🏷️ Basic Information Identification Make: BMW Model: 3-series Chassis Code: E46 Model Year: 2004 Generation Generation Name: Fourth Generation Generation Years: 1998-2006 (with facelift in 2001) Codes Platform Code: E46 👋 Introduction Market Position Market Position: The E46 3-series represented a peak in compact executive sedan/coupe design, known for its driving dynamics and premium feel, competing with Mercedes-Benz C-Class, Audi A4, and Lexus IS. Competitive Analysis Competitive Analysis: The E46 offered a superior balance of performance, handling, and luxury compared to many contemporaries, solidifying BMW's reputation for 'The Ultimate Driving Machine'. Key Features Key Features: Exceptional handling and steering feedback, refined inline-6 engines, high-quality interior appointments, and a range of body styles. 📋 Manual Details Coverage Areas Coverage Areas: All 3-series (E46) models, including sedan, coupe, convertible, and wagon variants. Page Count Page Count: Extensive (exact number not provided in product info, but implied to be comprehensive for A-Z repairs) Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Likely printed or a high-quality digital format (PDF) mirroring dealership documentation. Source Credibility Source Credibility: Directly stated as the exact manual used by dealership technicians, ensuring unparalleled accuracy and completeness. 📖 Manual Coverage Systems Covered Systems Covered: Engine (M52, M54, M43, S54 inline-6 and inline-4 variants), Transmission (manual & automatic), Drivetrain, Suspension, Steering, Brakes, Electrical System, Climate Control, Bodywork, Interior Components, Diagnostics. Procedures Included Procedures Included: Routine maintenance (oil changes, fluid flushes, filter replacements), Troubleshooting diagnostics, Component removal and installation, Engine repair and overhaul, Transmission service and repair, Brake system servicing, Electrical system diagnosis and repair, Suspension and steering alignment, Body panel repair, Climate control system troubleshooting, Software diagnostics and coding (likely referencing ISTA/D procedures). Technical Depth Technical Depth: Comprehensive, covering everything from basic maintenance to complex engine and electrical system overhauls. Utilizes exact OEM procedures and specifications. Diagnostics Diagnostics: Detailed diagnostic procedures for all major systems, including fault code interpretation (OBD-II and BMW proprietary codes), live data analysis, and actuator testing. Likely refers to BMW's diagnostic tools like GT1/DIS or ISTA. 📊 Manual Specifications File Format File Format: Implied high-fidelity digital reproduction of dealership manuals, possibly PDF with searchable text and high-resolution diagrams. Print Quality Print Quality: If printed, expected to be high-quality paper with clear diagrams and text, mirroring official BMW documentation. Binding Type Binding Type: If printed, likely a durable binding (e.g., spiral-bound, perfect-bound) suitable for workshop use. Paper Type Paper Type: If printed, durable, possibly glossy paper to withstand workshop conditions and display diagrams clearly. Completeness Completeness: Vehicle Specific, Not Generic; A-Z Coverage of all models and all repairs, identical to dealership technician's resource. Diagrams Diagrams: High-quality, detailed technical diagrams, schematics, and illustrations for all components and systems. ⚙️ Engine Specifications Primary Engine Primary Engine: M54B30 (3.0L Inline-6), M54B25 (2.5L Inline-6), M54B22 (2.2L Inline-6). Also M52TU and M43 variants were available earlier in the E46 lifecycle. Performance 330I Performance: Approx. 225 hp @ 5900 rpm, 214 lb-ft @ 3500 rpm (M54B30) 325I Performance: Approx. 184 hp @ 6000 rpm, 175 lb-ft @ 3500 rpm (M54B25) Fuel System Fuel System: Multi-point fuel injection (Bosch Motronic ME 9.2 or similar for later models), electronic throttle control. Engine Codes 2004 Engine Codes 2004: M54B22, M54B25, M54B30 Engine Variants Engine Variants: Includes naturally aspirated inline-4 (M43) and inline-6 (M52TU, M54) engines, as well as the high-performance S54 inline-6 in the M3 variant (though M3 specific details might be in a separate manual, this implies it is covered). Cooling System Cooling System Type: Pressurized, liquid-cooled system with electric cooling fan and coolant expansion tank. 🔧 Transmission Standard Standard Transmission: Getrag 5-speed manual transmission (GS5-39DZ or similar) Optional Optional Transmission: ZF 5HP19 (5-speed automatic) or 6HP19 (6-speed automatic for later models/variants) Features Transmission Features: Close-ratio gearing for manual, Steptronic functionality (manual shifting via selector lever) for automatic transmissions. 📐 Dimensions Exterior Sedan Length: Approx. 4,471 mm (176.0 in) Sedan Width: Approx. 1,739 mm (68.5 in) Sedan Height: Approx. 1,412 mm (55.6 in) Wheelbase: Approx. 2,725 mm (107.3 in) Weights Curb Weight Sedan: Approx. 1,400-1,550 kg (3,086-3,417 lb) depending on engine and equipment Cargo Sedan Trunk Capacity: Approx. 440 liters (15.5 cu ft) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5 Stars (for sedan body style) NHTSA Front Impact Passenger: 5 Stars (for sedan body style) IIHS Front Offset Score: Good (for models tested) Active Features Active Features: Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Traction Control (ASC+T), optional Xenon headlights. Passive Features Passive Features: Front airbags, front side-impact airbags, available head protection system (HPS) curtain airbags, advanced crumple zones, seatbelt pre-tensioners. Tire Size Examples Tire Size Examples: 205/55R16, 225/45R17, 225/40R18 (depending on model and trim) 💡 Technology Features Infotainment Infotainment System: BMW Professional Radio, optional BMW Business CD, optional Navigation system (MK4 unit), optional Harman Kardon sound system. Driver Assistance Driver Assistance: Cruise control (standard on most),...