🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E28, E34 Production Years Covered: 1981-1991 👋 Introduction Market Position Positioning: Premium mid-size luxury sedan, known for performance and driving dynamics Competitive Analysis Key Competitors: Mercedes-Benz E-Class, Audi 100/200, Volvo 700 series, Jaguar XJ6 Key Features Driving Dynamics: Renowned 'Ultimate Driving Machine' ethos, balanced chassis, responsive steering Engine Options: Smooth inline-six engines, potent M-versions Build Quality: High-quality materials and solid construction typical of BMW 📋 Manual Details Coverage Areas All Repair Topics A Z: Yes All Models Covered: Yes Page Count Estimated Page Count: Extensive (specific number not provided, implies a comprehensive volume) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed inspection, overhaul, tuning, troubleshooting Engine Management Electronic: Fuel injection systems (Bosch Motronic), ignition systems, sensor diagnostics Transmission Manual: Clutch, gearbox overhaul, shift mechanisms, driveshafts Transmission Automatic: Hydraulic control, torque converter, valve body, overhaul procedures Suspension Front: MacPherson struts, control arms, ball joints, bushings, shock absorbers Suspension Rear: Independent rear suspension (E34), semi-trailing arms (E28), shock absorbers, springs Steering: Power steering system, steering rack/box, tie rods, wheel alignment Brakes Front: Disc brake inspection, pad replacement, caliper overhaul, rotor resurfacing/replacement Brakes Rear: Disc brake inspection, pad replacement, caliper overhaul, rotor resurfacing/replacement Brakes ABS: ABS system components, sensor diagnostics, hydraulic unit troubleshooting Electrical System 12V: Battery, charging system (alternator), starter motor, fuses, relays Lighting System: Headlights, taillights, interior lighting, bulb replacement Instrument Cluster: Gauges, warning lights, speedometer, tachometer troubleshooting Climate Control: HVAC system, blower motor, heater core, A/C system components and service Body Interior: Upholstery, trim panels, door mechanisms, window regulators, seat adjustments Body Exterior: Body panel alignment, rust repair, trim removal, bumper service Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter replacement, injectors Exhaust System: Exhaust manifold, catalytic converter, muffler, pipe replacement Procedures Included Routine Maintenance: Oil change, filter replacement, spark plug replacement, fluid level checks, tire rotation Troubleshooting Diagnostics: Systematic diagnostic flowcharts, symptom-based problem solving Component Removal Installation: Step-by-step instructions for major component replacement Overhauls Rebuilds: Complete engine and transmission rebuild procedures Wiring Diagrams: Comprehensive electrical schematics for all systems Specification Data: Torque specifications, clearances, fluid capacities, measurements Special Tools: Identification and usage of BMW-specific tools Technical Depth Depth: Comprehensive, professional-level detail suitable for experienced mechanics and serious DIY enthusiasts 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable text Printable: Yes, pages are designed to be printable Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine E28 Engine Options: M20B20 (2.0L I6), M20B25 (2.7L I6), M30B34 (3.4L I6), S38B35 (3.5L I6 - M5) E34 Engine Options: M20B20 (2.0L I6), M30B35 (3.5L I6), M50B20 (2.0L I6 - 24v), M50B25 (2.5L I6 - 24v), S38B36 (3.6L I6 - M5), S38B38 (3.8L I6 - M5) Performance E28 525I Power: Approx. 171 hp (126 kW) E28 M5 Power: Approx. 286 hp (210 kW) E34 535I Power: Approx. 208 hp (153 kW) E34 M5 Power: Approx. 310 hp (228 kW) for S38B36 Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection (depending on model/year) Fuel Type: Unleaded Gasoline (Premium Recommended) 🔧 Transmission Standard E28 Standard Transmission: 4-speed or 5-speed manual (Getrag 265) E34 Standard Transmission: 5-speed manual (Getrag 260/5, Getrag 265 for some early models) Optional E28 Optional Transmission: 3-speed or 4-speed automatic (ZF 4HP22) E34 Optional Transmission: 4-speed automatic (ZF 4HP22, ZF 4HP24 for V8 models) Features Clutch Type: Hydraulically actuated single dry plate 📐 Dimensions Exterior E28 Wheelbase: Approx. 2774 mm (109.2 in) E34 Wheelbase: Approx. 2762 mm (108.7 in) for Sedan, 2880 mm (113.4 in) for Touring E28 Length: Approx. 4710 mm (185.4 in) E34 Length: Approx. 4734 mm (186.4 in) for Sedan Weights E28 Curb Weight: Approx. 1400-1600 kg (3086-3527 lbs) E34 Curb Weight: Approx. 1500-1700 kg (3307-3748 lbs) 🛡️ Safety Features Ratings Crash Test Data: Limited official crash data from this era, but designed with crumple zones and safety cage Active Features ABS Availability: Optional on most E28 models, standard on many E34 models Passive Features Airbags: Driver airbag became available on later E34 models, not typically found on E28 Seatbelts: 3-point inertia-reel seatbelts front and rear 💡 Technology Features Infotainment Audio System: Factory cassette/radio units, optional CD changers on later E34 models Driver Assistance Cruise Control: Standard on many models On Board Computer: Optional on some E34 models, displaying trip data, fuel consumption, and system warnings Connectivity Connectivity Features: Limited to factory radio features; no Bluetooth or USB connectivity in the original design 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500 - 10,000 miles (12,000 - 16,000 km) or annually, check manual for specific model Spark Plugs: Replace every 30,000 - 60,000 miles (48,000 - 96,000 km) depending on plug type (copper, platinum) Coolant Flush: Every 2-3 years or...