🏷️ Basic Information Identification Make: BMW Model: 323i Year: 2005 Generation Chassis Code: E46 Codes Engine Code: M54B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35 Key Features Driving Dynamics: Renowned for its balanced chassis, RWD bias, and engaging driving experience Powertrain Reliability: M54 engine is generally robust with proper maintenance Build Quality: Typical BMW high standards of interior and exterior fit and finish 📋 Manual Details Coverage Areas Comprehensive Coverage: Full Service and Repair Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Manual (FSM) / Professional Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, tuning, timing, valve adjustments, cooling system Engine Electrical: Ignition system, fuel injection, ECU diagnostics, sensor testing, wiring diagrams Transmission Manual: Clutch, gear shift mechanism, rebuild procedures Transmission Automatic: Fluid service, shift control, torque converter, rebuild procedures Drivetrain: Driveshafts, differential, CV joints, wheel bearings Suspension: Springs, shock absorbers, control arms, bushings, wheel alignment Steering: Power steering system, steering rack, tie rods, steering column Brakes: Hydraulic system, ABS, DSC, caliper and rotor service, brake bleeding Electrical System: Battery, alternator, starter, lighting, fuses, relays, body electronics HVAC: Air conditioning, heating, climate control system service and repair Body And Chassis: Body panels, doors, windows, interior trim, structural components Diagnostic Troubleshooting: OBD-II codes, diagnostic procedures, fault finding Procedures Included Preventative Maintenance: Oil changes, filter replacements, spark plug replacement, brake fluid flush Scheduled Maintenance: Detailed service intervals and required checks Troubleshooting Guides: Step-by-step diagnostic procedures for common and uncommon faults Repair Procedures: Detailed instructions for component replacement and repair Rebuilding Procedures: Engine, transmission, and differential rebuild specifications Component Disassembly And Assembly: Detailed instructions for removing and installing parts Torque Specifications: Precise torque values for all critical fasteners Wiring Diagrams: Comprehensive electrical schematics for all systems Technical Depth Depth: Expert Level: Suitable for professional mechanics and advanced DIY enthusiasts Diagnostic Tools: Covers use of specialized BMW diagnostic tools (e.g., ISTA/D, INPA if applicable) Emissions Control: Detailed information on emission control systems and diagnostics 📊 Manual Specifications File Format Format Type: PDF (Portable Document Format) Searchability: Fully searchable text for quick information retrieval Printability: Printable pages for workshop use Print Quality Resolution: High-resolution images and diagrams Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 Displacement: 2.5 Liters (2494 cc) Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 10.2:1 Valve Train: DOHC, 24 Valves (4 per cylinder), Double VANOS Performance Horsepower: 184 hp @ 6000 rpm Torque: 237 Nm (175 lb-ft) @ 3500 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91+ Octane Recommended) Fuel Tank Capacity: 60 Liters (15.8 US Gallons) 🔧 Transmission Standard Type: 5-Speed Manual (Getrag S5D 250G) Optional Type: 5-Speed Automatic (GM 5L40-E) Features Manual Gear Ratios 1-5: 3.77 / 2.13 / 1.42 / 1.00 / 0.85 Manual Final Drive Ratio: 3.38 Automatic Fluid Type: BMW ATF LT-2 (or equivalent Dexron III/VI for some applications, check manual) Manual Fluid Type: BMW MTF LT-2 (or equivalent high-quality manual transmission fluid) 📐 Dimensions Exterior Wheelbase: 2760 mm (108.7 in) Length: 4471 mm (176.0 in) Width: 1739 mm (68.5 in) Height: 1415 mm (55.7 in) Front Track: 1471 mm (57.9 in) Rear Track: 1484 mm (58.4 in) Weights Curb Weight Manual: 1470 kg (3241 lbs) Curb Weight Automatic: 1495 kg (3296 lbs) Gross Vehicle Weight Rating: 1900 kg (4189 lbs) Cargo Trunk Capacity: 430 Liters (15.2 cu ft) 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars NHTSA Side Impact: 4 Stars Active Features Traction Control: Automatic Stability Control (ASC) / Dynamic Stability Control (DSC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) Passive Features Airbags: Frontal airbags (driver/passenger), side-impact airbags (front), optional head protection airbags Seatbelts: 3-point inertia-reel seatbelts with front pretensioners Chassis Structure: Reinforced safety cage, crumple zones 💡 Technology Features Infotainment Head Unit Options: BMW Business CD, BMW Professional CD, optional navigation system (MKIV) Audio System: Standard 6-speaker system, optional Harman Kardon sound system Driver Assistance Cruise Control: Standard electronic cruise control Parking Sensors: Optional rear park distance control (PDC) Connectivity Phone Integration: Optional Bluetooth hands-free interface 🔧 Maintenance Service Intervals Oil Change Interval: Approx. 7,500-10,000 miles or 12 months (based on Condition Based Service - CBS, or 7,500 miles for older recommendations) Air Filter Replacement: Every 30,000 miles or as needed Spark Plug Replacement: Approx. 60,000 miles (OEM Bosch FGR7DQP+ or equivalent) Coolant Flush: Every 2-3 years or 30,000-45,000 miles Brake Fluid Flush: Every 2 years Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) Synthetic 5W-30 or 0W-30 Engine Oil Capacity: 6.5 Liters (6.9 US Quarts) with filter change Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based)...