🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E28 Model Variants: 528e, 533i Model Year: 1983 👋 Introduction Market Position Target Audience: Technicians, mechanics, DIY enthusiasts, and anyone seeking to repair or understand the BMW E28 5 Series. Value Proposition Key Selling Points: Low price, great quality, instant access, comprehensive coverage, factory data. 📋 Manual Details Coverage Manual Type: Electronic Troubleshooting Manual / Factory Service Repair Manual Language: English Coverage Areas: General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, Heater/Air Conditioner, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Service Repair: Detailed procedures for engine disassembly, inspection, assembly, and adjustment for both 528e and 533i models. Fuel Injection System: In-depth coverage of the Bosch L-Jetronic (528e) and Motronic (533i) fuel injection systems, including component testing, troubleshooting, and calibration. Electrical System: Comprehensive electrical system diagnosis, including component identification, testing procedures, and troubleshooting guides for all circuits. Wiring Diagrams: Complete and detailed wiring schematics for all vehicle electrical systems, color-coded for clarity. Transmission Service Repair: Procedures for manual and automatic transmission servicing, repair, and overhaul. Brake System: Detailed information on brake system components, maintenance, repair, and bleeding procedures. Suspension Steering: Maintenance and repair procedures for front and rear suspension, steering system components, and alignment specifications. Cooling Fuel Emission Systems: Coverage of cooling system maintenance, fuel delivery, and emission control systems. Chassis Body Interior Restraint: Information on chassis and body repair, interior trim, and restraint system components. Procedures Included Troubleshooting: Specific diagnostic procedures and fault finding charts for common and complex electronic and mechanical issues. Periodic Maintenance: Detailed schedules and procedures for routine maintenance tasks like oil changes, filter replacements, and fluid checks. Repair Procedures: Step-by-step instructions for a wide range of repair tasks, from minor adjustments to major component overhauls. Technical Depth Depth: Factory-level technical data, diagnostic procedures, and repair specifications. 📊 Manual Specifications File Details Print Quality: High quality, printable pages. Compatibility: All Versions of Windows & Mac. Requirements: Adobe PDF Reader & WinZip. Delivery Method: Instant Download ⚙️ Engine Specifications 528E Engine Code: M20B27 Engine Type: 2.7L Inline-6, SOHC, Low-Compression Fuel System: Bosch L-Jetronic Fuel Injection Horsepower Est: 121 hp @ 4800 rpm Torque Est: 170 lb-ft @ 3000 rpm 533I Engine Code: M30B32 Engine Type: 3.2L Inline-6, SOHC, High-Compression Fuel System: Bosch Motronic Fuel Injection Horsepower Est: 182 hp @ 5500 rpm Torque Est: 224 lb-ft @ 3500 rpm 🔧 Transmission Drivetrain Layout: Rear-Wheel Drive (RWD) Availability Manual Transmission: Optional (e.g., Getrag 260 5-speed) Automatic Transmission: Standard (e.g., ZF 4HP22 4-speed) 📐 Dimensions Exterior Length E28 528E 533I: Approx. 188.2 inches (4780 mm) Exterior Width E28 528E 533I: Approx. 68.3 inches (1735 mm) Exterior Height E28 528E 533I: Approx. 55.5 inches (1410 mm) Wheelbase E28 528E 533I: Approx. 104.4 inches (2650 mm) Weights Curb Weight Est 528E: Approx. 3350 lbs (1520 kg) Curb Weight Est 533I: Approx. 3450 lbs (1565 kg) 🛡️ Safety Features Passive Features Seat Belts: Three-point inertia-reel seat belts Head Restraints: Adjustable front and rear head restraints Crumple Zones: Designed with front and rear crumple zones for energy absorption 💡 Technology Features Infotainment Radio System: Often equipped with an optional AM/FM stereo radio with cassette player. Digital tuning was available on higher-end units. Climate Control HVAC System: Manual or optional automatic climate control for heating and air conditioning. Engine Management ECU Type: Early electronic engine control units (ECUs) managing fuel injection and ignition timing. 🔧 Maintenance Service Intervals Oil Change Frequency: Typically every 5,000-7,500 miles or annually, depending on driving conditions. Spark Plug Replacement: Refer to manual, typically around 30,000 miles for older types. Fluid Specifications Engine Oil Type 528E: API SG/SH, SAE 15W-40 or 20W-50 (check manual for specific viscosity based on temperature). Engine Oil Type 533I: API SG/SH, SAE 15W-40 or 20W-50 (check manual for specific viscosity based on temperature). Coolant Type: Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. BMW Blue coolant may be specified. Transmission Fluid Automatic: ATF Dexron-III or equivalent. Transmission Fluid Manual: GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90. Known Issues Wiring Harness Degradation: Age-related degradation of the wiring harness, particularly insulation, can lead to electrical faults. Fuel Injector Issues: Clogging or failure of fuel injectors, especially in the L-Jetronic systems. Rust Prone Areas: Common rust areas include wheel arches, rocker panels, and around the battery tray. O2 Sensor Failure: Oxygen sensor failure can impact fuel economy and emissions. Part Numbers Example Oil Filter 528E 533I: BMW Part Number: 11 42 1 269 272 (or equivalent Mahle OX106, Mann W930/21) Air Filter 528E 533I: BMW Part Number: 13 72 1 266 267 (or equivalent Mann C23145) 📚 Vehicle History Brand Heritage Bmw Philosophy: Known...