🏷️ Basic Information Identification Make: BMW Model: 528i Year: 1985 👋 Introduction Market Position Positioning: The BMW 528i (E28 chassis) was positioned as a premium executive sedan, offering a blend of performance, luxury, and sophisticated engineering. It competed with vehicles like the Mercedes-Benz W124 E-Class and Audi 100/200. Competitive Analysis Competitors: Key competitors in the mid-size luxury segment included Mercedes-Benz (e.g., 300E), Audi (e.g., 5000), Jaguar (e.g., XJ6), and Cadillac (e.g., Sedan de Ville). Key Features Features: Renowned for its sophisticated handling, powerful inline-six engine, driver-focused interior, and build quality. The 528i specifically offered enhanced performance over lower trims. Target Audience Audience: Enthusiasts and owners seeking to maintain, repair, or restore their classic BMW E28 528i, requiring detailed technical information and step-by-step guidance. 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: Likely printed or digital (PDF) based on product description 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, tuning, fuel injection (Bosch L-Jetronic), ignition system, cooling system, lubrication system. Transmission: Manual (Getrag 260) and Automatic (ZF 4HP22) service, repair, overhaul, diagnosis, fluid specifications. Drivetrain: Driveshaft, universal joints, differential, rear axle assembly, wheel bearings, seals. Suspension: Front McPherson struts, rear semi-trailing arms, springs, shock absorbers, bushings, alignment specifications. Steering: Power steering system, steering rack, pump, linkages, diagnosis, fluid specifications. Brakes: Front ventilated discs, rear solid discs, brake calipers, master cylinder, brake booster, ABS (if equipped), hydraulic lines, bleeding procedures. Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, fuses, relays, diagnostic procedures for ECU, sensors. Body And Chassis: Body panel removal and installation, interior trim, glass, seals, chassis components, rust prevention, repair techniques. HVAC: Heating, ventilation, air conditioning system service, refrigerant handling, diagnosis. Fuel System: Fuel pump, fuel injectors, fuel pressure regulator, fuel filter, tank service. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and changes, brake pad replacement, belt inspection and replacement. Diagnostics: Troubleshooting guides, symptom-based diagnosis, diagnostic trouble codes (DTCs) interpretation, electrical system testing. Repair: Step-by-step repair procedures for all major systems, component removal and installation, sub-assembly rebuilding, torque specifications. Rebuilding: Detailed instructions for engine, transmission, and differential rebuilds, including specifications for clearances and wear limits. Restoration: Guidance on refurbishing components, bodywork repair, interior restoration, and preserving originality. Specifications: Comprehensive torque values, engine clearances, alignment settings, fluid capacities, tire pressures, and electrical system data. Technical Depth Depth: Expert-level; covers everything from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics and troubleshooting. 📊 Manual Specifications File Format File Format: Likely PDF (if digital), enabling searchability and printing. If physical, it's a bound book. Print Quality Print Quality: Expected to be high quality with clear diagrams and text, typical of official or reputable aftermarket manuals. Binding Type Binding Type: If printed: Spiral-bound or perfect-bound for lay-flat usability in a workshop environment. Paper Type Paper Type: If printed: Durable, possibly coated paper to withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Code: M30B28 Engine Type: Inline 6-cylinder, SOHC, 2 valves per cylinder Displacement: 2788 cc (2.8 Liters) Bore X Stroke: 86 mm x 80 mm Compression Ratio: 8.3:1 (typical) Performance Horsepower: 182 hp (134 kW) @ 5800 rpm (approximate DIN) Torque: 230 Nm (169 lb-ft) @ 4000 rpm (approximate DIN) Fuel System Fuel Delivery: Bosch L-Jetronic (Lambda) Fuel Injection Fuel Type: Unleaded Gasoline (Octane rating as per manual recommendation) Ignition System Ignition Type: Electronic Ignition (Distributor-based) Cooling System Coolant Capacity: Approx. 9.5 Liters (check manual for exact spec) Coolant Type: Ethylene glycol based, BMW coolant or equivalent (refer to manual) Lubrication System Oil Capacity: Approx. 5.7 Liters (with filter) (check manual for exact spec) Recommended Oil Viscosity: 10W-40 or 15W-40 (refer to manual for climate/performance variations) 🔧 Transmission Standard Type: Getrag 260 5-speed Manual Transmission Optional Type: ZF 4HP22 4-speed Automatic Transmission Features Manual Fluid Type: API GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90, check manual) Automatic Fluid Type: Dexron III (or equivalent specified by BMW, e.g., ATF D) Manual Capacity: Approx. 1.5 Liters (check manual) Automatic Capacity: Approx. 1.7 Liters (dry fill), significantly more for a complete drain and fill (check manual) 📐 Dimensions Exterior Length: 4735 mm (186.4 in) Width: 1738 mm (68.4 in) Height: 1415 mm (55.7 in) Wheelbase: 2794 mm (110.0 in) Weights Curb Weight: Approx. 1470 kg (3240 lbs) (varies by transmission and options) Gross Vehicle Weight Rating: Refer to vehicle placard or manual Towing Capacity: Not typically specified for this model, generally not recommended for towing. Interior Seating Capacity: 5 occupants 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data readily available for this era. Focus was on structural integrity and passive safety features for the time. Active Features ABS: Anti-lock Braking System (ABS) was optional and available on some models. Traction Control: Not typically available on this model. Passive Features Seat Belts: Standard front...