🏷️ Basic Information Identification Make: BMW Model: 5 Series Generation Code: E28 Years: 1981-1988 👋 Introduction Market Position Segment: Executive Sedan Reputation: Renowned for build quality, driving dynamics, and technological advancements of its era. Competitive Analysis Key Competitors: Mercedes-Benz W123/W124, Audi 100, Volvo 240/740, Cadillac Seville, Lincoln Continental. Key Features Design Philosophy: Classic BMW ' Hofmeister kink' design, driver-focused ergonomics, balanced weight distribution. Powertrain Innovation: Introduction of the M20 and M21 diesel engines, advanced fuel injection systems for the time. 📋 Manual Details Coverage Areas Engine: 528e, 524td, 533i, 535i Transmission: Getrag 260 5-speed manual, Getrag 265/6 6-speed manual, 3 HP-22 automatic, 4 HP-22 automatic Page Count Estimated Pages: Approx. 1000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system (EFI, diesel injection), cooling system, exhaust system, ignition system, transmission (manual and automatic), driveline, differential. Chassis: Suspension (front struts, rear semi-trailing arms), steering system (power steering), braking system (ABS availability), wheels and tires. Electrical: Wiring diagrams, starter system, charging system, lighting, instrumentation, climate control, power accessories (windows, mirrors, locks), cruise control, EATC (Electronic Automatic Temperature Control). Body: Body and frame, exterior trim, interior trim, seats, glass, sunroof, doors, hood, trunk lid. Procedures Included Maintenance: Scheduled maintenance, oil changes, fluid checks and changes, filter replacements, spark plug replacement, belt inspections and replacement. Repair: Engine overhaul, cylinder head removal/installation, piston/connecting rod service, crankshaft service, transmission rebuilds, clutch replacement, brake caliper/rotor service, shock absorber/strut replacement, power steering pump replacement. Diagnostics: Troubleshooting guides, symptom-based diagnostics, testing procedures for electrical components, fuel system pressure testing, diagnostic trouble codes (where applicable). Component Removal Installation: Detailed step-by-step instructions for removing and installing all major components and sub-assemblies. Technical Depth Depth: Comprehensive, covering basic to advanced repair and overhaul procedures. Suitable for professional technicians and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Print Quality Print Readability: High-resolution scans ensuring clear text and diagrams for printing. Binding Type Binding: N/A (Digital) Paper Type Paper Quality: N/A (Digital) ⚙️ Engine Specifications Primary Engine 528E: M20B27 'Eta' inline-6, 2.7L, 121 hp @ 4250 rpm, 170 lb-ft @ 3250 rpm. Known for exceptional low-end torque and fuel efficiency. 524Td: M21D24 turbodiesel inline-6, 2.4L, 115 hp @ 4800 rpm, 175 lb-ft @ 2400 rpm. One of BMW's early successful turbodiesel offerings. 533I: M30B32 inline-6, 3.2L, 197 hp @ 5500 rpm, 211 lb-ft @ 3500 rpm. Performance-oriented variant. 535I: M30B34 inline-6, 3.4L, 215 hp @ 5700 rpm, 224 lb-ft @ 4000 rpm. Flagship gasoline model of the E28 generation. Performance Acceleration 0 60: Varies by engine, typically 8-10 seconds for 535i. Fuel System Injection Type: Bosch L-Jetronic or Motronic EFI (gasoline), Bosch VE rotary injection pump (diesel). Fuel Type: Unleaded gasoline (87 octane or higher), Diesel fuel. 🔧 Transmission Standard Transmission Type: Getrag 260 5-speed manual (common on most models). Getrag 265/6 6-speed manual was a rare option or for specific markets/performance models. Optional Transmission Type: ZF 3 HP-22 3-speed automatic, ZF 4 HP-22 4-speed automatic (with lock-up torque converter). Features Clutch: Hydraulically actuated single dry plate clutch for manual transmissions. Automatic Modes: Automatic transmissions often featured 'Economy' and 'Sport' modes. 📐 Dimensions Exterior Length: Approx. 187.4 inches (4760 mm) Width: Approx. 69.1 inches (1755 mm) Height: Approx. 55.1 inches (1400 mm) Wheelbase: Approx. 104.3 inches (2650 mm) Weights Curb Weight: Approx. 3100-3400 lbs (1400-1550 kg), depending on engine and options. 🛡️ Safety Features Ratings NHTSA Rating: Not rated under modern NHTSA standards due to era of manufacture. Active Features ABS: Anti-lock Braking System (ABS) available on later models and higher trims. Traction Control: Automatic Stability Control (ASC) was introduced on some late E28 models. Passive Features Airbags: Driver airbag became standard in later production years. Passenger airbag was a rare option. Seatbelts: Three-point seatbelts in the front and rear. Construction: Unitized body construction with crumple zones. 💡 Technology Features Infotainment Audio System: Factory cassette player with optional CD changer. Speakers often located in doors and rear parcel shelf. Climate Control: Manual climate control or optional EATC (Electronic Automatic Temperature Control) with digital display and automatic fan/temperature regulation. Driver Assistance Cruise Control: Standard cruise control on most models, operated via a steering column stalk. Connectivity Phone Integration: No factory integrated Bluetooth or smartphone connectivity; aftermarket solutions available. 🔧 Maintenance Service Intervals Oil Change: Every 5,000-7,500 miles or 6-12 months, whichever comes first. Transmission Fluid: Manual: Inspect, change every 50,000-100,000 miles. Automatic: Change fluid and filter every 30,000-60,000 miles. Coolant Flush: Every 2-3 years or 30,000-50,000 miles. Fluid Specifications Engine Oil: API SN/SP or ACEA A3/B4, SAE 10W-40 or 15W-50 (depending on climate). Check manual for specific grade. Manual Transmission Fluid: BMW MTF LT-2 or equivalent GL-4 manual transmission fluid (e.g., Red Line MT-90). Automatic Transmission Fluid: Dexron III/Mercon...