Basic Information Identification Make: BMW Model: 323i Model Code: E46 Product Name: BMW 323 323i 1999-2005 Service Repair Manual PDF Download Generation Generation Name: E46 Generation Years: 1998-2006 (Global) Codes Chassis Code: E46 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Positioning: The BMW 3 Series (E46) represented the pinnacle of German engineering and performance in the premium compact segment during its production run, offering a compelling blend of luxury, sportiness, and everyday usability. Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS Key Features Driving Dynamics: Renowned for its balanced chassis, precise steering, and engaging driving experience. Build Quality: Exceptional fit and finish, premium interior materials, and robust construction. Powertrain Refinement: Smooth and powerful inline-six engines. Manual Details Coverage Areas Covered Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Covered Models: BMW 323i Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine: Full overhaul procedures, diagnostics, fuel injection, ignition, cooling, lubrication, emissions control Transmission: Manual and Automatic transmission repair, diagnostics, fluid service Drivetrain: Front axle, rear axle, driveshaft, CV joints, differentials Suspension: Front and rear suspension components, shock absorbers, springs, control arms, alignment specifications Brakes: Brake system components, hydraulic systems, ABS, rotor and pad replacement, bleeding procedures Steering: Power steering system, steering rack, tie rods, steering column Electrical: Complete wiring diagrams, starter, alternator, battery, lighting, fuse box locations, component testing Body: Body panel removal and installation, interior trim, doors, windows, convertible top (if applicable) HVAC: Heating, Ventilation, and Air Conditioning system repair and servicing Interior: Seats, dashboard, center console, airbags Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, brake fluid flush Troubleshooting: Diagnostic procedures, symptom-based troubleshooting guides, common fault codes Repair: Step-by-step repair instructions for all major components and systems Diagnostics: Diagnostic trouble codes (DTCs), scanner usage, sensor testing, ECU diagnostics Specifications: Torque specifications, clearances, fluid capacities, alignment settings, electrical parameters Wiring Diagrams: Comprehensive and detailed electrical wiring schematics for all systems Technical Depth Depth: Comprehensive factory-level repair information suitable for professional technicians and advanced DIY enthusiasts Manual Specifications File Format File Type: PDF Searchable: Yes Printable: Yes Print Quality Image Resolution: High-resolution scans, clear diagrams and text Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Engine Specifications Primary Engine Engine Code: M52TU B25 (2.5L), M54 B25 (2.5L) Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 2494 cc (2.5 Liters) Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 10.2:1 Valve Train: DOHC, 24 Valves (4 per cylinder), VANOS (Variable Valve Timing) Performance Horsepower: 184 hp @ 5900 rpm (M52TU), 192 hp @ 6000 rpm (M54) Torque: 235 Nm @ 3500 rpm (M52TU), 245 Nm @ 3500 rpm (M54) Fuel System Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic/ME) Fuel Type: Premium Unleaded Gasoline (91 RON or higher) Cooling System Coolant Type: BMW Blue Antifreeze (Ethylene Glycol based) Coolant Capacity: Approximately 8.0 Liters (16.9 US Quarts) Lubrication Oil Type: SAE 5W-30 Synthetic (BMW LL-01 or LL-98 approved) Oil Capacity: Approximately 6.5 Liters (6.9 US Quarts) with filter change Transmission Standard Transmission Type: 5-speed Manual (Getrag GS5-39DZ) Optional Transmission Type: 5-speed Automatic (GM Steptronic) Features Manual Features: Close-ratio gearing, sport feel Automatic Features: Steptronic manual shifting mode Fluid Specifications Manual Fluid: MTF LT-1 or MTF LT-2 (GL-4 rated) Automatic Fluid: Esso LT 71141 Dimensions Exterior Length: 4471 mm (Sedan), 4490 mm (Coupe) Width: 1739 mm Height: 1415 mm (Sedan), 1369 mm (Coupe) Wheelbase: 2760 mm Weights Curb Weight: Approx. 1450 kg (Sedan) Gross Weight: Approx. 1950 kg Cargo Trunk Volume: 440 Liters (Sedan) Safety Features Ratings IIHS Front Small Overlap: Good (for comparable E46 models) NHTSA Front Impact: ★★★★★ (5 Stars) Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard ASC+T (Automatic Stability Control + Traction) Passive Features Airbags: Frontal airbags, side airbags Seatbelts: Three-point seatbelts with pretensioners Technology Features Infotainment Head Unit: BMW Business CD or Professional CD radios, optional navigation system (CCC) Features: RDS, CD player, optional cassette player, digital sound processor Driver Assistance Parking Sensors: Optional rear parking sensors (Park Distance Control - PDC) Connectivity Cruise Control: Standard cruise control Bluetooth: Optional Bluetooth integration (via aftermarket kits or specific options) Maintenance Service Intervals Oil Change Interval: Variable Oil Service Interval (VSI) system, typically 10,000-15,000 miles or 12-24 months, based on driving conditions. Brake Fluid Flush: Every 2 years (per BMW recommendations) Coolant Flush: BMW Blue Antifreeze is typically a long-life coolant, but replacement every 4-5 years is recommended. Spark Plugs: Approximately 60,000-100,000 miles (depending on plug type and manufacturer). Transmission Fluid Change: Manual: Typically lifetime fluid, but recommended every 60,000-100,000 miles. Automatic: Recommended every 50,000-80,000 miles. Fluid Specifications Power Steering Fluid: Pentosin CHF 11S or an equivalent hydraulic fluid specified in the manual. Brake Fluid: DOT 4 (BMW...