🏷️ Basic Information Identification Make: BMW Model: 528i Generation: E28 Product Name: BMW 528I E28 Service Repair Manual 1981-1988 Codes Chassis Code: E28 Engine Codes Covered: M30B28 (2.8L 6-cylinder) 👋 Introduction Market Position Segment: Executive Sedan Target Audience: BMW E28 528i owners and enthusiasts seeking to perform maintenance, repairs, or a deeper understanding of their vehicle's mechanics. Competitive Analysis Differentiation: Provides specific, make-model-year coverage, avoiding generic content. Focuses on detailed workshop procedures and electrical diagrams essential for this era of BMW. Key Features Features: Easy-to-follow instructions, step-by-step diagrams, comprehensive coverage of all repair and maintenance aspects, electrical diagrams, fluid capacities, troubleshooting. 📋 Manual Details Coverage Areas Applicable Years: 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988 Models Covered: 528i Engine Variants Covered: 2.8L Inline-6 (M30B28) Page Count Estimated Page Count: Hundreds (specific count not provided, but comprehensive) Manual Type Type: Service and Repair Manual Language Language: English Format Digital Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Engine overhaul, rebuilding, cylinder head, valve train, pistons, crankshaft, lubrication system, fuel system, cooling system Drivetrain: Clutch, transmission (manual and automatic), sub-transmission (if applicable), gearshift linkage, driveshaft, differential Suspension Steering: Front wheel and suspension, rear wheel and suspension, steering system components Brakes: Hydraulic brake system, brake system components, bleeding procedures Electrical: Battery and charging system, ignition system, electric starter, switches, wiring diagrams, lighting, accessories Body Chassis: Bodywork repair (implied), chassis components Procedures Included Maintenance: Routine maintenance, lubrication, inspection, adjustments, fluid changes Repair: Step-by-step repair instructions for all major systems, engine rebuilding, component overhauls Diagnostics: Troubleshooting guides, identification of common problems and solutions Electrical Diagnostics: Detailed electrical diagrams for fault finding and repair, re-wiring procedures Technical Depth Depth: Comprehensive workshop level, covering everything from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics. 📊 Manual Specifications File Format File Type: PDF Compatibility: PC and Mac Compatible Features: Searchable text, zoom in/out capability for detailed viewing of diagrams and text Print Quality Print Option: Printable pages or entire manual Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-Cylinder, Naturally Aspirated Engine Code: M30B28 Displacement: 2.8 Liters (2788 cc) Performance Horsepower: Approx. 181 hp @ 5800 rpm (European spec), 169 hp (US spec) Torque: Approx. 230 Nm (169 lb-ft) @ 4000 rpm (European spec), 225 Nm (166 lb-ft) (US spec) Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection (depending on year and market) Fuel Type: Unleaded gasoline Cooling System Cooling Type: Water-cooled 🔧 Transmission Standard Type: 4-speed manual Getrag (common), 5-speed manual Getrag (optional on some models) Optional Type: ZF 3HP22 3-speed automatic (common) Features Rear Wheel Drive: Yes 📐 Dimensions Exterior Length: 4700-4750 mm (185-187 in) Width: 1700 mm (66.9 in) Height: 1410-1430 mm (55.5-56.3 in) Weights Curb Weight: Approx. 1450-1550 kg (3197-3417 lbs) Gross Weight Rating: Typically around 1950-2050 kg Wheelbase Wheelbase: 2795 mm (110 in) 🛡️ Safety Features Ratings Crash Test Results: Era-specific safety standards. E28 known for robust construction for its time. (Note: Modern standardized crash test data may not be directly comparable or readily available). Active Features Brakes: Front: Ventilated Disc, Rear: Solid Disc. ABS (Anti-lock Braking System) available as an option on later models. Passive Features Seatbelts: Three-point seatbelts Construction: Reinforced passenger cell, energy-absorbing steering column. 💡 Technology Features Infotainment Audio System: Factory AM/FM cassette stereo with optional amplifier and speakers. Climate Control: Manual or optional automatic climate control (ECC - Electronic Climate Control). Driver Assistance ABS: Optional ABS on later models. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or USB) 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type. Spark Plugs: Check at ~20,000 miles, replace as needed (depending on plug type, platinum/iridium can last longer). Timing Belt Chain: M30 engines use a timing chain, which requires inspection for wear but not regular replacement like a belt. Fluid Specifications Engine Oil: API SG or higher, SAE 20W-50 or 15W-40 recommended (check manual for specific viscosity based on climate). Coolant: BMW Blue Antifreeze/Coolant (ethylene glycol based), typically a 50/50 mix with distilled water. Brake Fluid: DOT 3 or DOT 4 brake fluid (always check manual for exact specification). Transmission Fluid Manual: GL-4 or GL-5 gear oil (e.g., 75W-90 or 80W-90). Transmission Fluid Automatic: Dexron III or equivalent (check specific ZF transmission requirements). Known Issues Common Problems: Cooling system leaks (radiator, hoses, water pump), fuel distributor issues (Bosch), electrical connector corrosion, seized brake calipers, differential seal leaks, sunroof drain blockages. Maintenance Focus: Proactive maintenance of cooling and fuel injection systems is crucial for reliability. 📚 Vehicle History Brand Heritage Heritage: BMW, known for its 'Ultimate Driving Machine' ethos, has a long history of producing sophisticated and performance-oriented sedans. Model Evolution Predecessor: E12 (first generation 5 Series)...