🏷️ Basic Information Identification Make: BMW Model: 745Li Year: 2002 Codes Chassis Code: E66 👋 Introduction Market Position Vehicle Class: Full-Size Luxury Sedan Target Audience: Owners seeking in-depth knowledge for DIY maintenance and repair, Independent Repair Shops Competitive Analysis Competitors: Mercedes-Benz S-Class, Audi A8, Lexus LS, Jaguar XJ Key Features Vehicle Highlights: V8 Engine, Extended Wheelbase (Li), Advanced Technology, Luxury Interior Manual Advantage: Official BMW licensing ensures accuracy and completeness, digital format offers quick access and searchability 📋 Manual Details Coverage Areas Manual Type: Official Service and Repair Manual Software Language: English Format: Software (Digital Download) Page Count Estimated Pages: 1000+ (typical for comprehensive digital manuals) 📖 Manual Coverage Systems Covered Engine: 4.4L V8 Naturally Aspirated (N62B44) Transmission: 6-speed automatic (GM 5L40-E / ZF 6HP19) Brakes: Front and Rear Disc Brakes, ABS, DSC (Dynamic Stability Control) Suspension: Front Independent, Rear Independent, Adaptive Drive (Optional) Steering: Hydraulic Power Steering, Servotronic Electrical: 12V Electrical System, Battery, Alternator, Starter, Lighting, ECUs, Body Control Modules (BCM), Infotainment System Bodywork: Exterior Body Panels, Interior Trim, Doors, Hood, Trunk, Glass, Sealing Climate Control: Automatic Climate Control, HVAC System Safety Systems: Airbags (Front, Side, Curtain), Seatbelts, ISOFIX Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plugs, Belts, Hoses Troubleshooting: Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting Guides Repair: Engine Overhaul, Transmission Service, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Replacement Diagnostics: OBD-II Diagnostics, BMW Specific Diagnostic Procedures, Sensor Testing, Actuator Testing Wiring Diagrams: Complete Electrical Wiring Diagrams for All Systems Technical Depth Depth Level: Comprehensive (from basic maintenance to complete engine/transmission rebuilds) Diagnostic Capabilities: Detailed diagnostic procedures, component testing, and troubleshooting trees Rebuild Procedures: Step-by-step instructions for engine, transmission, and major component overhauls 📊 Manual Specifications File Format Software Type: Proprietary Software / Digital Manual Platform Print Quality Resolution: High-resolution digital images and diagrams Binding Type Binding: N/A (Digital Software) Paper Type Paper Quality: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Code: N62B44 Engine Type: 4.4-liter (4398 cc) V8, Naturally Aspirated Valvetrain: Double Overhead Camshafts (DOHC), 4 valves per cylinder, VANOS (Variable Valve Timing) Bore X Stroke: 92.0 mm x 82.7 mm Compression Ratio: 10.0:1 Performance Horsepower: 329 hp @ 6100 rpm Torque: 330 lb-ft @ 3600 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91+ Octane) Injection Type: Sequential Multi-Port Fuel Injection (MPI) Cooling System Coolant Capacity: Approx. 12.0 Liters (12.7 US Quarts) Coolant Type: BMW Blue Antifreeze/Coolant (G48) Lubrication System Oil Capacity: Approx. 8.5 Liters (9.0 US Quarts) Oil Specification: SAE 0W-40 Synthetic (BMW Longlife-01 approved) Engine Management ECU Type: Bosch Motronic (specific model varies, e.g., ME7.2) 🔧 Transmission Standard Transmission Type: 6-speed Steptronic Automatic Transmission Transmission Model: ZF 6HP19 Features Shifting Modes: Drive, Sport, Manual (via Steptronic lever or steering wheel buttons) Fluid Capacity Transmission Fluid Capacity: Approx. 8.0 - 9.0 Liters (16.9 - 19.0 US Quarts) - dry fill Fluid Specification Transmission Fluid Type: ATF LT 71141 (or BMW equivalent like P/N 83 22 0 030 539) Maintenance Fluid Change Interval: BMW typically lists as 'lifetime', but recommended service interval for heavy use is 60,000 - 100,000 miles 📐 Dimensions Exterior Wheelbase: 3128 mm (123.1 inches) Length: 5049 mm (198.8 inches) Width: 1872 mm (73.7 inches) Height: 1475 mm (58.1 inches) Weights Curb Weight: Approx. 1870 kg (4123 lbs) Gross Vehicle Weight Rating Gvwr: Approx. 2450 kg (5401 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: Not specifically rated by NHTSA for this year, but BMW generally excels in safety. IIHS Crash Test: Not extensively documented by IIHS for this specific model year, but reflects BMW's robust safety engineering. Active Features Stability Control: Dynamic Stability Control (DSC) with Traction Control Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Front airbags, front side-impact airbags, front and rear head protection system (HPS) curtain airbags Seatbelts: Three-point inertia-reel seatbelts with pre-tensioners and force limiters 💡 Technology Features Infotainment System Name: iDrive (first generation) Features: Central control knob, onboard computer, navigation system (optional), radio, CD player, climate control integration. Driver Assistance Cruise Control: Adaptive Cruise Control (ACC) with Distronic (optional) Parking Assistance: Front and Rear Park Distance Control (PDC) Connectivity Bluetooth: Bluetooth integration for phone calls (optional) Convenience Features Keyless Entry: Comfort Access System (keyless entry and start) (optional) Lighting: Xenon Headlights with Adaptive Headlight Control (optional) 🔧 Maintenance Service Intervals Oil Change Interval: Condition Based Service (CBS) system, typically around 10,000 - 15,000 miles or 12-24 months Air Filter Replacement: Typically every 30,000 - 45,000 miles Cabin Air Filter Replacement: Typically every 15,000 - 30,000 miles Spark Plug Replacement: Typically every 60,000 - 100,000 miles (depending on spark plug type and material) Fluid Specifications Brake Fluid Type: DOT 4 (BMW recommends Castrol GT/LM High Performance Brake Fluid) Power Steering Fluid Type: Pentosin CHF 11S or equivalent hydraulic fluid Known Issues Engine: Oil leaks...