🏷️ Basic Information Identification Make: BMW Model: 325i Chassis Code: E46 Production Years Covered: 1999, 2000, 2001, 2002, 2003, 2004, 2005 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, independent repair shops Competitive Analysis Key Competitors: Mercedes-Benz C-Class (W203), Audi A4 (B6), Lexus IS300, Infiniti G35 Key Features Driver Engagement: Renowned for its balanced chassis, rear-wheel-drive dynamics, and precise steering. Engine Lineup: Offered a range of inline-six engines known for smooth power delivery and durability. Build Quality: High levels of interior and exterior build quality, typical of BMW. 📋 Manual Details Coverage Areas Manual Type: Comprehensive Service, Maintenance, and Repair Manual Language: English Format: Likely Digital (PDF) or Printed Book - specific format not detailed but implies comprehensive document Page Count Page Count: Not explicitly stated, but description implies extensive coverage (often 1000+ pages for such manuals) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, repair, diagnostics, and tuning for M54B25 engine Engine Electrical: Ignition system, fuel injection, DME (Digital Motor Electronics) diagnosis, sensor testing, wiring diagrams Transmission Manual: Repair, maintenance, and diagnostics of Getrag 5-speed manual transmission (e.g., GS5-39DZ) Transmission Automatic: Repair, maintenance, and diagnostics of ZF 5HP19 (or similar) 5-speed automatic transmission Drivetrain: Differential, driveshafts, CV joints, clutch system Suspension: Front struts, rear multi-link suspension, bushings, control arms, springs, shock absorbers Steering: Power steering system, steering rack, tie rods, alignment procedures Brakes: Hydraulic system, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake pad/rotor replacement, bleeding procedures Fuel System: Fuel pump, injectors, fuel filter replacement, EVAP system diagnosis Cooling System: Radiator, water pump, thermostat, coolant hoses, fan clutch/electric fan Exhaust System: Catalytic converter, mufflers, oxygen sensors, exhaust manifold Electrical System: Battery, alternator, starter motor, lighting, power windows, central locking HVAC: Air conditioning, heater core, blower motor, climate control module Body And Chassis: Body panels, doors, interior trim, frame damage assessment Diagnostic Troubleshooting: Extensive troubleshooting charts, fault code interpretation (OBD-II), symptom-based diagnostics Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement Major Repairs: Engine rebuilds, transmission overhauls, suspension component replacement, brake system overhauls Component Replacement: Detailed instructions for replacing individual parts like water pump, alternator, starter, sensors, etc. Troubleshooting Faults: Step-by-step diagnostic procedures for identifying and rectifying common and uncommon issues Electrical Diagnostics: Testing circuits, diagnosing sensor faults, using multimeter and oscilloscopes (implicitly) Alignment And Balancing: Wheel alignment specifications and procedures, tire balancing Bodywork Repair: Minor dent repair, panel alignment, rust prevention (likely covered to a degree) Technical Depth Depth: Advanced diagnostic procedures, complete rebuild specifications, torque values for all fasteners, detailed wiring diagrams Diagrams And Illustrations: Exploded views, schematics, and step-by-step diagrams for visual guidance 📊 Manual Specifications File Format File Format: Likely PDF for digital versions; high-quality print for physical books Print Quality Print Quality: Professional printing with clear text and high-resolution diagrams (typical for reputable manual publishers) Binding Type Binding Type: Likely perfect bound or saddle-stitched for printed versions, allowing lay-flat use in a workshop environment Paper Type Paper Type: Durable, possibly gloss or semi-gloss paper to withstand workshop conditions and protect diagrams ⚙️ Engine Specifications Primary Engine Engine Code: M54B25 Engine Type: Naturally Aspirated Inline-6 Cylinder Displacement: 2.5 Liters (2494 cc) Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 10.2:1 Performance Horsepower Hp: 184 hp @ 6000 rpm (approx.) Torque Lb-Ft: 230 Nm (169 lb-ft) @ 3500 rpm (approx.) Fuel System Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic ME9 or similar) Fuel Type: Premium Unleaded (91+ RON) Engine Management Dme Type: DME MS43 or MS45 (depending on year and specific model variant) 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag GS5-39DZ) Optional Transmission Type: 5-Speed Steptronic Automatic (ZF 5HP19) Features Clutch Type: Hydraulic, Single Dry Plate Gear Ratios Manual Approx 1St Gear: 4.23:1 2Nd Gear: 2.52:1 3Rd Gear: 1.70:1 4Th Gear: 1.23:1 5Th Gear: 1.00:1 Reverse: 3.83:1 Transmission Fluid Manual Fluid Type: BMW MTF LT-2 (or equivalent API GL-4 SAE 75W-90) Transmission Fluid Automatic Fluid Type: ZF Lifeguardfluid 5 (or equivalent ATF) 📐 Dimensions Exterior Sedan Approx Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Wheelbase: 107.3 inches (2725 mm) Weights Curb Weight Sedan Approx: 3240 lbs (1470 kg) Gross Vehicle Weight Rating Approx: 4400 lbs (2000 kg) Cargo Trunk Capacity Sedan Approx: 11.7 cubic feet (330 liters) 🛡️ Safety Features Ratings NHTSA Frontal Driver: Good (for compatible model years) NHTSA Frontal Passenger: Good (for compatible model years) IIHS Frontal Offset: Good (for compatible model years) Active Features ABS: Standard (4-wheel disc brakes) Traction Control: ASC (Automatic Stability Control) standard, optional DSC (Dynamic Stability Control) Brake Assist: Available on some models/years Passive Features Airbags Front: Driver and front passenger airbags standard Airbags Side: Optional front side-impact airbags Seatbelts: 3-point inertia-reel seatbelts with pretensioners 💡 Technology Features Infotainment Head Unit Options: Various BMW Professional or...