (M10B18), 320i (M10B20, or M20B20 in some markets), 323i (M20B23). Performance 318I Engine Output: Approx. 105 hp (77 kW) @ 5800 rpm; 155 Nm (114 lb-ft) @ 3200 rpm. 320I Engine Output: Approx. 125 hp (92 kW) @ 5800 rpm (M20B20); 170 Nm (125 lb-ft) @ 4500 rpm. 323I Engine Output: Approx. 143 hp (105 kW) @ 6000 rpm; 190 Nm (140 lb-ft) @ 4500 rpm. Fuel System Fuel Injection Type: Bosch K-Jetronic (CIS) for most M10 and early M20, some M20 variants may feature L-Jetronic or early Motronic. Fuel Requirement: Premium Unleaded Gasoline (91 AKI / 95 RON recommended). 🔧 Transmission Standard Standard Transmission: 4-speed or 5-speed manual gearbox (e.g., Getrag 245, Getrag 265). Optional Optional Transmission: ZF 3HP22 3-speed automatic transmission. Features Clutch Type: Single dry plate, hydraulically actuated. Manual Transmission Fluid: GL-4 gear oil (e.g., 75W-90 or 80W-90). Automatic Transmission Fluid: Dexron III (or equivalent specification for the ZF 3HP22). 📐 Dimensions Exterior Body Styles: 2-door sedan, 4-door sedan, convertible, touring (wagon) – though touring models were introduced later in the E30 lifecycle, the 1982 manual would primarily cover sedan and coupe. Wheelbase Approx: 2565 mm (101 inches) Weights Curb Weight Approx: 1150 - 1350 kg (2535 - 2976 lbs), depending on model and equipment. Gross Vehicle Weight Rating: Varies by model, consult specific vehicle data. Towing Capacity: Not typically recommended for significant towing. 🛡️ Safety Features Ratings Crash Test Era: Early E30 models predate modern standardized crash testing protocols like NCAP. Focus was on passive safety features available at the time. Active Features Braking System: Front ventilated discs, rear drums (standard). ABS optional on later models, not typical for 1982. Traction Control: Not available on 1982 models. Passive Features Seatbelts: 3-point front seatbelts with pre-tensioners (on some models/markets), 2-point rear lap belts. Airbags: Not available on 1982 models. Body Construction: Unitized body construction with front and rear crumple zones. 💡 Technology Features Infotainment Audio System: Factory-installed Bavaria C, C-II, or RDS stereo systems with cassette player. Basic radio and speaker configurations. On Board Computer: Optional On-Board Computer (OBC) offering basic trip data, diagnostics, and clock functions. Driver Assistance Cruise Control: Optional on some models. Instrument Cluster: Classic analog gauges including speedometer, tachometer, fuel level, and temperature. Check control panel for warning lights. Connectivity Connectivity Features: N/A. Vehicles of...