🏷️ Basic Information Identification Make: BMW Model: 528i Model Variant: 528 Year: 1985 Codes Chassis Code: E28 Engine Code Common: M30B28 👋 Introduction Market Position Positioning: Premium Executive Sedan Competitive Analysis Competitors 1985: Mercedes-Benz W124 E-Class, Audi 100/200, Volvo 740/760 Key Features Design Philosophy: Driving dynamics, build quality, understated luxury Target Demographic: Affluent professionals, driving enthusiasts 📋 Manual Details Coverage Areas Coverage Type: Complete Factory Service and Repair Page Count Estimated Page Count: Extensive (hundreds of pages) Manual Type Type: Factory Service Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul, diagnostics, timing, valve adjustments, lubrication system Engine Electrical: Ignition system, starting system, charging system, fuel injection control (L-Jetronic), diagnostics Fuel System: Bosch L-Jetronic fuel injection, fuel pump, injectors, fuel pressure regulator, diagnostics Transmission Manual: Repair, overhaul, clutch replacement, linkage adjustment Transmission Automatic: Repair, overhaul, fluid specifications, control adjustments (if applicable to 528i variant) Drivetrain: Driveshaft, CV joints, differential, axle shafts Suspension: Front and rear suspension components, struts, springs, bushings, alignment specifications Steering: Power steering system, pump, hoses, steering rack, tie rods, alignment Brakes: Front and rear brake systems (disc brakes), calipers, rotors, pads, master cylinder, ABS (if equipped), bleeding procedures Electrical System: Wiring diagrams, lighting system, accessory circuits, fuse box, relays, battery, starter, alternator HVAC: Heating, ventilation, and air conditioning system components, refrigerant, service procedures Body And Frame: Panel removal, door mechanisms, glass replacement, body repair specifications Interior: Seat removal, dashboard disassembly, trim panel replacement Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault code interpretation (for L-Jetronic) Repair: Component removal and installation, overhaul procedures, component-specific repair instructions Rebuild: Engine, transmission, and differential rebuild procedures Wiring Diagrams: Comprehensive, system-by-system wiring schematics Specifications: Torque specifications, clearances, fluid capacities, diagnostic values Technical Depth Depth: Comprehensive Factory Level (from basic maintenance to full engine rebuilds and complex electrical diagnostics) 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (assuming OCR quality) Print Quality Print Readability: High (suitable for printing individual pages or the entire manual) Binding Type Digital Binding: N/A (Downloadable PDF) Paper Type Digital Paper Type: N/A (Digital format) Completeness Completeness: Official Factory Manual, considered the most authoritative source ⚙️ Engine Specifications Primary Engine Engine Name: M30B28 (3.2L Inline-6) Engine Type: Naturally Aspirated, SOHC Inline-6 Displacement Cc: 2784 Bore X Stroke Mm: 86 x 96.8 Performance Horsepower Ps: 184 Horsepower Rpm: 5500 Torque Lb Ft: 207 Torque Rpm: 3500 Fuel System Fuel Injection System: Bosch L-Jetronic (Air Flow Meter controlled) Fuel Type: Unleaded Gasoline (Premium) Cooling System Coolant Capacity Liters: Approx. 10.5 Ignition System Ignition Type: Distributor-less electronic ignition with Hall sensor 🔧 Transmission Standard Type: 4-speed manual Getrag 260 Optional Type: 4-speed automatic ZF 4HP22 Features Clutch Type: Single dry plate, hydraulic actuation Fluid Specs Manual Transmission Fluid: BMW MTF LT-2 or equivalent (e.g., Pentosin ATF 1100) Automatic Transmission Fluid: Dexron III or equivalent (check specific ZF fluid) 📐 Dimensions Exterior Length Mm: 4620 Width Mm: 1700 Height Mm: 1380 Wheelbase Mm: 2795 Weights Curb Weight Kg: Approx. 1450-1500 (depending on transmission) Tires Standard Tire Size: 195/70 VR 14 Wheels Standard Wheel Size: 14x6.0 inches Bolt Pattern: 5x120mm Offset Et: ET22 🛡️ Safety Features Ratings Crash Test Era: Pre-modern crash test standards; focus on passive safety design Active Features Antilock Brakes: Optional ABS (Anti-lock Braking System) Passive Features Body Structure: Reinforced safety cell, crumple zones Steering Column: Collapsible steering column Seatbelts: Three-point inertia-reel seatbelts (front), two-point (rear, typically) 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional premium sound systems Driver Assistance Cruise Control: Standard or optional depending on trim level Connectivity Features: Basic by modern standards, focused on core automotive functions 🔧 Maintenance Service Intervals Oil Change Interval Km: Typically 10,000 - 15,000 km (check manual for specific recommendations) Spark Plug Replacement: Every 20,000 - 30,000 km (depending on plug type) Fluid Specifications Engine Oil Type Viscosity: API SG or SH, 15W-40, 10W-40 (check owner's manual for seasonal variations) Engine Oil Capacity Liters: Approx. 6.5 Coolant Type: Ethylene glycol-based antifreeze, BMW Blue or equivalent Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Wear Items: Front control arm bushings, rear trailing arm bushings, fuel pump, airflow meter calibration, vacuum leaks, coolant hoses, sway bar links Electrical Gremlins: Can occur due to aging wiring insulation and connector corrosion Engine Oil Consumption: Can increase with age and mileage, check for oil leaks and worn valve stem seals 📚 Vehicle History Brand Heritage Brand Focus: Sporty luxury, engineering excellence, performance sedans Model Evolution E28 Introduction: Introduced in 1981 as a successor to the E12 5 Series. E28 Facelift: Minor facelift in 1984 with larger bumpers, revised interior, and updated electronics. E28 Discontinuation: Replaced by the E34 5 Series in 1988. Production Production Period: 1981-1988 Manufacturing Locations: Germany...