🏷️ Basic Information Identification Make: BMW Model: 645Ci Year: 2005 Codes Chassis Code: E63 (Coupe) / E64 (Convertible) 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer (GT) Coupe and Convertible Target Audience: Affluent buyers seeking performance, luxury, and advanced technology Competitive Analysis Primary Competitors: Mercedes-Benz CL-Class, Lexus SC 430, Jaguar XK Key Features Design Philosophy: Elegant coupe styling, powerful V8 engine, sophisticated interior, advanced BMW driving dynamics Powertrain Emphasis: Focus on smooth power delivery and refined performance from a naturally aspirated V8 📋 Manual Details Coverage Areas Manual Type: Official Service and Repair Manual Software Language: English Format: Digital Software (likely PDF or proprietary executable) Page Count: Estimated 1500+ pages (typical for comprehensive BMW service manuals) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, timing, lubrication, cooling, fuel injection, emissions control Engine Electrical: Ignition system, starter, alternator, sensor diagnostics (MAF, O2, Crank/Cam), ECU troubleshooting Transmission Automatic: ZF 6HP Series (6HP26), torque converter, valve body, clutch packs, solenoids, electronic control unit (TCU) Transmission Manual: Not applicable for 645Ci, but manual would cover differential and drive axles Brakes: Hydraulic system, ABS, DSC (Dynamic Stability Control), brake pad/rotor replacement, bleeding procedures, sensor diagnostics Suspension: Front/rear suspension components, struts, shocks, control arms, bushings, alignment specifications, self-leveling suspension (if equipped) Steering: Power steering system (Hydraulic), steering rack, column, associated sensors and actuators Electrical System Body: Lighting (headlights, taillights, interior), power windows, locks, mirrors, seats, sunroof, wipers, horn Climate Control: HVAC system, blower motor, evaporator, condenser, refrigerant handling, climate control module diagnostics Infotainment Navigation: iDrive system, radio, CD player, navigation unit, Bluetooth integration, speaker system troubleshooting Safety Systems: Airbag system (SRS), seatbelt pre-tensioners, occupant sensor diagnostics, crash sensor locations Procedures Included Maintenance Routine: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement Diagnostics Troubleshooting: Component testing, fault code interpretation (DTCs), wiring diagrams, circuit testing, system-specific diagnostic trees Repair Overhaul: Engine component replacement (pistons, valves, crankshaft), transmission rebuild, suspension component replacement, body panel repair Electrical Diagnostics: Wiring harness repair, component testing using multimeter/oscilloscope, ECU programming and diagnostics Body Exterior: Panel removal/installation, door mechanisms, trunk/hood operation, bumper repair Body Interior: Dashboard removal, seat installation, trim panel replacement, headliner repair Technical Depth Diagnostic Tools: Coverage includes use of BMW ISTA/D (or equivalent diagnostic software) and specialized tools Repair Complexity: From basic fluid changes to complete engine and transmission overhauls, including complex electronic system diagnosis and repair Specifications Tolerances: Detailed torque specifications, clearances, fluid capacities, and critical measurement tolerances 📊 Manual Specifications File Format File Format Type: Digital Software (likely PDF with searchable text, or executable application with interactive diagrams) Print Quality Print Quality Suitability: High resolution, suitable for professional printing if desired Binding Type Binding Type: N/A (Digital Software) Paper Type Paper Type: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Code: N62B44 Engine Type: 4.4L Naturally Aspirated V8 Displacement: 4398 cc Bore X Stroke: 92.0 mm x 82.7 mm Compression Ratio: 10.5:1 Valve Train: DOHC, 4 valves per cylinder, VANOS (Variable Valve Timing) Performance Horsepower: 329 hp @ 6100 rpm Torque: 332 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91 AKI or higher recommended) Ignition System: Distributorless Electronic Ignition (Coil-on-Plug) 🔧 Transmission Standard Transmission Type: 6-speed Automatic (ZF 6HP26) Optional Transmission Type: None (6-speed manual transmission was available on 645i, but less common and potentially not covered in a '645Ci' manual) Features Gear Ratios Auto: 1st: 4.17, 2nd: 2.34, 3rd: 1.52, 4th: 1.14, 5th: 0.87, 6th: 0.77, Reverse: 3.40 Transmission Control: Electronic with Steptronic (manual shifting capability) Transmission Fluid: BMW ATF-3 (or equivalent, e.g., ZF LifeguardFluid 6) 📐 Dimensions Exterior Coupe Length: 192.3 inches (4884 mm) Convertible Length: 192.3 inches (4884 mm) Coupe Width: 73.7 inches (1872 mm) Convertible Width: 73.7 inches (1872 mm) Coupe Height: 54.4 inches (1382 mm) Convertible Height: 54.3 inches (1379 mm) Wheelbase: 113.0 inches (2871 mm) Interior Seating Capacity: 4 Cargo Coupe Trunk Volume: 14.2 cu ft (402 L) Convertible Trunk Volume: 12.1 cu ft (343 L) with top up Weights Curb Weight Coupe: 3880 lbs (1760 kg) Curb Weight Convertible: 4277 lbs (1940 kg) Gross Vehicle Weight Rating: Approx. 5070 lbs (2300 kg) 🛡️ Safety Features Ratings NHTSA Front Crash: 5-Star (Driver and Passenger) NHTSA Side Impact: 4-Star (Front Seat Occupants) IIHS Front Crash: Good Active Features ABS: Yes, Anti-lock Braking System Traction Control: Yes, Dynamic Traction Control (DTC) and Automatic Stability Control (ASC) Stability Control: Yes, Dynamic Stability Control (DSC) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, head protection system (curtain airbags for coupe, rollover protection for convertible) Seatbelts: Three-point inertia-reel seatbelts with pre-tensioners and force limiters Rollover Protection: Active rollover protection system for convertible 💡 Technology Features Infotainment Infotainment System: BMW iDrive (first generation) Display Screen: Central 6.5-inch or optional 8.8-inch LCD display Audio System: Standard HiFi system, optional...