🏷️ Basic Information Identification Make: BMW Model: 528i Model Variant: 528 Year: 1987 Codes Chassis Code: E28 👋 Introduction Market Position Positioning: Luxury Sport Sedan Competitive Analysis Competitors: Mercedes-Benz W124 E-Class, Audi 100/200, Volvo 740/760 Key Features Driving Dynamics: Renowned for its balanced handling, rear-wheel drive, and driver-focused cockpit. Build Quality: Exceptional German engineering and build quality, characteristic of BMW's reputation. Performance Engine: Smooth and torquey M30 inline-six engine providing strong acceleration. 📋 Manual Details Coverage Areas Coverage Type: Complete Factory Service Repair Manual Page Count Estimated Pages: 500+ Manual Type Type: Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: M30B28 Engine (2.8L Inline-6) Fuel System: Bosch L-Jetronic Fuel Injection Ignition System: Electronic Ignition Cooling System: Radiator, Fan, Water Pump, Thermostat Exhaust System: Manifolds, Catalytic Converter, Mufflers Transmission Manual: Getrag 260 5-Speed Manual Transmission Automatic: ZF 4HP22 4-Speed Automatic Clutch: Hydraulic Clutch System Driveline: Rear Wheel Drive, Driveshaft, Differential, Axles Suspension Front: MacPherson Struts, Control Arms, Sway Bar Suspension Rear: Semi-Trailing Arms, Coil Springs, Shock Absorbers Steering: Recirculating Ball Power Steering Brakes Front: Vented Disc Brakes Brakes Rear: Disc Brakes Electrical System: 12V System, Alternator, Starter, Battery, Wiring Diagrams Lighting System: Headlights, Taillights, Interior Lighting Body And Chassis: Body Panels, Doors, Hood, Trunk, Frame Interior: Seats, Dashboard, Trim, HVAC Controls Heating Ventilation Air Conditioning: HVAC System Operation and Repair Restraint Systems: Seat Belts Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements Troubleshooting: Diagnostic Procedures, Fault Code Interpretation (where applicable) Repair: Component Removal, Installation, and Repair Rebuild: Engine, Transmission, and Differential Rebuild Procedures Adjustment: Valve Adjustment, Carburetor/Fuel Injection Tuning Calibration: Sensor Calibration (where applicable) Technical Depth Depth: Comprehensive: From basic maintenance to full engine/transmission rebuilds and advanced electrical diagnostics. 📊 Manual Specifications File Format Format Detail: PDF Print Quality Quality: High-Resolution, Printable Binding Type Binding: N/A (Downloadable PDF) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: M30B28 Engine Type: Naturally Aspirated Inline-6 Displacement: 2788 cc (2.8 Liters) Bore X Stroke: 86 mm x 96.8 mm Compression Ratio: 8.3:1 or 9.0:1 (depending on market/spec) Performance Horsepower Net SAE: 182 hp @ 5800 rpm Torque Net SAE: 230 Nm (169 lb-ft) @ 4000 rpm Fuel System Fuel Delivery: Bosch L-Jetronic Electronic Fuel Injection Fuel Type: Unleaded Gasoline Recommended Octane: 91 AKI or higher 🔧 Transmission Standard Transmission Type: Getrag 260 5-Speed Manual Optional Transmission Type: ZF 4HP22 4-Speed Automatic Features Manual Gear Ratios: Typical ratios: 1st 4.00:1, 2nd 2.12:1, 3rd 1.31:1, 4th 1.00:1, 5th 0.81:1, Reverse 3.55:1 Automatic Gear Ratios: Typical ratios: 1st 2.48:1, 2nd 1.48:1, 3rd 1.00:1, 4th 0.73:1 Clutch Type: Hydraulically Actuated Single Dry Plate Differential Type: Limited Slip Differential (Optional) 📐 Dimensions Exterior Length: 4755 mm (187.2 in) Width: 1700 mm (66.9 in) Height: 1410 mm (55.5 in) Wheelbase: 2795 mm (110.0 in) Weights Curb Weight: 1450-1550 kg (3197-3417 lbs) (approx.) 🛡️ Safety Features Ratings NHTSA Rating: Not rated under modern, standardized testing procedures. Active Features ABS: Anti-lock Braking System (ABS) Available on some models. Traction Control: Not commonly equipped. Passive Features Airbags: Driver's side airbag became standard in later E28 models, but not standard across the entire 1987 model year. Passenger airbag not available. Seatbelts: Three-point inertia-reel seatbelts front and rear. Crumple Zones: Designed with front and rear crumple zones for energy absorption. 💡 Technology Features Infotainment Audio System: Original systems typically featured cassette players with optional CD changers. Aftermarket upgrades are common. Driver Assistance Cruise Control: Electronic cruise control was available. Connectivity Connectivity Features: Limited by modern standards. Primarily focused on analog systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first (consult manual for specific recommendations based on driving conditions). Air Filter Replacement: Every 15,000-30,000 miles (24,000-48,000 km). Spark Plug Replacement: Every 30,000 miles (48,000 km) for standard plugs; platinum plugs may last longer. Coolant Flush: Every 2-3 years or 30,000-50,000 miles (48,000-80,000 km). Fluid Specifications Engine Oil Type: SAE 20W-50 or 15W-40 API SG or higher (check manual for precise viscosity and spec recommendations). Engine Oil Capacity: 5.7 Liters (6.0 US Quarts) with filter change. Coolant Type: BMW Blue Antifreeze (Ethylene Glycol based) mixed with distilled water (50/50 ratio). Transmission Fluid Manual: BMW MTF LT-2 or equivalent (e.g., Castrol Syntrans) - 75W-80 or 75W-90 GL-4. Transmission Fluid Automatic: Dexron III / Mercon or equivalent ATF fluid. Brake Fluid Type: DOT 3 or DOT 4. Power Steering Fluid Type: ATF Dexron III or BMW Power Steering Fluid. Known Issues Cooling System: Degradation of coolant hoses, water pump failure, and thermostat sticking are common due to age. Fuel System: Fuel pump failures, clogged injectors, and aging fuel lines are possible. Suspension: Worn control arm bushings, ball joints, and rear trailing arm bushings can lead to steering and handling issues. Electrical: Aging wiring harness insulation, dashboard warning...