🏷️ Basic Information Identification Make: BMW Model: 5-Series (E28) Variant: 528i Production Years: 1981-1988 Codes Chassis Code: E28 Engine Code Typical: M30B28 (2.8L Inline-6) 👋 Introduction Market Position Positioning: Premium executive sedan targeting discerning drivers Brand Image: Reputation for performance, luxury, and build quality Competitive Analysis Competitors: Mercedes-Benz W123/W124, Audi 5000, Jaguar XJ6 Key Differentiators: Superior driving dynamics, sophisticated engineering, inline-6 engine refinement Key Features Vehicle Focus: Performance, comfort, and driver engagement Manual Value Proposition: Empowers owners to maintain and repair their classic BMW, preserving value and performance 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, repair, and maintenance Secondary Coverage: Troubleshooting, diagnostics, electrical system diagrams Page Count Estimated Page Count: Comprehensive (exact count not specified, but implied to be extensive for full factory coverage) Manual Type Type: Factory Service Repair Manual (Workshop Manual) Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Full disassembly, assembly, timing, valve train, cylinder head, block, crankshaft, pistons, connecting rods Fuel System: Fuel injection system (Bosch L-Jetronic), fuel pump, injectors, fuel pressure regulator, throttle body Cooling System: Radiator, thermostat, water pump, coolant passages, fan, hoses Lubrication System: Oil pump, oil filter, oil pan, lubrication passages, oil pressure Ignition System: Distributor, spark plugs, ignition coils, control module (if applicable) Chassis: Suspension (front and rear), steering system, braking system (including ABS if equipped), driveshaft, differential Electrical System: Starter motor, alternator, battery, lighting, dashboard instruments, power windows, central locking, fuse box locations, relays Emission Control: Air injection system, catalytic converter, EGR system (if applicable), emission control related sensors and valves Body And Interior: Body panels, doors, windows, seats, trim components (general repair and adjustment) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups Repair: Step-by-step repair instructions for all major components and systems Troubleshooting: Diagnostic procedures for common problems, fault finding, troubleshooting charts Diagnostics: Inspection and testing procedures for various systems Rebuilds: Complete engine and transmission rebuild procedures Adjustments: Carburetor (if applicable), ignition timing, valve clearances, parking brake Technical Depth Depth: Comprehensive factory-level detail suitable for both DIY and professional mechanics Detail Level: Includes exploded views, detailed diagrams, torque specifications, and precise measurements 📊 Manual Specifications File Format Format: PDF Searchability: Text-searchable PDF Print Quality Printability: Printable without restriction Diagram Quality: Top quality diagrams and illustrations Binding Type Binding: Digital download (N/A for physical binding) Paper Type Paper: N/A (Digital PDF) Requirements Software Requirement: Adobe PDF Reader Delivery Delivery Method: Instant download ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 Cylinder Displacement: 2.8 Liters (2788 cc) Bore X Stroke: 86.0 mm x 98.0 mm (Typical for M30B28) Compression Ratio: 8.3:1 or 9.2:1 (Depending on variant/market) Valvetrain: SOHC (Single Overhead Camshaft), 2 valves per cylinder Performance Horsepower: 181 hp @ 5800 rpm (Approximate for M30B28) Torque: 230 Nm (169 lb-ft) @ 3500 rpm (Approximate for M30B28) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Fuel Type Recommendation: Unleaded Premium Gasoline Fuel Pump Type: In-tank electric fuel pump 🔧 Transmission Standard Transmission Type: 4-speed Manual (Getrag 265) Optional Transmission Type: 3-speed ZF 3HP22 Automatic Features Manual Gear Ratios: Specific ratios detailed in manual (e.g., 3.77:1 - 1st, 2.11:1 - 2nd, 1.40:1 - 3rd, 1.00:1 - 4th) Automatic Features: Torque converter lock-up, hydraulic control Fluid Type Manual Transmission Fluid: BMW Approved MTF LT-2 or equivalent (Refer to manual for exact spec and capacity) Automatic Transmission Fluid: ZF Lifeguardfluid 5 or equivalent (Refer to manual for exact spec and capacity) 📐 Dimensions Exterior Length: 4700 mm (185.0 in) Width: 1700 mm (66.9 in) Height: 1420 mm (55.9 in) Wheelbase: 2795 mm (110.0 in) Weights Curb Weight: Approx. 1480-1550 kg (3260-3417 lbs) depending on options 🛡️ Safety Features Ratings Crash Test Ratings: No standardized ratings from modern bodies like NHTSA/Euro NCAP were common for this era; structural integrity generally considered robust for its time. Active Features ABS: Optional ABS (Anti-lock Braking System) available on some models Passive Features Seatbelts: 3-point inertia-reel seatbelts Headrests: Front and rear headrests Safety Cage: Reinforced passenger safety cell 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, often with upgrade options for higher trim levels Dashboard: Classic analog gauges for speed, RPM, fuel, temperature, oil pressure; driver information system on some later models Driver Assistance Cruise Control: Optional cruise control system Connectivity Connectivity Features: N/A by modern standards; focus on core automotive engineering 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000-7,500 miles (8,000-12,000 km) or annually (refer to manual for specific guidance) Spark Plug Replacement: Approximately 20,000-30,000 miles (30,000-50,000 km) Coolant Flush: Every 2 years or 30,000 miles (48,000 km) Fluid Specifications Engine Oil Type: API SG or SH, SAE 10W-40 or 15W-50 (Refer to manual for exact viscosity based on temperature) Engine Oil Capacity: Approx. 6.5 liters (6.9 US quarts) with filter change Coolant Type: BMW Blue Antifreeze/Coolant or equivalent ethylene...