🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 325i Codes Chassis Code: E46 Engine Code: M54B25 👋 Introduction Market Position Market Position: The BMW 3 Series (E46) represented the compact executive car segment, known for its driving dynamics, premium quality, and performance. The 325i model was a popular mid-range offering within the E46 lineup. Competitive Analysis Competitors: Primary competitors included the Mercedes-Benz C-Class, Audi A4, Lexus IS, and Infiniti G35. Key Features Key Features: Rear-wheel drive bias, balanced chassis, responsive engines, premium interior appointments, and advanced technology for its era. Chassis Dynamics: The E46 platform is renowned for its well-engineered multi-link front suspension and independent rear suspension, contributing to its exceptional handling characteristics. 📋 Manual Details Coverage Areas Applicable Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Page Count Page Count: 1250 Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: PDF (Instant Download) 📖 Manual Coverage Systems Covered Engine: Engine mechanical, fuel system, ignition system, cooling system, lubrication system, engine management (DME), emissions control. Transmission: Manual and Automatic transmission systems, clutch, driveline, drive axles. Brakes: Brake system (hydraulic, ABS, DSC), brake pad replacement, rotor replacement, caliper service. Electrical: Complete electrical system, wiring diagrams, fuses, relays, battery, charging system, starting system, lighting, instrumentation, body electronics (BCM, comfort modules). Suspension: Front and rear suspension components, shock absorbers, struts, control arms, bushings, steering system. Body: Body structure, body panels, doors, hood, trunk, interior trim, HVAC system, exterior lighting. Fuel System Detail: Fuel pump, fuel injectors, fuel pressure regulator, fuel filter, evaporative emissions control system. Ignition System Detail: Ignition coils, spark plugs, crankshaft position sensor, camshaft position sensors. Procedures Included Maintenance: Oil change, filter replacement, spark plug replacement, fluid checks and changes, belt inspection and replacement. Repair: Engine overhaul, transmission repair, brake system overhaul, suspension component replacement, electrical component repair. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, diagnostic connector location. Exhaust System: Diagnosis and repair of exhaust system components, catalytic converter replacement, muffler service. Steering: Power steering system diagnosis and repair, steering rack replacement, tie rod end replacement. Climate Control: HVAC system diagnosis, refrigerant service, blower motor replacement, evaporator core replacement. Body And Trim: Interior and exterior trim removal and installation, door panel removal, seat removal, window regulator repair. Wheel And Tire: Wheel and tire replacement, torque specifications, alignment procedures. Chassis And Frame: Chassis component inspection and repair, rust prevention and repair guidance. Timing Belt Chain: While the M54 engine features a timing chain, the manual would cover inspection, tensioner service, and associated component replacement if needed, unlike timing belts. Technical Depth Depth: Comprehensive, covering routine maintenance, diagnostics, repair, and overhaul procedures for all major vehicle systems. Electrical Diagnostics Detail: Detailed wiring diagrams for all circuits, fuse and relay box locations, troubleshooting trees for electrical faults. Engine Performance Tuning: Information on engine control unit (ECU) parameters and potential adjustments, although primarily focused on stock specifications and repair. Transmission Rebuild: Detailed procedures for manual and automatic transmission overhaul, including component identification, torque specifications, and assembly sequences. Diagnostic Tool Interface: Information regarding the OBD-II diagnostic port and common diagnostic tools used for BMW vehicles of this era. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing individual pages or the entire document. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Text Searchable: Yes Navigation Hyperlinked Sections: Typically Yes for PDF manuals of this caliber, allowing for easy navigation between sections and topics. ⚙️ Engine Specifications Primary Engine Engine Type: Inline-6 Cylinder, Naturally Aspirated Engine Displacement: 2.5 Liters (2494 cc) Performance Horsepower: 184 hp @ 6000 rpm Torque: 245 Nm (181 lb-ft) @ 3500 rpm Engine Code Designation: M54B25 signifies a 2.5-liter displacement (B25) M54 engine. Fuel System Fuel System Type: Multi-point Fuel Injection (Bosch Motronic ME 7.2) Recommended Fuel: Premium Unleaded Gasoline (91 Octane or higher) Engine Management Dme Model: Bosch Motronic ME 7.2 Engine Internals Bore X Stroke: 84.0 mm x 90.0 mm Compression Ratio: 10.2:1 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Optional Transmission Type Optional: 5-Speed Automatic (Steptronic) Features Drivetrain: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Length: 4471 mm (176.0 in) Width: 1739 mm (68.5 in) Height: 1412 mm (55.6 in) Wheelbase: 2760 mm (108.7 in) Front Overhang: 825 mm (32.5 in) Rear Overhang: 885 mm (34.8 in) Weights Curb Weight: 1480 kg (3263 lbs) - Manual Transmission Gross Vehicle Weight Rating Gvwr: Varies by model and configuration, but typically around 1950 kg (4300 lbs). Consult manual for precise rating. 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star NHTSA Front Impact Passenger: 5-Star IIHS Moderate Overlap Frontal Offset: Good Passive Features Airbags: Front dual-stage airbags, front side airbags. Seatbelts: 3-point inertia-reel seatbelts with pretensioners and force limiters. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control:...