🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Variant: 528, 528i Production Years Covered: 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988 Codes Chassis Code: E28 👋 Introduction Market Position Market Segment: Executive/Luxury Sedan Competitive Analysis Key Competitors: Mercedes-Benz W123/W124, Audi 5000, Volvo 240/740, Cadillac Seville, Lincoln Continental. Key Features Design Philosophy: Performance-oriented luxury, robust engineering, driver engagement, sophisticated yet understated styling. Target Audience: Discerning drivers valuing performance, build quality, and driving dynamics in a luxury sedan. 📋 Manual Details Coverage Areas General Coverage: Comprehensive workshop service and repair for BMW 528 and 528i models (E28 chassis) from 1981-1988. Page Count Page Count: 227 pages Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, valve train, crankshaft, pistons, connecting rods, lubrication system, cooling system, fuel injection system (Bosch L-Jetronic/Motronic for 528i), ignition system, emission control systems. Engine Management: Diagnosis and repair of Motronic fuel injection and ignition control systems, sensors, actuators, and ECU troubleshooting. Transmission Manual: Removal, disassembly, inspection, and reassembly of manual transmissions (Getrag 260). Transmission Automatic: Diagnosis and repair procedures for ZF 4 HP 22 automatic transmission, including hydraulic control, torque converter, and shift solenoids. Drivetrain: Driveshaft, universal joints, differential, rear axle assembly, wheel bearings. Suspension: Front suspension (MacPherson struts), rear semi-trailing arm suspension, springs, shock absorbers, control arms, sway bars, bushings. Steering: Power steering system, steering rack, steering column, troubleshooting hydraulic leaks and assist issues. Brakes: Front and rear disc brakes, brake calipers, brake pads, brake rotors, master cylinder, brake booster, ABS (Anti-lock Braking System) troubleshooting and component replacement (if equipped). Electrical System: Battery, alternator, starter motor, lighting system, fuses, relays, wiring diagrams, instrument cluster, power windows, central locking. Climate Control: HVAC system, blower motor, heater core, air conditioning system (compressor, condenser, evaporator, refrigerant charging), climate control panel. Body And Trim: Body panel removal and installation, door mechanisms, glass replacement, interior trim components. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel), spark plug replacement, coolant flush, brake fluid flush, transmission fluid change, differential fluid change. Troubleshooting: Diagnostic procedures for common drivability issues, electrical faults, starting problems, cooling system leaks, and braking system malfunctions. Major Repairs: Engine overhaul, cylinder head gasket replacement, clutch replacement, transmission rebuild, brake system overhauls, suspension component replacement. Component Replacement: Step-by-step instructions for replacing major components like alternators, starters, fuel pumps, radiators, water pumps, CV joints, and brake components. Electrical Diagnostics: Utilizing wiring diagrams for tracing electrical faults, testing circuits, and diagnosing component failures. Technical Depth Depth Level: Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics and ABS system repair. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality Expectation: High resolution, suitable for printing individual pages or the entire manual. Clear text and legible diagrams. Binding Type Binding Type: N/A (Digital PDF format) Paper Type Paper Type Recommendation: N/A (Digital PDF format, intended for screen viewing or on-demand printing) ⚙️ Engine Specifications Primary Engine Engine Code 528: M30B34 (inline-six) Engine Displacement 528: 3.4 liters (3,430 cc) Engine Configuration: Inline 6-cylinder, DOHC (Double Overhead Camshaft) Bore X Stroke 528: 92 mm x 86 mm Compression Ratio 528: 8.0:1 or 8.5:1 (depending on market/year) Fuel System 528: Bosch L-Jetronic (early models), Bosch Motronic (later models). Performance Horsepower 528: Approximately 182-189 hp @ 5,500 rpm Torque 528: Approximately 214-220 lb-ft @ 3,000-3,500 rpm Fuel System Fuel Type: Unleaded gasoline Recommended Octane: Premium (91+ RON / 87+ AKI) 🔧 Transmission Standard Standard Transmission Type: 5-speed manual (Getrag 260) Optional Optional Transmission Type: 4-speed automatic (ZF 4 HP 22) Features Clutch Type: Single dry plate (manual transmission) 📐 Dimensions Exterior Wheelbase: 104.3 inches (2649 mm) Length: 188.6 inches (4790 mm) Width: 68.5 inches (1739 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight Approx: 3,200 - 3,400 lbs (1450 - 1540 kg) Gross Vehicle Weight Rating Approx: 4,200 lbs (1905 kg) 🛡️ Safety Features Ratings Crash Test Data Availability: Limited official crash test data for this era of vehicle; relied on internal BMW testing and engineering. Active Features ABS Availability: Optional on some models, standard on later models or specific trims. Passive Features Seatbelts: Three-point inertia-reel front seatbelts, two-point lap belts for rear passengers. Body Structure: Reinforced passenger safety cell, crumple zones, side-impact protection beams. 💡 Technology Features Infotainment Audio System: Factory-installed cassette player with AM/FM radio. Optional CD player in later years. Speaker quality was considered good for the era. Driver Assistance ABS: Anti-lock Braking System (ABS) was available as an option and became more common in later production years. Connectivity Connectivity Features: Limited to analog systems of the era; no digital connectivity or Bluetooth. Power windows, central locking were premium features. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000 -...