🏷️ Basic Information Identification Make: BMW Model: 3 Series Generation Code: E21 Year Covered: 1982 👋 Introduction Market Position Target Audience: BMW E21 owners, independent repair shops, automotive enthusiasts Value Proposition: Provides dealer-level repair and maintenance information, empowering users to perform repairs themselves. Competitive Analysis Differentiation: Vehicle-specific, factory-quality data, unlike generic repair guides. Key Features Centralization: All necessary information in a single, easy-to-use PDF manual. Convenience: Printable pages for on-site use, eliminates need for physical manuals. 📋 Manual Details Coverage Areas Models Covered: All BMW 3 Series (E21) models for 1982 Repair Scope: A-Z (All repairs) Page Count Estimated Page Count: Comprehensive (Exact count not specified, but implied to be extensive) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF File Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000), Mac Accessibility Requirements: Adobe PDF Reader, Winzip (Free) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel Service Specifications, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging, Auto Transmission, Clutch, Manual Transmission, Transfer Case, Propeller Shaft, Drive Shaft, Differential, Axle Chassis: Suspension, Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering Electrical Electronics: Electrical System, Wiring Schematics, Multiplex/CAN Communication, Meter, Audio/Visual, Cruise Control, Engine Immobilizer, Suppl. Restraint System (SRS), Seat Belt, Horn Body Interior: Air Conditioning, Wiper & Washer, Door Lock, Windshield/Glass/Mirror, Instrument Panel, Seat, Engine Hood/Door, Exterior & Interior Trim Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, lubrication Diagnostics: Troubleshooting guides, fault diagnosis, electrical system checks Repair: Step-by-step repair instructions for all major vehicle systems Rebuild: Complete rebuild procedures for engine, transmission, and other major components Installation: Installation procedures for various components and systems Technical Depth Depth: Factory-level detail, intended for technicians and experienced DIYers Documentation Type: Includes diagrams, illustrations, and wiring schematics 📊 Manual Specifications File Format PDF Quality: High resolution, allowing image blow-up for detailed viewing Searchability: Implied searchable text for easy navigation Print Quality Printability: All pages printable for workshop use Customization: Ability to print only required pages and diagrams Binding Type Binding: Digital (PDF) - eliminates physical wear and tear Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Options 1982: Likely includes variations of the M10 4-cylinder engine (e.g., 318i, 320i) and potentially the M20 6-cylinder engine (e.g., 323i). Performance Typical Power Output: Varies by engine variant. For instance, the M10 2.0L (M20B20) typically produced around 105-125 hp, while the M20B23 (2.3L) could produce around 143 hp. Typical Torque Output: Varies by engine variant. M20B20 around 160-180 Nm, M20B23 around 190-210 Nm. Fuel System Fuel Delivery: Likely features Bosch L-Jetronic or K-Jetronic fuel injection depending on the specific model and engine. Fuel Type: Unleaded gasoline Cooling Cooling System: Water-cooled, pressurized system with radiator, thermostat, and fan. Lube Oil Type: Refer to manual for specific viscosity grades (e.g., 20W-50 or 10W-40 depending on climate). Oil Capacity: Typically around 4.5 - 5.5 liters depending on engine variant. Consult manual for precise capacity. 🔧 Transmission Standard Transmission Type Standard: 4-speed manual transmission was common, with 5-speed manuals also available on certain models. Optional Transmission Type Optional: 3-speed or 4-speed ZF automatic transmission likely offered as an option. Features Clutch System: Hydraulically operated single-plate dry clutch. Fluid Specifications Manual Transmission Fluid: GL-4 gear oil, typically with viscosity of 75W-90 or 80W-90. Consult manual for precise specifications. Automatic Transmission Fluid: Dexron II or equivalent ATF. Consult manual for precise specifications. 📐 Dimensions Exterior Body Styles: Primarily 2-door sedan (coupe), with some markets potentially having 4-door sedan variants (though less common for E21). Weights Curb Weight: Approximately 1100-1250 kg depending on model and equipment. 🛡️ Safety Features Ratings Crash Safety: E21 generation predates standardized modern crash testing (e.g., Euro NCAP, NHTSA). Safety features would have been basic by today's standards. Active Features Active Safety: Four-wheel disc brakes (front ventilated), power-assisted steering (optional), independent suspension for good handling. Passive Features Passive Safety: Reinforced passenger cell, padded dashboard, optional seat belts (initially lap belts, later 3-point belts). 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, potentially with cassette player. Aftermarket head units are common upgrades. Driver Assistance Driver Assistance Features: Very limited by modern standards. Likely included power steering as an option. Connectivity Connectivity: None by modern definition. Communication relied on mechanical and basic electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions. Consult manual for exact intervals. Spark Plug Replacement: Around 20,000-30,000 miles (32,000-48,000 km) for standard plugs. Platinum or iridium plugs would have longer intervals if available/used. Coolant Flush: Every 2-3 years or as recommended by BMW. Consult manual. Fluid Specifications Coolant: Ethylene glycol based coolant, typically a 50/50 mix with distilled water. Refer to manual for specific BMW antifreeze type. Brake Fluid: DOT 3 or DOT 4 brake fluid. Consult manual for...