🏷️ Basic Information Identification Make: BMW Model: 528i Model Variant: 528 Model Year: 1986 Codes Chassis Code: E28 Engine Code: M30B28 👋 Introduction Market Position Segment: Executive Sedan (Luxury Mid-size) Target Audience: Enthusiasts, independent repair shops, owners seeking to maintain and repair their classic BMW Competitive Analysis Competitors Era: Mercedes-Benz W124 E-Class, Audi 100/200, Jaguar XJ Key Features Vehicle Appeal: BMW's renowned driving dynamics, robust inline-six engine, and solid build quality. Manual Value Proposition Manual Benefit: Empowers owners to perform maintenance and repairs with confidence, reducing reliance on expensive dealership services. 📋 Manual Details Coverage Areas Primary Coverage: BMW 528i (E28) 1986 Model Year Page Count Estimated Pages: Hundreds (Specific count varies by digital distribution, but reflects full factory content) Manual Type Type: Factory Service Repair Manual (FSM) Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (M30B28), Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System Drivetrain: Transmission (Manual and Automatic), Driveshaft, Differential, Axles Chassis: Suspension (Front & Rear), Steering System, Brakes (Hydraulic, ABS if applicable) Electrical: Wiring Diagrams, Lighting, Instrumentation, Ignition Switch, Battery, Alternator, Starter, Power Windows, Central Locking Body: Body Panels, Doors, Hood, Trunk, Interior Trim, Seats, Glass Climate Control: Heating, Ventilation, Air Conditioning (HVAC) System Procedures Included Maintenance: Oil Change, Filter Replacement, Spark Plug Replacement, Fluid Checks and Replenishments, Belt Inspection and Adjustment Diagnostics: Troubleshooting Guides, Fault Code Identification (if applicable), Component Testing Procedures Repair: Engine Rebuild, Transmission Overhaul, Brake Caliper Replacement, Suspension Component Replacement, Electrical Component Repair/Replacement Adjustments: Valve Adjustments, Carburetor/Fuel Injection Adjustments, Brake Adjustment Special Tools: Identification and usage of BMW-specific or recommended special tools Technical Depth Depth: Comprehensive (covering all aspects from basic maintenance to full engine and transmission rebuilds) Diagnostic Level: Advanced (includes detailed diagnostic flowcharts and component-level testing) Rebuild Scope: Full engine and transmission rebuild specifications, including torque values, clearances, and assembly procedures 📊 Manual Specifications File Format Digital Format: PDF Print Quality Digital Quality: High resolution, suitable for printing individual pages or the entire manual Binding Type Print Binding: N/A (Digital Download) Paper Type Print Paper: N/A (Digital Download) Searchability Text Search: Likely text-searchable within PDF reader (depending on OCR quality) ⚙️ Engine Specifications Primary Engine Engine Code: M30B28 Engine Type: Inline-6 Cylinder, SOHC Displacement: 2.8 Liters (2784 cc) Performance Horsepower: Approx. 181 hp @ 5800 rpm (DIN) Torque: Approx. 230 Nm (169 lb-ft) @ 3500 rpm (DIN) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Fuel Requirements Octane Rating: Premium Unleaded Gasoline (91+ RON / 87+ AKI) Ignition System Type: Electronic Ignition (Distributor-based) 🔧 Transmission Standard Type: Getrag 260 5-Speed Manual Transmission Optional Type: ZF 4HP-22 4-Speed Automatic Transmission Features Clutch: Hydraulically Actuated Single Dry Plate Clutch (Manual) Fluid Type Manual Transmission Fluid: BMW approved gear oil (e.g., ATF Dextron II or equivalent for older specs) Automatic Transmission Fluid: BMW ATF Fluid (e.g., ATF Dextron III or equivalent) 📐 Dimensions Exterior Length: Approx. 4735 mm (186.4 in) Width: Approx. 1700 mm (66.9 in) Height: Approx. 1410 mm (55.5 in) Weights Curb Weight: Approx. 1450-1550 kg (3197-3417 lbs) depending on equipment Wheels Tires Standard Tire Size: 195/70VR14 or 205/60VR14 Wheel Bolt Pattern: 5x120 mm 🛡️ Safety Features Ratings Era Ratings: NHTSA and IIHS ratings from this era are less standardized than modern tests; focus is on passive safety features. Active Features Anti Lock Brakes: Optional ABS (Anti-lock Braking System) available on some models Passive Features Seatbelts: 3-point front seatbelts, 2-point rear seatbelts (later models may have 3-point rear) Body Structure: Reinforced safety cage, crumple zones Steering Column: Collapsible steering column 💡 Technology Features Infotainment Audio System: Factory fitted cassette player with AM/FM radio, optional CD player in later years. Display: Analog gauges for speedometer, tachometer, fuel, engine temp. Warning lights for various systems. Driver Assistance Cruise Control: Optional cruise control system. Connectivity Era Connectivity: Limited to antenna for radio. No modern connectivity options. 🔧 Maintenance Service Intervals Oil Change: Every 5,000-7,500 miles or 6-12 months (depending on driving conditions) Spark Plugs: Inspect every 15,000 miles, replace as needed (typically every 30,000 miles) Coolant Flush: Every 2 years or 30,000 miles Transmission Fluid: Manual: Inspect periodically, change every 60,000 miles. Automatic: Change fluid and filter every 30,000-50,000 miles. Fluid Specifications Engine Oil: SAE 15W-40 or 20W-50 (depending on climate), API SG or better. Capacity: Approx. 6.0 Liters (6.3 US Quarts) with filter. Coolant: 50/50 mix of BMW Blue Antifreeze/Coolant and distilled water. Brake Fluid: DOT 3 or DOT 4 compatible brake fluid. Known Issues Engine M30: Head gasket leaks, oil pan gasket leaks, valve stem seals, timing chain stretch (though generally robust). Electrical: Wiring harness degradation (especially insulation), idle control valve issues, alternator regulator failure. Suspension: Worn control arm bushings, ball joints, shock absorbers. Rust: Common areas include wheel arches, rocker panels, battery tray, and trunk floor. Filter Part Numbers Oil Filter: Examples: Mann-Filter W100/3,...