🏷️ Basic Information Identification Make: BMW Model: 325 Sub Model: 325xi Codes Chassis Code: E46 Engine Code Family: M54 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Reputation: Known for sporty handling, premium interior, and engaging driving experience. Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS. Key Features Driving Dynamics: Balanced chassis, rear-wheel-drive bias (even in xi models), responsive steering. Premium Appointments: High-quality interior materials, ergonomic design, driver-focused cockpit. Manual Value Proposition Benefit: Empowers owners and technicians with detailed, authoritative repair and maintenance information for the BMW 325xi E46 generation. 📋 Manual Details Coverage Areas Covered Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Page Count Page Count: 1258 Manual Type Manual Type: Workshop Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, exhaust system, lubrication system, engine electrical, powertrain control module (PCM). Drivetrain: All-Wheel Drive (xDrive) system, differentials (front, center, rear), driveshafts, transfer case, hub assemblies. Chassis: Suspension (front and rear), steering system, braking system (ABS, DSC), wheel alignment. Electrical: Body electrical systems, lighting, instruments, gauges, power windows, central locking, climate control, SRS airbags, diagnostic connectors (OBD-II). Bodywork: Body and frame construction, exterior trim, interior trim, doors, hood, trunk, bumpers, glass, seals. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement. Repair: Engine repair (head gasket, timing chain, valve seals), transmission service and repair, brake component replacement, suspension and steering component replacement, electrical diagnostics and component replacement. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, component testing procedures. Overhaul: Engine overhaul procedures, transmission overhaul, differential rebuilds. Technical Depth Depth: Comprehensive (from basic maintenance to advanced diagnostics and full rebuild procedures). 📊 Manual Specifications File Format File Format: PDF Print Quality Quality: High-resolution, searchable text, printable pages. Binding Type Binding: Not Applicable (Digital PDF) Paper Type Paper Type: Not Applicable (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Name: BMW M54B30 Engine Type: Inline-6, Naturally Aspirated Displacement: 2.979 cc (3.0 Liters) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 6000 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (Bosch Motronic ME7.2) Fuel Type: Premium Unleaded Gasoline (91 Octane Recommended) Other Engine Details Valvetrain: Dual Overhead Camshafts (DOHC), 4 valves per cylinder, VANOS (Variable Valve Timing). Engine Management: BMW Electronic Engine Management (MS43/MS45 depending on model year variations). 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag GS5-39DZ) Optional Transmission Type: 5-Speed Automatic (GM Steptronic A5S 325Z) Features Drivetrain Configuration: xDrive All-Wheel Drive Transfer Case: Gerodisc multi-plate clutch system for variable torque distribution. Fluid Specifications Manual Transmission Fluid: BMW MTF-LT-2 (or equivalent, e.g., Red Line D4 ATF, Pentosin MTF-2) Automatic Transmission Fluid: BMW ETL-7045E (or equivalent, e.g., Dexron III) Transfer Case Fluid: BMW Fluid G2 / G3 (or equivalent, e.g., Pentosin FFL-3) 📐 Dimensions Exterior Wheelbase: 107.4 inches (2728 mm) Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.6 inches (1412 mm) Weights Curb Weight: Approx. 3450 lbs (1565 kg) Gross Vehicle Weight Rating: Approx. 4542 lbs (2060 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars NHTSA Side Impact: 4 Stars Active Features Stability Control: Dynamic Stability Control (DSC) standard. Traction Control: Automatic Stability Control and Traction (ASC+T). Braking: Anti-lock Braking System (ABS), ventilated front and solid rear disc brakes. Passive Features Airbags: Frontal airbags for driver and passenger, optional side-impact airbags. Body Structure: Reinforced safety cell, crumple zones. 💡 Technology Features Infotainment Head Unit: BMW Business CD or Professional CD/RDS radio, optional Professional Navigation system. Audio System: Standard 6-speaker system, optional Harman Kardon premium audio. Driver Assistance Stability Control: DSC (Dynamic Stability Control) system with integration to ABS and traction control. Connectivity Auxiliary Input: Not standard; aftermarket solutions often available. Convenience Features Climate Control: Manual or optional automatic climate control (ACC). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 - 10,000 miles or as indicated by the Condition Based Service (CBS) system. Spark Plug Replacement: 100,000 miles (Long-Life Platinum or Iridium plugs). Coolant Flush: Every 2-4 years or 30,000-50,000 miles. Fluid Specifications Engine Oil Specification: BMW Longlife-01 (LL-01) approved synthetic oil, SAE 5W-30 or 5W-40. Engine Oil Capacity: 6.5 U.S. quarts (6.2 liters) with filter. Coolant Type: BMW Blue Antifreeze/Coolant (G48). Known Issues Common Faults: Oil filter housing gasket leaks, CCV (Crankcase Ventilation) system failure leading to oil consumption/sealing issues, radiator end-tank cracks, water pump failure, VANOS solenoid issues, power steering leaks, cooling fan clutch failure (mechanical fan), subframe mounting fatigue. Diagnostic Tips: The manual provides detailed troubleshooting for common issues like rough idle (CCV/vacuum leaks), misfires (ignition coils, spark plugs), and cooling system faults. 📚 Vehicle History Brand Heritage Brand Legacy: BMW, Bayerische Motoren Werke AG, a long-standing German manufacturer renowned...