🏷️ Basic Information Identification Make: BMW Model: 325i Model Variant: 325 Year: 2001 Generation Chassis Code: E46 Generation Code: E46 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Brand Perception: Known for sporty handling, premium interior, and refined engineering. Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35 Key Features Driving Dynamics: Rear-wheel drive bias, balanced chassis, precise steering Interior Quality: Premium materials, driver-focused cockpit, comfortable seating Engineering: Renowned BMW inline-six engines, advanced suspension technology 📋 Manual Details Coverage Areas Coverage Summary: All Models, Engines, Trim, and Transmission Types for 2001 BMW 325i Specific Models Covered: BMW 325i (E46) Sedan, Coupe, Convertible, Sports Wagon (Touring) Page Count Estimated Page Count: 1500+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Full Engine Mechanical, Engine Management, Fuel Injection, Ignition System, Cooling System, Lubrication System, Exhaust System Transmission Drivetrain: Automatic Transmission (Steptronic), Manual Transmission, Drivetrain, Drive Shafts, Axles, Differentials Brakes: Hydraulic Brake System, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), Brake Pad/Rotor Replacement, Brake Fluid Flush Suspension Steering: Front Suspension (MacPherson Strut), Rear Suspension (Multi-link), Power Steering System, Wheel Alignment Electrical Electronics: Complete Electrical System, Battery, Alternator, Starter, Lighting, Fuses, Relays, ECU (Engine Control Unit), DME (Digital Motor Electronics), Body Control Module (BCM), Instrument Cluster, Power Windows, Central Locking, Radio/Audio System, Navigation System (Optional) Body Chassis: Body Panels, Doors, Hood, Trunk, Bumpers, Chassis Components, Underbody Protection, Rust Prevention Heating Ventilation Ac: HVAC System, Climate Control, Compressor, Condenser, Evaporator, Blower Motor, Cabin Air Filter Procedures Included Maintenance: Oil Change, Filter Replacement (Oil, Air, Cabin), Spark Plug Replacement, Coolant Flush, Brake Fluid Flush, Transmission Fluid Change, Differential Fluid Change, Power Steering Fluid Flush, Belt Replacement, Wiper Blade Replacement Troubleshooting: Diagnostic Trouble Codes (DTCs), Engine Performance Issues, Electrical Faults, HVAC Malfunctions, Transmission Problems, Suspension Noises, Brake System Faults Repair: Engine Component Replacement (e.g., head gasket, water pump, thermostat), Transmission Repair, Brake Component Replacement (e.g., calipers, master cylinder), Suspension Component Replacement (e.g., struts, control arms), Electrical Component Replacement (e.g., sensors, modules), Body Panel Repair/Replacement Diagnostics: OBD-II Diagnostics, Engine Control System Diagnostics, ABS/DSC Diagnostics, SRS (Supplemental Restraint System) Diagnostics Technical Depth Depth: Comprehensive: From basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring diagrams. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Text-searchable for quick information retrieval Printability: Printable pages for workshop use Print Quality Resolution: High-resolution images and diagrams Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M54B30 Engine Type: 3.0L Inline 6-Cylinder (DOHC, 24 Valves) Displacement: 2979 cc (3.0 Liters) Performance Horsepower: 225 hp @ 5900 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91+ Octane Recommended) Engine Management ECU: DME (Digital Motor Electronics) 🔧 Transmission Standard Standard Transmission: 5-Speed Manual Transmission Optional Optional Transmission: 5-Speed Steptronic Automatic Transmission Features Steptronic Mode: Allows manual gear selection via shifter or steering wheel buttons 📐 Dimensions Exterior Length: Sedan: 177.4 in (4506 mm) Width: Sedan: 68.5 in (1740 mm) Height: Sedan: 55.7 in (1415 mm) Wheelbase: 108.7 in (2760 mm) Weights Curb Weight: Approx. 3350 lbs (1520 kg) for Sedan Manual 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver and Passenger) IIHS Side Impact: Good (for comparable models) Active Features ABS: Standard Anti-lock Braking System Dsc: Standard Dynamic Stability Control (also includes traction control) Passive Features Airbags: Frontal Driver and Passenger Airbags, Optional Side-Impact Airbags Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD player, optional Harman Kardon premium audio system. Navigation: Optional BMW Professional Navigation system (older generation CRT screen). Driver Assistance Cruise Control: Standard cruise control. Parking Assistance: Optional rear parking sensors (Park Distance Control - PDC). Connectivity Telematics: Optional BMW Assist telematics system. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 - 10,000 miles (or as indicated by Condition Based Service - CBS) using BMW approved synthetic oil. Air Filter Replacement: Inspect every 15,000 miles, replace every 30,000 miles or as needed. Cabin Filter Replacement: Inspect every 15,000 miles, replace every 30,000 miles or as needed. Spark Plug Replacement: Every 60,000 - 100,000 miles depending on plug type (e.g., iridium). Coolant Flush: Every 30,000 - 60,000 miles. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) Approved Synthetic SAE 5W-30 or 0W-30 Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) Brake Fluid Type: DOT 4 Transmission Fluid Auto: Dexron III/VI (or BMW approved equivalent for specific transmission model) Transmission Fluid Manual: BMW Manual Gearbox Oil (e.g., SAF-XJ 75W-140 for differential, specific MTF for gearbox) Known Issues Ccv System: Crankcase Ventilation (CCV) system failure can lead to oil leaks and rough running. Cooling System:...