🏷️ Basic Information Identification Make: BMW Model: 550i Model Code: E60 (Sedan), E61 (Touring) Chassis Code: E60 (Sedan), E61 (Touring) Codes Engine Code Primary: N62TU (V8) 👋 Introduction Market Position Segment: Executive Luxury Sedan Positioning: A high-performance variant of the BMW 5 Series (E60/E61), known for its potent V8 engine and luxurious appointments. Competitive Analysis Competitors: Mercedes-Benz E-Class, Audi A6, Lexus GS, Jaguar XF. Key Features Engine Performance: Powerful V8 engine offering strong acceleration and torque. Driving Dynamics: Renowned BMW handling, stability, and responsive steering, enhanced by optional Active Drive and Active Steering. Luxury Appointments: Premium interior materials, advanced comfort features, and sophisticated technology integration (iDrive). Design: Distinctive Chris Bangle-era styling, embodying BMW's sporty and elegant design language. 📋 Manual Details Coverage Areas Covered Years: 2005, 2006, 2007, 2008, 2009, 2010 Page Count Estimated Page Count: 1000+ Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF) 📖 Manual Coverage Systems Covered Engine: V8 Naturally Aspirated Engine (N62TU), including cooling, lubrication, fuel delivery, ignition, emissions control, and engine management. Transmission: 6-Speed Automatic Transmission (GM 6L45, 6L50) and Steptronic transmission control, including removal, installation, and internal repairs. Drivetrain: Rear-Wheel Drive (RWD) and xDrive All-Wheel Drive (AWD) systems, including differentials, driveshafts, and axles. Brakes: Hydraulic disc brakes (front and rear), Anti-lock Braking System (ABS), Dynamic Stability Control (DSC), brake booster, parking brake. Suspension: Front and rear independent suspension, adaptive drive, active steering, shock absorbers, springs, control arms, bushings. Steering: Hydraulic power steering system, Active Steering technology. Electrical System: 12V electrical system, battery, alternator, starter, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams. Body And Chassis: Body panel removal and installation, doors, hood, trunk, glass, interior trim, underbody protection, chassis components. HVAC: Automatic climate control system, air conditioning, heating, ventilation, blower motor, refrigerant system. Infotainment And Navigation: iDrive system, professional navigation, radio, CD changer, amplifier, speaker systems. Safety Systems: Airbag system, seatbelt pre-tensioners, parking sensors (PDC), cruise control. Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, fluid checks), inspections, lubrication. Troubleshooting: Diagnostic procedures for common issues, fault code identification and interpretation. Repair: Step-by-step repair instructions for all major components and systems, including engine rebuilds, transmission overhauls, brake replacements, suspension repairs. Diagnostics: Detailed diagnostic charts, OBD-II code explanations, sensor data analysis. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems. Specifications: Torque specifications for all fasteners, clearances, tolerances, and performance data. Technical Depth Depth: Expert level, covering complete disassembly, assembly, diagnosis, and repair of all vehicle systems, suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes, text-searchable PDF Print Quality Quality: High-resolution scans, printable pages Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 4.8L Naturally Aspirated V8 (N62TU) Bore X Stroke: 93.0 mm x 91.0 mm Compression Ratio: 10.5:1 Valve Train: DOHC, 4 valves per cylinder, VANOS (variable camshaft timing) Engine Management System: Bosch Motronic (specific model varies by year) Performance Horsepower: 360 hp @ 6300 rpm Torque: 360 lb-ft @ 3400-3800 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Fuel Tank Capacity: 18.0 gallons (68 liters) 🔧 Transmission Standard Type: 6-Speed Steptronic Automatic (GM 6L45 / 6L50) Optional Type: N/A for 550i model (Manual transmission was available on other 5 Series models like 525i, 530i, but not the 550i) Features Transmission Fluid Type: Dexron VI (or approved equivalent) Transmission Fluid Capacity: Approx. 8.5 quarts (8.0 liters) for refill, higher for complete overhaul. 📐 Dimensions Exterior Wheelbase: 116.4 inches (2957 mm) Length: 193.1 inches (4905 mm) Width: 72.4 inches (1839 mm) Height: 58.0 inches (1473 mm) Front Track: 61.2 inches (1554 mm) Rear Track: 61.8 inches (1570 mm) Weights Curb Weight: 3,990 - 4,140 lbs (1810 - 1878 kg) depending on configuration (RWD/AWD, options) Gross Vehicle Weight Rating: Approx. 5,100 lbs (2313 kg) Cargo Trunk Capacity: 14.0 cu ft (396 liters) Cargo Capacity E61 Touring: 24.0 cu ft (680 liters) / 58.3 cu ft (1650 liters) with rear seats folded 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars (for comparable E60 models) IIHS Side Impact: Good (for comparable E60 models) IIHS Roof Strength: Good (for comparable E60 models) Active Features ABS: Standard, with Electronic Brakeforce Distribution (EBD) Dsc: Standard Dynamic Stability Control (traction control, stability control) Active Steering: Optional variable-ratio and variable-effort steering system Passive Features Airbags: Front airbags, front side-impact airbags, front and rear head protection airbags (curtain airbags). Seatbelts: 3-point inertia-reel seatbelts with pre-tensioners and force limiters Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Interface: iDrive infotainment system with a central LCD screen controlled by the iDrive knob and buttons. Navigation: Optional professional navigation system with map updates. Audio System: Standard...