🏷️ Basic Information Identification Make: BMW Model: 5-series Chassis Code: E28 Model Year: 1984 Codes Covered Model Years: 1981-1988 Engine Codes Covered: M30 (various displacements), M20 (various displacements) 👋 Introduction Market Position Vehicle Segment: Luxury/Executive Sedan Target Audience: Automotive enthusiasts, DIY mechanics, professional technicians, BMW owners Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, Audi 100/200, Volvo 700 Series, Cadillac Seville Key Features Vehicle Philosophy: Driving dynamics, build quality, understated luxury, engineering excellence Manual Value Proposition: Empowers owners and technicians with factory-level repair and maintenance knowledge for the E28 platform 📋 Manual Details Coverage Areas Primary Coverage: All 1984 BMW 5-series (E28) models and variants Repair Scope: A-Z (comprehensive, from basic maintenance to major overhauls) Page Count Estimated Pages: Extensive (specific count not provided, but described as comprehensive for dealership use) Manual Type Type: Service and Repair Manual Origin: Dealership technician level Language Language: English Format Format: Likely printed (typical for dealership manuals of this era, often available as PDF scans) 📖 Manual Coverage Systems Covered Engine: Engine mechanical (assembly, disassembly, inspection, timing, valve train, lubrication, cooling), Engine electrical (ignition, starting, charging, fuel injection systems) Transmission: Manual and automatic transmission systems (overhaul, clutch, driveshafts, differential) Brakes: Brake system (hydraulic, ABS if equipped, disc/drum components, parking brake) Suspension: Front and rear suspension (struts, shock absorbers, control arms, bushings, springs, steering linkage) Electrical: Complete vehicle electrical system (wiring diagrams, lighting, instrumentation, power windows, mirrors, HVAC controls, central locking) Body: Body and chassis (frame, body panels, doors, bumpers, glass, interior trim, rust prevention) Fuel System: Fuel delivery (tank, pump, lines, injectors, fuel pressure regulator), Emission control systems Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks and changes Troubleshooting: Diagnostic procedures, symptom-based troubleshooting guides, fault code identification (where applicable) Repair: Component-level repairs, major overhauls, component replacement, adjustments Installation: Component installation and removal procedures Technical Depth Depth: Comprehensive (covers basic maintenance through complete engine and transmission rebuilds) Detail Level: Vehicle-specific, not generic; includes torque specifications, clearances, and proprietary procedures Diagrams Illustrations: Detailed exploded views, circuit diagrams, and procedural illustrations 📊 Manual Specifications File Format Digital Format: Typically PDF if digital, or printed book Searchability: Searchable text if digital, indexed pages if printed Print Quality Print Quality: Professional, high-resolution (for original printed manuals) Binding Type Binding: Stapled, perfect bound, or three-ring binder (original format varies) Paper Type Paper Quality: Durable paper stock suitable for workshop environments ⚙️ Engine Specifications Primary Engine Engine Family: M30 Inline-6 (most common, especially for 533i, 535i) and M20 Inline-4/6 (e.g., 528e, 524td) Engine Displacement Options: 2.0L, 2.3L, 2.4L (Diesel), 2.7L, 2.8L, 3.2L, 3.5L Performance Horsepower Range: Approx. 121 hp (524td Diesel) to 218 hp (M88/3 for M5) Torque Range: Approx. 170 lb-ft (524td) to 232 lb-ft (M88/3) Fuel System Fuel Delivery Type: Bosch L-Jetronic or Motronic fuel injection (petrol engines), Bosch mechanical injection (diesel) Ignition System: Electronic ignition (distributor-based or distributorless in later models) 🔧 Transmission Standard Standard Transmission: 4-speed or 5-speed manual transmission (Getrag) Optional Optional Transmission: 3-speed or 4-speed automatic transmission (ZF) Features Clutch Type: Single dry plate clutch (manual transmission) Final Drive: Limited-slip differential (LSD) available as an option on many models 📐 Dimensions Exterior Length: Approx. 4,710 mm (185.4 in) Width: Approx. 1,700 mm (66.9 in) Height: Approx. 1,400 mm (55.1 in) Weights Curb Weight Range: Approx. 1,400 - 1,600 kg (3,086 - 3,527 lb) 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data available from this era; known for robust build quality Active Features Braking System: Four-wheel disc brakes standard on most models, ABS available on later models Steering: Power-assisted recirculating ball steering Passive Features Seatbelts: Three-point inertia-reel seatbelts Body Structure: Reinforced passenger safety cell, energy-absorbing zones 💡 Technology Features Infotainment Audio System: Factory-installed AM/FM stereo, cassette player, optional premium sound systems Climate Control: Manual or automatic climate control with A/C Driver Assistance ABS: Anti-lock Braking System (ABS) available on later models Connectivity Cruise Control: Standard cruise control on most models 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000 - 7,500 miles or 6-12 months (check manual for specifics) Major Service Intervals: Spark plugs, coolant, transmission fluid, differential fluid checks/replacements at higher mileage intervals (e.g., 30,000-60,000 miles) Fluid Specifications Engine Oil Type: API SG/SH, SAE 15W-40 or 20W-50 depending on climate (check manual for exact specs) Coolant Type: Ethylene glycol-based antifreeze, typically 50/50 mix with distilled water Brake Fluid Type: DOT 3 or DOT 4 Transmission Fluid Type Manual: GL-4 gear oil (specific weight varies by temperature) Transmission Fluid Type Automatic: Dexron-III or equivalent ATF Known Issues Common Problems Wear Items: Bushings (control arm, sway bar), front strut mounts, fuel injectors, fuel pumps, cooling system components (radiator, hoses), seized brake calipers, idle control valves, door seals Common Problems Electrical: Corroded grounds, failing headlight relays, gauge cluster issues, AFM (Air Flow Meter) issues on some Motronic systems 📚 Vehicle History...