🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Variant: 528 / 528i Production Years: 1981-1988 Codes Chassis Code: E28 👋 Introduction Market Position Vehicle Class: Executive/Luxury Sedan Target Audience: Automotive enthusiasts, DIY mechanics, professional repair shops specializing in classic BMWs. Competitive Analysis Competitors 1980S: Mercedes-Benz W123/W124, Audi 5000, Volvo 240/740, Cadillac DeVille, Lincoln Town Car. Key Features Vehicle Philosophy: Focus on driving dynamics, build quality, and understated luxury, a hallmark of BMW's 'Ultimate Driving Machine' ethos. Manual Value Proposition: Provides essential information for owners and technicians to maintain, diagnose, and repair the E28 5 Series, preserving its performance and longevity. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual Language: English Format: PDF Included Years: 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988 Page Count Page Count: 227 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul, timing, valve adjustments, piston/ring replacement, crankshaft, camshaft, oil pump, cylinder head, block. Engine Management: L-Jetronic fuel injection system diagnosis and repair, ignition system, ECU troubleshooting. Transmission Manual: Overhaul and repair of 5-speed manual gearbox, clutch assembly, driveshafts. Transmission Automatic: Diagnosis and repair of ZF 4HP22 automatic transmission, fluid service, valve body troubleshooting. Suspension: Front and rear suspension component replacement (struts, shocks, control arms, bushings), alignment specifications. Brakes: Front and rear disc brake systems, ABS (Anti-lock Braking System) diagnosis and repair, hydraulic system bleeding. Steering: Power steering system diagnosis and repair, steering rack, tie rods, pump. Electrical System: Comprehensive wiring diagrams, charging system (alternator, battery), starting system, lighting, instrumentation, fuses, relays. Fuel System: Fuel pump, fuel filter, fuel injectors, fuel pressure regulator, fuel tank. Cooling System: Radiator, water pump, thermostat, hoses, heater core, fan operation. Exhaust System: Catalytic converter, mufflers, pipes, heat shields, mounting hardware. Body And Chassis: Panel repair, door mechanisms, window regulators, trim removal and installation, rust prevention. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspections. Troubleshooting: Systematic diagnostic procedures for common drivability issues, electrical faults, and mechanical problems. Engine Rebuild: Step-by-step instructions for complete engine disassembly, inspection, part replacement, and reassembly. Brake Service: Brake pad and rotor replacement, caliper service, brake line replacement, bleeding procedures. Transmission Service: Fluid and filter changes for automatic transmissions, clutch replacement for manual transmissions. Electrical Component Replacement: Alternator, starter, battery, ignition coil, fuel injector replacement. Suspension Component Replacement: Shock absorber, strut, ball joint, control arm replacement. Tune Up Procedures: Spark plug gap and replacement, ignition timing adjustment, fuel filter replacement. Heating And Air Conditioning: Component diagnosis and replacement (compressor, evaporator, heater core), refrigerant handling (general guidance). Technical Depth Depth Level: Comprehensive: covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostics and wiring diagrams. 📊 Manual Specifications File Format File Format: PDF Searchable Text: Yes Printable: Yes Resolution: High-quality scans suitable for clear reading and printing. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code 528I: M30B28 Engine Type: Inline 6-cylinder, SOHC Displacement: 2.8 liters (2788 cc) Bore X Stroke: 86 mm x 80 mm Performance Horsepower 528I: 181 hp @ 5800 rpm (approx.) Torque 528I: 230 Nm (169 lb-ft) @ 3500 rpm (approx.) Fuel System Fuel Injection System: Bosch L-Jetronic (later models may feature Motronic) Fuel Type: Unleaded Premium Gasoline Ignition System Ignition Type: Distributorless ignition system (DIS) or distributor with electronic control depending on exact model year and region. 🔧 Transmission Standard Standard Transmission: 4-speed manual (Getrag 265) Optional Optional Transmission: ZF 4HP22 4-speed automatic Features Clutch Type: Hydraulically actuated single dry plate Automatic Transmission Features: Lock-up torque converter, sport/economy modes on some variants. 📐 Dimensions Exterior Length: Approx. 4,700 mm (185.0 in) Width: Approx. 1,700 mm (66.9 in) Height: Approx. 1,415 mm (55.7 in) Wheelbase: Approx. 2,795 mm (110.0 in) Weights Curb Weight: Approx. 1,400-1,500 kg (3,086-3,307 lbs), varies with options. 🛡️ Safety Features Ratings Crash Test Data: No standardized NCAP ratings from this era. Historical data suggests robust construction for its time. Active Features Active Safety Features: ABS (Anti-lock Braking System) available on later models or as an option. Passive Features Passive Safety Features: Reinforced chassis, safety door beams, padded interior, three-point seatbelts (front). 💡 Technology Features Infotainment Infotainment System: Basic analog radio with cassette player, optional premium sound system. On-Board Computer (OBC) with basic trip functions and diagnostics. Driver Assistance Driver Assistance Features: ABS available on some models, primarily focused on mechanical and electronic feedback rather than active electronic intervention. Connectivity Connectivity Features: Limited to antenna for radio. No Bluetooth or modern connectivity. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 miles (8,000 - 12,000 km) or annually, depending on driving conditions and oil used. Filter Replacement Interval: Oil filter with every oil change. Air filter and fuel filter typically every 15,000 - 30,000 miles (24,000 - 48,000 km)....