🏷️ Basic Information Identification Make: BMW Model: 5-Series Chassis Code: E28 Model Variant: 528i Production Years: 1981-1988 👋 Introduction Market Position Class Segment: Executive Sedan Target Market: Affluent individuals seeking a blend of luxury, performance, and engineering prowess. Competitive Analysis Key Competitors: Mercedes-Benz W123/W124, Audi 100, Jaguar XJ6. Key Features Design Philosophy: Understated elegance, driver-focused ergonomics, robust engineering. Reputation: Known for its superior handling, build quality, and reliable straight-six engines. 📋 Manual Details Coverage Areas Coverage Scope: Full Service and Repair Target Audience: DIY enthusiasts and professional mechanics Page Count Page Count: Not specified, but described as comprehensive. Manual Type Manual Type: Service Repair Manual Language Language: English Format File Format: PDF Delivery Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Complete engine service, overhaul, troubleshooting, tuning. Fuel System: Fuel injection system (Bosch L-Jetronic), fuel pump, injectors, fuel lines, fuel tank. Ignition System: Ignition timing, spark plugs, coils, distributor, electronic control unit (ECU). Cooling System: Radiator, fan, water pump, thermostat, coolant hoses, heater core. Exhaust System: Exhaust manifold, catalytic converter (if applicable for region/year), muffler, exhaust pipes. Transmission: Manual and Automatic transmission service, repair, fluid changes, clutch operation. Drivetrain: Driveshafts, CV joints, differential, rear axle. Suspension: Front and rear suspension components, shock absorbers, struts, control arms, bushings, springs. Steering: Steering rack, power steering pump, steering column, tie rods. Brakes: Front and rear disc brakes, brake calipers, master cylinder, brake lines, parking brake. Electrical System: Battery, alternator, starter motor, wiring diagrams, lighting, fuses, relays, dashboard instrumentation. Climate Control: Heater, ventilation, air conditioning (HVAC) system components and service. Body And Chassis: Body panel repair, door mechanisms, glass replacement, chassis lubrication, rust prevention. Diagnostic Troubleshooting: Systematic troubleshooting guides for common and uncommon problems. Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, tune-ups, belt replacement. Repair: Step-by-step repair instructions for all major mechanical and electrical components. Overhaul: Complete engine and transmission overhaul procedures. Disassembly Reassembly: Detailed instructions for complete disassembly and reassembly of components. Technical Specifications: Torque values, clearances, fluid capacities, electrical resistance values. Wiring Diagrams: Comprehensive electrical system wiring diagrams for all systems. Technical Depth Depth: In-depth technical information, suitable for complete rebuilds. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Zoom Functionality: YES Binding Type Binding: Digital Download (PDF) Paper Type Paper Type: N/A (Digital) Requirements Software Requirements: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Code: M30B32 (likely for the 528i, though E28 also used M30B28) Engine Type: SOHC Inline 6-Cylinder Displacement: 2.8 Liters (2788 cc) or 3.2 Liters (3200 cc) depending on specific model year and market. Performance Horsepower: Approx. 181 hp @ 5800 rpm (for M30B32) or 170 hp @ 5800 rpm (for M30B28). Torque: Approx. 214 lb-ft @ 3500 rpm (for M30B32) or 195 lb-ft @ 3500 rpm (for M30B28). Fuel System Fuel Injection: Bosch L-Jetronic electronic fuel injection. Fuel Type: Unleaded Gasoline Engine Management ECU: Engine Control Unit (ECU) for fuel and ignition management. 🔧 Transmission Standard Standard Transmission: 4-speed or 5-speed manual transmission (Getrag 260). Optional Optional Transmission: ZF 4HP22 4-speed automatic transmission. Features Clutch Type: Hydraulically actuated single dry plate clutch (manual). 📐 Dimensions Exterior Length: Approx. 191.1 inches (4854 mm) Width: Approx. 68.2 inches (1732 mm) Height: Approx. 54.3 inches (1380 mm) Weights Curb Weight: Approx. 3300-3500 lbs (1497-1588 kg), varying by equipment. Wheelbase: Approx. 108.7 inches (2760 mm) 🛡️ Safety Features Ratings Crash Test Data: Early models predated modern comprehensive crash testing standards. Known for solid construction. Active Features ABS: Optional Anti-lock Braking System (ABS) available on later models. Passive Features Seatbelts: Three-point front seatbelts, two-point rear seatbelts (upgradeable to three-point). Headrests: Adjustable front headrests, rear headrests dependent on trim. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo cassette player with optional premium sound system. Climate Control: Manual climate control with optional air conditioning. Driver Assistance ABS Availability: Optional on later models. Connectivity Original Connectivity: Limited by era; primarily radio and speaker connectivity. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months, depending on driving conditions. Spark Plug Replacement: Approximately every 20,000-30,000 miles. Timing Belt Replacement: Not applicable, uses a timing chain. Fluid Specifications Engine Oil Type: API SG/SH rated, SAE 20W-50 or 15W-40 for most conditions (refer to manual for specific climate recommendations). Engine Oil Capacity: Approx. 5.5 Liters (5.8 US Quarts) with filter change. Coolant Type: BMW Blue Antifreeze/Coolant or equivalent (ethylene glycol based) at a 50/50 mix with distilled water. Transmission Fluid Type Manual: GL-4 SAE 75W-90 or 80W-90 gear oil. Transmission Fluid Type Automatic: Dexron III ATF or equivalent. Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Known Issues Common Issues: Cooling system leaks (hoses, radiator), vacuum hose deterioration, fuel distributor issues, rust in common areas (wheel wells, rockers), wear on suspension...