🏷️ Basic Information Identification Make: BMW Model: 745Li Year: 2004 Body Style: 4-door Sedan Generation Chassis Code: E66 👋 Introduction Market Position Segment: Full-size Luxury Sedan Competitors: Mercedes-Benz S-Class, Audi A8, Lexus LS, Jaguar XJ. Key Features Design Philosophy: BMW's 'Ultimate Driving Machine' ethos applied to a luxury platform, blending performance, comfort, and advanced technology. Technology Integration: Pioneering the iDrive infotainment system, advanced electronics, and sophisticated chassis management. 📋 Manual Details Coverage Areas Primary Coverage: 2004 BMW 745Li (E66 chassis) Page Count Estimated Pages: Approx. 300-400 pages (typical for this era's BMW owner's manuals) Manual Type Type: Owner's Manual Language Language: English Format Format: Printed Book 📖 Manual Coverage Systems Covered Powertrain: Engine operation, lubrication, cooling, fuel system, exhaust system, starting system. Drivetrain: Transmission operation (automatic), differential, driveshafts. Chassis: Steering system, braking system (ABS, DSC), suspension, wheels and tires. Electrical System: Battery, charging system, lighting, instrument cluster, warning indicators, fuses, relays. Comfort Features: Climate control (HVAC), seats, windows, mirrors, sunroof, door locks, central locking. Infotainment Navigation: iDrive system operation, audio system, navigation system (CCC), telephone integration (optional). Safety Features: Airbags, seat belts, child seat anchors (ISOFIX), dynamic stability control (DSC), traction control (ASC+T). Driver Assistance: Cruise control, parking distance control (PDC), automatic climate control. Procedures Included Operation: Starting and driving, parking, refueling, using vehicle controls. Maintenance: Checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure checks, bulb replacement (limited, some may require dealer service), battery maintenance. Troubleshooting: Understanding warning lights and messages, basic troubleshooting steps for common issues. Emergency Procedures: Flat tire change (if applicable, often requires specific tools), jump starting, towing information. Technical Depth Depth: Owner-level information for daily operation, basic checks, and understanding vehicle functions. Not intended for in-depth mechanical repair or diagnostics. 📊 Manual Specifications File Format Digital Format Notes: N/A (Product is a printed book) Print Quality Quality: High-quality print, durable paper stock typical of OEM manuals. Binding Type Binding: Perfect bound or saddle-stitched, designed for durability. Paper Type Paper Quality: Glossy or matte finish, designed to withstand frequent handling. ⚙️ Engine Specifications Primary Engine Engine Code: N62B44 Engine Type: 4.4-liter V8 Aspiration: Naturally Aspirated Performance Horsepower: 329 hp @ 6100 rpm Torque: 330 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91 AKI or higher) Engine Management ECU: Bosch Motronic MED7.2 🔧 Transmission Standard Transmission Type: 6-speed Automatic (GM 5L40-E) Optional Optional Transmission: N/A for 745Li in 2004 model year Features Driving Modes: Steptronic (manual shift mode), Comfort, Sport driving modes. Fluid Specifications Transmission Fluid: BMW ATF 71141 or equivalent Dexron III/VI 📐 Dimensions Exterior Length: 200.9 inches (5103 mm) Width: 73.5 inches (1868 mm) Height: 58.0 inches (1473 mm) Wheelbase: 118.1 inches (3000 mm) Interior Front Headroom: Approx. 38.5 inches Rear Legroom: Approx. 41.7 inches Weights Curb Weight: Approx. 4200-4300 lbs (1905-1950 kg) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5 Stars (for 7 Series platform) NHTSA Front Impact Passenger: 5 Stars (for 7 Series platform) Active Features Stability Control: Dynamic Stability Control (DSC) with Dynamic Traction Control (DTC) Braking: Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), Brake Assist. Passive Features Airbags: Front airbags, front side-impact airbags, head protection system (curtain airbags). Seat Belts: 3-point inertia-reel seat belts with pretensioners and force limiters. Child Safety: ISOFIX/LATCH lower anchor points for child seat installation. 💡 Technology Features Infotainment System Name: iDrive (Intelligent Drive Control System) Features: Central controller knob, 7-inch LCD screen for navigation, climate, audio, communication, and vehicle settings. Driver Assistance Parking: Parking Distance Control (PDC) with visual and audible alerts. Lighting: Adaptive Xenon Headlights (optional), automatic headlight activation. Connectivity Phone Integration: Bluetooth preparation and optional integrated telephone system. Comfort Technology Climate Control: Automatic dual-zone (or quad-zone in some trims) climate control with active charcoal micro-filter. 🔧 Maintenance Service Intervals Oil Change Interval: Condition Based Service (CBS) system, typically around 10,000-15,000 miles or 12-24 months, whichever comes first. Major Service: Inspection II service typically around 30,000-60,000 miles, including spark plug replacement, filter changes, etc. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) synthetic oil, SAE 0W-30 or 5W-30. Coolant: BMW Blue Antifreeze/Coolant (G48 or equivalent). Brake Fluid: DOT 4 High Performance. Known Issues Oil Leaks: Valve cover gasket leaks, oil pan gasket leaks, vacuum hose leaks are common. Cooling System: Plastic coolant reservoir can crack, thermostat housing issues. Electrical Gremlins: Due to complex electronics, various sensors and modules can fail, leading to 'Christmas tree' dash lights. Suspension: Control arm bushings, air suspension compressor or struts (if equipped) can wear out. I Drive System: CCC unit failures, screen malfunctions, or software glitches can occur. Ignition System: Coil-on-plug ignition system can have individual coil failures. 📚 Vehicle History Brand Heritage Bmw Legacy: Founded in 1916, BMW (Bayerische Motoren Werke AG) is renowned for its engineering prowess, sporty driving dynamics, and luxurious...