🏷️ Basic Information Identification Make: BMW Model: 323i Year: 2005 Codes Chassis Code: E46 Engine Code Primary: M54B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, professional repair shops servicing BMW vehicles. Competitive Analysis Competitors 2005: Audi A4, Mercedes-Benz C-Class, Lexus IS300, Infiniti G35. Key Features Model Highlights: Rear-wheel drive dynamics, refined inline-six engine, premium interior, sporty handling. Manual Value Proposition: Provides essential knowledge for maintaining and repairing the E46 323i, saving costs and ensuring proper vehicle upkeep. 📋 Manual Details Coverage Areas Models Covered: All 323i (E46) models Engines Covered: All engine variants for 323i Transmissions Covered: All transmission types (manual and automatic) Trim Levels Covered: All trim levels Page Count Estimated Pages: 1500+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, lubrication, cooling, fuel delivery, ignition, exhaust, ECU control, transmission (manual and automatic), driveline. Chassis: Suspension (front and rear), steering system, brakes (hydraulic, ABS, DSC), wheels and tires. Electrical: Battery, charging system, starter, lighting (headlights, taillights, interior), instrumentation, power windows, mirrors, locks, wipers, horn, fuses, relays, wiring diagrams. Bodywork: Body panels, doors, hood, trunk, bumpers, interior trim, glass, convertible top mechanism (if applicable). HVAC: Air conditioning, heating, ventilation system. Procedures Included Maintenance: Routine maintenance checks, oil changes, filter replacements, fluid checks and top-offs, brake inspections, tire rotations. Troubleshooting: Diagnostic procedures for common faults, fault code interpretations, symptom-based troubleshooting guides. Repair: Step-by-step repair instructions for all major components, including engine rebuilds, transmission overhauls, brake caliper replacement, suspension component replacement, electrical component diagnosis and replacement. Diagnostics: Detailed diagnostic flowcharts, component testing procedures, sensor signal analysis, DME/ECU diagnostics. Technical Depth Depth: Comprehensive. Covers basic maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and wiring diagrams. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes Printable: Yes Resolution: High-resolution for clear text and diagrams Print Quality Quality Description: Professional PDF with clear diagrams and legible text, suitable for digital viewing or printing individual sections. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: BMW M54B25 Engine Type: Naturally Aspirated Inline-6 Cylinder Displacement Liters: 2.5 Displacement Cid: 152 Bore Mm: 82 Stroke Mm: 79.5 Compression Ratio: 10.2:1 Valvetrain: DOHC, 4 valves per cylinder, VANOS (Variable Valve Timing) Performance Horsepower Hp: 184 Torque Lb Ft: 175 Redline Rpm: 6500 Fuel System Fuel Delivery: Electronic Multi-Point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management ECU Type: Bosch Motronic (specific variant varies) Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48 or equivalent) Coolant Capacity Liters: Approx. 8.0 🔧 Transmission Standard Type: 5-speed Manual Getrag GS5-39DZ Optional Type: 5-speed Steptronic Automatic (GM A5S360R/A5S390R) Features Clutch Type: Hydraulic, single-plate dry clutch (Manual) Automatic Features: Sport and Manual modes, torque converter lock-up Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 or equivalent (e.g., Pentosin MTF2) Automatic Transmission Fluid: BMW ATF LT-3 or equivalent (e.g., Pentosin ATF1) 📐 Dimensions Exterior Length Mm: 4471 Width Mm: 1739 Height Mm: 1412 Wheelbase Mm: 2760 Front Track Mm: 1471 Rear Track Mm: 1484 Cargo Trunk Volume Liters: 440 Weights Curb Weight Kg Manual: 1450 Curb Weight Kg Automatic: 1475 Gross Vehicle Weight Rating Kg: 1900 Tires Wheels Standard Wheel Size: 16-inch alloy Standard Tire Size: 205/55 R16 Optional Wheel Size: 17-inch and 18-inch alloy Wheel Bolt Pattern: 5x120 Center Bore Mm: 72.5 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star NHTSA Front Impact Passenger: 5-Star IIHS Front Offset Driver: Good Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Dynamic Stability Control (DSC) Brake Assist: Standard Passive Features Airbags: Frontal airbags (driver and passenger), optional side-impact airbags. Seatbelts: 3-point inertia-reel seatbelts with pretensioners and force limiters. Body Structure: Reinforced passenger cell, crumple zones. 💡 Technology Features Infotainment Head Unit Options: Factory BMW Business CD, Professional CD, or optional navigation system with integrated radio and CD player. Audio System: Standard 6-speaker system, optional Harman Kardon premium audio. Driver Assistance Cruise Control: Standard on most models. Parking Assistance: Optional rear parking sensors (PDC). Connectivity Bluetooth: Optional Bluetooth hands-free system integration with compatible phones. Aux Input: Available on some Professional CD head units or via aftermarket adapters. 🔧 Maintenance Service Intervals Oil Change Interval Miles: Typically 7,500 to 15,000 miles, depending on driving conditions and oil used, as indicated by the Condition Based Service (CBS) system. Engine Air Filter Replacement: Every 30,000 miles or as needed based on inspection. Cabin Air Filter Replacement: Every 15,000 to 30,000 miles. Spark Plug Replacement: Approx. 60,000 miles for standard plugs; 100,000 miles for long-life plugs (e.g., Iridium). Brake Fluid Flush: Every 2 years, regardless of mileage. Coolant Flush: Every 3 to 5 years or as per manual recommendation. Fluid Specifications Engine Oil Type: BMW Longlife-01...