🏷️ Basic Information Identification Make: BMW Model: 7 Series Model Years Covered: 2004 Generation Generation Code: E65 (short wheelbase), E66 (long wheelbase), E67 (Protection model), E68 (Hydrogen Fuel Cell) Codes Chassis Codes: E65, E66, E67, E68 👋 Introduction Market Position Segment: Full-size Luxury Sedan Key Competitors 2004: Mercedes-Benz S-Class, Audi A8, Lexus LS, Jaguar XJ, Cadillac DTS. Competitive Analysis Differentiation: Known for advanced technology (iDrive, adaptive headlights), superior driving dynamics for its class, and luxurious interior appointments. Key Features Innovations: iDrive infotainment system, adaptive headlights (AFS), advanced electronic suspension controls, optional active roll stabilization. Vehicle Philosophy: The ultimate expression of BMW's 'Ultimate Driving Machine' philosophy, adapted for the luxury segment, emphasizing performance and technology. 📋 Manual Details Coverage Areas Primary Coverage: All 7 Series E65, E66, E67, E68 models for the 2004 model year. Page Count Estimated Page Count: 1000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF, searchable) 📖 Manual Coverage Systems Covered Engine Mechanical: Full rebuild procedures, component diagnostics, timing, cylinder head, pistons, crankshaft, lubrication system. Engine Management And Electrical: ECU diagnostics, sensor testing, ignition system, fuel injection, emissions control, starter, alternator, battery, wiring diagrams. Transmission Automatic: Detailed repair, overhaul, fluid changes, torque converter, shift solenoids, electronic control unit. Transmission Manual: Not applicable for 2004 7 Series which were primarily automatic. Suspension And Steering: Active roll stabilization, self-leveling suspension (ALSS), power steering system, hydraulic components, alignment specifications. Brakes: ABS, DSC (Dynamic Stability Control), brake system hydraulic components, caliper repair, rotor replacement, brake fluid specifications. Body And Chassis: Body panel removal and installation, structural repairs, door mechanisms, glass replacement, sound deadening, corrosion protection. HVAC: Climate control system, refrigerant handling, compressor, evaporator, heater core, actuators, diagnostics. Interior Trim And Accessories: Seat mechanisms, interior paneling, roof liner, dashboard components, infotainment system integration. Electrical Systems And Comfort Electronics: Complex i-bus/K-bus architecture, LCM (Light Module Control), GM (Gateway Module), PDC (Park Distance Control), central locking, power windows, lighting systems, navigation, audio. Procedures Included Preventative Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt inspection, brake pad wear checks. Troubleshooting: Systematic diagnostic procedures for all major systems, symptom-based troubleshooting guides, fault code interpretation. Repair And Overhaul: Detailed step-by-step instructions for component removal, repair, replacement, and reassembly. Diagnostic Procedures: Specific procedures for using diagnostic tools (e.g., DIS, ISTA), reading fault memory, live data analysis, component activation tests. Wiring Diagrams: Comprehensive and specific wiring diagrams for all electrical systems, including component locations and connector pinouts. Technical Depth Depth: Complete, dealership-level technical information covering all aspects from basic maintenance to complete engine and transmission rebuilds, and advanced electronic system diagnostics. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Scan Resolution: High-resolution scans allowing for clear text and image readability. Binding Type Physical Binding: N/A (Digital Format) Paper Type Physical Paper: N/A (Digital Format) Searchability Text Searchability: Searchable text content for quick access to specific topics and keywords. ⚙️ Engine Specifications Primary Engine Engine Codes 2004: N62B40 (4.0L V8), N62B44 (4.4L V8), N62B48 (4.8L V8) Performance Horsepower Range: Approx. 255 hp (4.0L) to 360 hp (4.8L) Torque Range: Approx. 295 lb-ft (4.0L) to 360 lb-ft (4.8L) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Double VANOS variable valve timing. Engine Mechanical Cylinder Block Material: Aluminum Valve Train: DOHC (Dual Overhead Camshafts), 4 valves per cylinder. Engine Maintenance Spark Plug Type: Bosch FGR7KQE0U (or equivalent) 🔧 Transmission Standard Transmission Type: 6-speed Steptronic Automatic Transmission (GA6HP26Z) Optional Optional Transmissions: N/A for 2004 model year; all models featured the 6-speed automatic. Features Shift Modes: Automatic, Manual (Steptronic sequential shifting via selector lever or steering wheel buttons). Maintenance Transmission Fluid Type: BMW ATF LT-2 (or Shell M-1375.4) Transmission Fluid Capacity Approx: 8.5 Liters (subject to torque converter fill) 📐 Dimensions Exterior Wheelbase E65: 3070 mm (120.9 inches) Wheelbase E66: 3190 mm (125.6 inches) Length E65: 5009 mm (197.2 inches) Length E66: 5180 mm (203.9 inches) Weights Curb Weight Range: Approx. 1800-1950 kg (3968-4300 lbs) Gross Vehicle Weight Rating: Varies by model and equipment, typically around 2400-2550 kg Other Wheelbase E67: 3070 mm (120.9 inches) Wheelbase E68: 3070 mm (120.9 inches) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (for models tested) IIHS Top Safety Pick: Yes (for models tested, typically with specific equipment) Active Features Stability Control: Dynamic Stability Control (DSC) with integrated ABS, Traction Control (ASC+T). Braking System: 4-wheel ventilated disc brakes, Electronic Brake-force Distribution (EBD), Brake Assist. Lighting: Bi-Xenon Headlights with Adaptive (cornering) Headlights, front and rear fog lights. Passive Features Airbags: Frontal airbags (driver/passenger), front side-impact airbags, head protection system (curtains) for front and rear occupants. Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters for all seating positions. Chassis Structure: High-strength steel safety cage, crumple zones. 💡 Technology Features Infotainment System Name: iDrive (first generation) Features: Central control knob and buttons, 6.5-inch or optional 8.8-inch LCD...