🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Variants: E28 528e, E28 535i Year: 1985 Codes Chassis Code: E28 👋 Introduction Market Position Target Audience: Technicians, Mechanics, Car Enthusiasts, Owners seeking in-depth repair knowledge Competitive Analysis Value Proposition: Comprehensive electronic troubleshooting and factory repair data at a competitive price with instant access. Key Features Focus Area: Electronic systems troubleshooting and comprehensive repair procedures. Content Accuracy: Maintains original manufacturer technical data. Accessibility: Instant download and digital format for immediate use. 📋 Manual Details Coverage Areas Systems Covered: 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 Conditioning, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle Page Count Estimated Page Count: Thousands (Printable) Manual Type Manual Type: Electronic Troubleshooting Manual / Factory Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download Compression Format: WinZip (for larger files) Software Requirements: Adobe PDF Reader Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Management: Fuel Injection, Engine Control System, Emission System Drivetrain: Transmission Service/Repair, Differential/Drive, Axle Chassis: Brake System, Suspension, Steering Electrical Electronics: Electrical System, Wiring Diagram, Engine Control System Comfort Convenience: Heater/Air Conditioning, Interior Bodywork Chassis: Chassis/Body, Restraint System, Interior Procedures Included Diagnostic Procedures: Troubleshooting, Fault Code Analysis, Electrical Circuit Tracing Maintenance Procedures: General Maintenance, Periodic Lubrication, Fluid Checks and Changes, Filter Replacements, Tune-ups Repair Procedures: Engine Overhaul, Transmission Rebuild, Brake Component Replacement, Suspension Component Installation, Steering System Repair, Cooling System Servicing, Fuel System Servicing, Electrical Component Repair Lubrication Procedures: Periodic Lubrication schedules and specifications. Technical Depth Diagnostic Capability: Advanced Electronic Diagnostics and Troubleshooting Repair Complexity: Suitable for Professional Technicians and Experienced DIYers Information Source: Factory Original Technical Data Wiring Diagrams Completeness: Detailed wiring diagrams for electrical systems, crucial for troubleshooting. 📊 Manual Specifications File Format PDF Quality: High Resolution, Printable Print Quality Printability: Full Print Capability Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code 528E: M20B27 Engine Displacement 528E: 2.7 Liters (2693 cc) Engine Type 528E: Inline 6-cylinder, SOHC, Naturally Aspirated Engine Power 528E: Approximately 121-124 hp @ 4250-4800 rpm (depending on market and specific tune) Engine Torque 528E: Approximately 170 lb-ft @ 2500-3000 rpm (depending on market and specific tune) Engine Code 535I: M30B34 Engine Displacement 535I: 3.4 Liters (3430 cc) Engine Type 535I: Inline 6-cylinder, SOHC, Naturally Aspirated Engine Power 535I: Approximately 182-189 hp @ 5500-5700 rpm (depending on market and specific tune) Engine Torque 535I: Approximately 214-220 lb-ft @ 4000-4500 rpm (depending on market and specific tune) Fuel System Fuel System Type: Bosch Motronic Electronic Fuel Injection (EFI) Performance Acceleration 535I: 0-60 mph in ~7.5-8.5 seconds (typical) 🔧 Transmission Standard Transmission Type 528E: 4-Speed Automatic (often ZF 4HP22) Transmission Type 535I: 5-Speed Manual (Getrag 260) Optional Transmission Type 528E Optional: 5-Speed Manual (Getrag 260) Transmission Type 535I Optional: 4-Speed Automatic (often ZF 4HP22) 📐 Dimensions Exterior Wheelbase: 2794 mm (110.0 inches) Length: 4747 mm (186.9 inches) Width: 1777 mm (70.0 inches) Height: 1415 mm (55.7 inches) Weights Curb Weight 528E: Approx. 1470-1550 kg (3240-3417 lbs) Curb Weight 535I: Approx. 1490-1570 kg (3285-3461 lbs) 🛡️ Safety Features Passive Features Passive Safety Features: Crumple zones, reinforced passenger cell, safety belts Active Features Active Safety Features: Four-wheel disc brakes (ventilated front), power steering, ABS (optional on some models/markets) 💡 Technology Features Infotainment Infotainment System: Basic analog/digital displays, optional premium sound systems (e.g., Blaupunkt, Becker) with cassette players. Limited integration with external devices. Driver Assistance Driver Assistance Features: Optional Anti-lock Braking System (ABS). Primarily focused on mechanical systems rather than electronic driver aids. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth, USB, etc.) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles or 6-12 months (refer to manual for exact recommendations based on driving conditions) Major Service Intervals: Spark plug replacement, coolant flush, brake fluid flush, timing belt check/replacement (if applicable for specific engine variants, though M20/M30 are chain-driven) Fluid Specifications Engine Oil Type 528E: API SG/SH, SAE 15W-40 or 10W-40 (check manual for precise viscosity and BMW LL-98 specification if available for period) Engine Oil Type 535I: API SG/SH, SAE 20W-50 or 15W-50 (check manual for precise viscosity and BMW LL-98 specification if available for period) Coolant Type: Ethylene Glycol based antifreeze, BMW approved (typically blue or green) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common E28 Issues: Cooling system leaks (hoses, radiator), fuel injector seals, front suspension bushings, rust (especially in wheel wells, rocker panels), electrical component failures (e.g., dashboard electronics, window regulators), seized heater control valves. E28 528E Specific Issues: The 'eta' engine (M20B27) is known for lower revving characteristics and can be prone to head gasket issues if overheated. Early models had...