🏷️ Basic Information Identification Make: BMW Model: 528i Year: 1984 Codes Chassis Code: E28 Engine Code Primary: M30B28 👋 Introduction Market Position Positioning: The BMW 528i (E28) was positioned as a premium mid-size sports sedan, offering a blend of performance, luxury, and advanced engineering for its era. Competitive Analysis Competitors: Competed against vehicles like the Mercedes-Benz W124 E-Class, Audi 5000, and the higher-end models of the Saab 900 and Volvo 240 series. Key Features Highlights: Renowned for its inline-six engine, sophisticated handling, driver-focused interior, and build quality characteristic of BMW. 📋 Manual Details Coverage Areas Models Covered: All 1984 BMW 528i models, including all engine variants, trim levels, and transmission types. Page Count Estimated Page Count: 500+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel injection (Bosch L-Jetronic), ignition system, exhaust system, clutch, manual transmission, automatic transmission. Chassis: Suspension (front MacPherson strut, rear semi-trailing arm), steering system (power steering), brakes (front ventilated discs, rear discs), wheels and tires, driveline. Electrical: Wiring diagrams, battery, charging system, starting system, lighting, instruments, accessories, fuse/relay locations, electronic control units (ECU). Body: Body construction, exterior trim, interior trim, doors, windows, seats, HVAC system, body seals. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement. Repair: Engine overhaul, transmission repair, brake caliper rebuild, suspension component replacement, electrical component diagnosis and repair, body panel repair. Troubleshooting: Diagnostic procedures for engine performance issues, electrical faults, transmission problems, braking system anomalies. Diagnostics: Step-by-step diagnostic routines, fault code interpretation (where applicable for the era), testing procedures for various components. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Includes detailed torque specifications, clearances, and alignment procedures. 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF with clear images and diagrams. Print Quality Printability: Optimized for printing, with well-organized sections and legible text. Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, SOHC Displacement: 2.8 Liters (2788 cc) Bore X Stroke: 86.0 mm x 80.0 mm Compression Ratio: 8.0:1 or 9.3:1 (depending on market/spec) Performance Horsepower Gross: 182 hp @ 5800 rpm (approximate, market dependent) Torque Gross: 230 Nm (169 lb-ft) @ 4000 rpm (approximate, market dependent) Fuel System Induction: Bosch L-Jetronic (Lambda Sensor Controlled) Fuel Type: Unleaded gasoline Engine Management Ignition System: Distributorless electronic ignition (Dwell controlled by ECU) 🔧 Transmission Standard Type: 4-speed manual transmission Optional Type: 3-speed automatic transmission (ZF 4HP22) Features Clutch Type: Hydraulically operated single dry plate clutch Transmission Fluid Manual: BMW Synchromesh Oil (e.g., Castrol TAF-X or equivalent API GL-4) Transmission Fluid Automatic: Dexron III/Mercon ATF (or ZF Lifeguardfluid 5) 📐 Dimensions Exterior Length: 4620 mm (181.9 in) Width: 1700 mm (66.9 in) Height: 1410 mm (55.5 in) Wheelbase: 2795 mm (110.0 in) Weights Curb Weight: 1450 kg (3197 lbs) (approximate) Gross Vehicle Weight Rating: 1900 kg (4189 lbs) (approximate) Wheel Bolt Pattern: 5 x 120 mm Wheel Offset: ET 20 to ET 30 (typical) Tire Size Standard: 195/70VR14 or 205/55VR14 🛡️ Safety Features Ratings Crash Test Data: As a vehicle from 1984, formal crash test ratings comparable to modern standards (e.g., NHTSA, IIHS) are not readily available or directly applicable. Active Features Braking System: Anti-lock Braking System (ABS) - standard on later E28 models, potentially optional on early 1984 528i. Lighting: Halogen headlights, fog lights (optional/specific trims). Passive Features Seatbelts: Three-point inertia-reel seatbelts in the front and rear. Head Restraints: Adjustable front and rear head restraints. Body Structure: Reinforced passenger cell, crumple zones front and rear. 💡 Technology Features Infotainment Audio System: Factory-installed AM/FM radio with cassette player, often with upgraded speaker systems (e.g., Blaupunkt). Climate Control: Manual or automatic climate control systems, depending on trim level. Air conditioning system is R12 refrigerant based. Driver Assistance ABS: Anti-lock Braking System (ABS) was an advanced feature for its time, offering improved stopping control. Connectivity Connectivity Options: No modern connectivity options such as Bluetooth or USB. Communication reliant on radio/cassette player. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions. Consult manual for specific recommendations. Coolant Flush Interval: Every 2 years or 30,000 miles (48,000 km). Spark Plug Replacement Interval: Every 30,000 miles (48,000 km) for standard plugs, potentially longer for platinum/iridium if applicable. Timing Belt Replacement: The M30 engine uses a timing chain, not a belt. Chains typically require inspection for wear and stretching but not periodic replacement unless issues arise. Fluid Specifications Engine Oil Capacity: 6.5 Liters (6.9 US Quarts) with filter change. Engine Oil Viscosity: 10W-40 or 15W-40 is commonly recommended for this era. Consult manual for specific BMW approval. Coolant Type: Ethylene glycol-based antifreeze (typically a 50/50...