🏷️ Basic Information Identification Make: BMW Model: 325xi Chassis Code: E46 Generation Generation Identifier: E46 (Second Generation 3 Series) Codes Platform Code: E46 👋 Introduction Market Position Vehicle Class: Compact Executive Sedan/Wagon Competitive Analysis Key Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS300. Key Features Driving Dynamics: Renowned for BMW's signature handling, balanced chassis, and the stability of the xDrive all-wheel-drive system. Powertrain: Smooth inline-six engines known for their refinement and linear power delivery. Build Quality: Typical BMW build quality with premium materials and solid construction for its era. Manual Value Proposition Target Audience: DIY mechanics, independent repair shops, and BMW enthusiasts seeking in-depth knowledge. 📋 Manual Details Coverage Areas Years Covered: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Workshop Repair and Service Manual Language Language: English Format Format: PDF Download File Format File Type: PDF Print Quality Printability: High-resolution, optimized for printing or screen viewing. Binding Type Binding Method: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, timing, cooling system, lubrication system, emissions control. Engine Electrical: Ignition system, fuel injection system (DME), starter, alternator, battery, wiring diagrams. Transmission: Automatic and Manual transmissions: Removal, installation, overhaul, fluid specifications, shift control. Drivetrain: xDrive all-wheel drive system, differential, driveshafts, CV joints, transfer case. Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, wheel alignment specifications. Steering: Power steering system, steering rack, steering column, linkages. Brakes: Front and rear brake systems (ABS, DSC), rotors, calipers, pads, hydraulic system, parking brake. Electrical System: Body control module (BCM), lighting, wipers, horn, central locking, power windows, mirrors, instrument cluster. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, climate control, refrigerant, blower motor, compressor. Body And Interior: Body panels, doors, hood, trunk, bumpers, interior trim, seats, airbags. Diagnostics And Troubleshooting: OBD-II diagnostics, fault codes, diagnostic procedures for all major systems. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection. Component Replacement: Detailed instructions for replacing engine components, transmission, suspension parts, brakes, electrical modules. Troubleshooting Guides: Systematic approaches to diagnosing and resolving common and uncommon vehicle issues. Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems. Technical Data Tables: Torque specifications, clearances, fluid capacities, electrical specifications. Technical Depth Depth Level: Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, including advanced diagnostics. ⚙️ Engine Specifications Primary Engine Engine Type: M54B30 Inline 6-Cylinder Engine Displacement: 2979 cc (3.0 Liters) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 5900 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (EFI) - Bosch Motronic ME 7.2 Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Engine Management ECU Type: Bosch Motronic ME 7.2 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag S5D 320Z) Optional Transmission Type: 5-Speed Automatic (ZF 5HP19) Features Transmission Fluid Type: ATF Dexron III/VI for automatic, Manual gearbox oil (specific BMW spec, e.g., ATF Dextron III H) Transfer Case: BMW xDrive all-wheel-drive system with center differential. 📐 Dimensions Exterior Wheelbase: 2760 mm (108.7 inches) Length: 4471 mm (176.0 inches) Width: 1739 mm (68.5 inches) Height: 1372 mm (54.0 inches) Weights Curb Weight: Approx. 1565 kg (3450 lbs) Gross Vehicle Weight Rating: Approx. 2000 kg (4400 lbs) Cargo Trunk Volume: 430 liters (15.2 cubic feet) for sedan 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver), 5 Stars (Passenger) Active Features Traction Control: Dynamic Stability Control (DSC) ABS: Anti-lock Braking System (ABS) All Wheel Drive: BMW xDrive permanent all-wheel drive with Variable Torque Distribution (VTD) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags. Seatbelts: 3-point inertia-reel seatbelts with pretensioners and force limiters. 💡 Technology Features Infotainment Infotainment System: Optional: BMW Professional Radio, CD player, optional navigation system (MKIII/MKIV). Driver Assistance Traction And Stability Control: Dynamic Stability Control (DSC) and Traction Control (ASC+T). Connectivity Connectivity Features: Optional: BMW Assist telematics, hands-free Bluetooth (later models). 🔧 Maintenance Service Intervals Oil Change Interval: BMW Condition Based Service (CBS) typically recommends every 10,000-15,000 miles or 12-24 months, depending on driving conditions. Spark Plug Replacement: Every 60,000 - 100,000 miles (depending on plug type, e.g., iridium) Coolant Flush: Every 30,000 - 60,000 miles or 2-4 years. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or equivalent SAE 5W-30 or 5W-40 synthetic oil. Engine Oil Capacity: 6.5 liters (6.9 US quarts) with filter change. Coolant Type: BMW Blue Ethylene Glycol Coolant (50/50 mix with distilled water). Brake Fluid Type: DOT 4 Known Issues Ccv System: Crankcase Ventilation (CCV) system failure leading to oil consumption and smoke. Cooling System: Plastic cooling system components (expansion tank, water pump, thermostat housing) prone to cracking. Oil Leaks: Valve cover gasket, oil filter housing gasket, and oil pan gasket commonly leak. Suspension...