🏷️ Basic Information Identification Make: BMW Model: 528i Year: 1986 Generation Chassis Code: E28 Codes Engine Code Primary: M30B28 👋 Introduction Market Position Era: Mid-1980s luxury/performance sedan Target Audience: Enthusiasts and owners seeking in-depth maintenance and repair knowledge Competitive Analysis Competitors: Mercedes-Benz W124, Audi V8, Jaguar XJ6 Key Features Engine Smoothness: Known for the robust and smooth M30 inline-six engine Handling: Renowned BMW 'Ultimate Driving Machine' characteristics Build Quality: High-quality materials and construction typical of BMW Manual Value Proposition: Essential for maintaining and repairing a classic BMW, preserving its performance and value 📋 Manual Details Coverage Areas All Models Engines Trims Transmissions: Yes Page Count Estimated Pages: 600+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, timing, seals, gaskets Fuel System: Bosch LE-Jetronic fuel injection system, fuel pump, injectors, pressure regulator Ignition System: Electronic ignition, coil, distributor, spark plugs Transmission Manual: Clutch, gearbox overhaul, shift linkage, lubrication Transmission Automatic: ZF 4HP22 overhaul, valve body, torque converter, fluid Drivetrain: Driveshafts, universal joints, rear axle, differential Suspension Front: MacPherson struts, control arms, ball joints, bushings, sway bar Suspension Rear: Semi-trailing arms, shock absorbers, springs, bushings, sway bar Steering: Power steering system, steering box, pump, hoses, linkage Brakes Front: Ventilated discs, calipers, pads, brake lines Brakes Rear: Solid discs, calipers, pads, brake lines Electrical System Charging: Alternator, voltage regulator, battery, wiring Electrical System Lighting: Headlights, taillights, interior lighting, fuses Electrical System Instruments: Instrument cluster, gauges, warning lights Climate Control: Heater core, ventilation system, AC components (if equipped), controls Bodywork Exterior: Body panel alignment, door mechanisms, glass replacement, trim Bodywork Interior: Seat removal, dashboard disassembly, trim panels Procedures Included Routine Maintenance: Oil change, filter replacement, tune-ups, inspections Troubleshooting Diagnostics: Step-by-step diagnostic charts for various systems and common faults Engine Repair: Head gasket replacement, piston ring replacement, valve adjustments Fuel System Repair: Injector cleaning/replacement, fuel pump testing, regulator adjustment Transmission Overhaul: Complete rebuild procedures for both manual and automatic transmissions Brake System Service: Brake pad/disc replacement, caliper servicing, bleeding Electrical Component Replacement: Alternator, starter motor, ignition coil, sensors Suspension Component Replacement: Struts, shocks, control arms, bushings Steering System Repair: Power steering pump replacement, steering box adjustments Body Panel Replacement: Door hinge adjustment, fender replacement Technical Depth Depth: Comprehensive mechanical and electrical repair, detailed diagnostics, and rebuild procedures 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Printability: Printable pages Print Quality Resolution: High-resolution scans Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-six, naturally aspirated Displacement: 2.8 Liters (2788 cc) Bore X Stroke: 86 mm x 80 mm Compression Ratio: 8.8:1 Performance Horsepower: 184 hp @ 5800 rpm (approx.) Torque: 230 Nm @ 4000 rpm (approx.) Fuel System Fuel Delivery: Bosch LE-Jetronic electronic fuel injection Fuel Type: Unleaded gasoline Engine Management ECU: Motronic (early version) 🔧 Transmission Standard Type: 4-speed Manual (Getrag 260/5) Optional Type: 4-speed Automatic (ZF 4HP22) Features Clutch: Hydraulic actuation Automatic Features: Lock-up torque converter, sport mode Fluid Type Manual Transmission Fluid: BMW MTF LT-2 or equivalent (e.g., Pentosin MTF) Fluid Type Automatic Transmission Fluid: Dexron III (or later compatible) 📐 Dimensions Exterior Length: 4725 mm (186.0 in) Width: 1700 mm (66.9 in) Height: 1415 mm (55.7 in) Wheelbase: 2795 mm (110.0 in) Weights Curb Weight: 1450 kg (3197 lbs) approx. 🛡️ Safety Features Ratings Crash Testing Era Context: Standards of the era; limited modern standardized testing Active Features ABS: Optional ABS (Anti-lock Braking System) Passive Features Seatbelts: 3-point front seatbelts, rear seatbelts Body Structure: Reinforced passenger cell 💡 Technology Features Infotainment Radio: Factory AM/FM stereo with cassette player (upgrades common) Speakers: Multi-speaker system Driver Assistance ABS: Available ABS system Connectivity Connection Ports: N/A (era-appropriate technology) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months (recommend checking manual) Spark Plug Replacement: Typically every 30,000 miles Coolant Flush: Every 2 years or 30,000 miles Fluid Specifications Engine Oil: 10W-40 or 20W-50 (API SG or higher, BMW LL-98 spec recommended) Coolant: BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol-based coolant Brake Fluid: DOT 4 Known Issues Engine Oil Leaks: Valve cover gasket, oil pan gasket, front/rear main seals Cooling System: Plastic expansion tank cracks, water pump failure, thermostat issues Suspension: Worn bushings (control arm, trailing arm), ball joint wear Electrical: Fuse box corrosion, headlight switch failure, wiring harness degradation Fuel System: Fuel accumulator failure, injector clogging, fuel pump wear 📚 Vehicle History Brand Heritage Bmw Philosophy: Focus on engineering, performance, and driver engagement Model Evolution E28 Introduction: Introduced in 1981 as the successor to the E12 5 Series E28 Features: Improved aerodynamics, updated suspension, more advanced engines E28 Variants: Included 525e, 528e, 535i, M535i, and the legendary E28 M5 Production Production Years: 1981-1988 Manufacturing Locations: Germany 🏆 Awards & Recognition...