🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Model Year: 2004 👋 Introduction Market Position Positioning: Essential resource for BMW E46 owners seeking to perform maintenance and repairs themselves, saving on labor costs. Competitive Analysis Authenticity: Official factory manual, distinguishing it from third-party alternatives. Key Features Content Detail: Hundreds of pages of detailed information, illustrations, diagrams, and specifications. Usability: Searchable PDF format for quick information retrieval and targeted printing. User Benefit: Empowers owners to make informed maintenance decisions and perform repairs like factory-trained technicians. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Wiring Diagrams, Bodywork Page Count Estimated Pages: Hundreds (specific count not provided, but implied to be extensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine Service/Repair, Transmission Service/Repair, Fuel Injection/Fuel System, Cooling System, Emission System, Engine Control System, Differential/Drive, Axle Chassis: Brake System, Suspension, Steering Electrical: Wiring Diagram, Electrical System Body Interior: Chassis/Body, Restraint System, Interior, Heater/Air Conditioning Procedures Included Maintenance: General Maintenance, Periodic Lubrication Repair: Step-by-step repair procedures for all covered systems Diagnostics: Troubleshooting, Advanced Troubleshooting Guide Technical Depth Depth: Comprehensive, factory-level detail for professional technicians and owners 📊 Manual Specifications File Format Format: PDF Accessibility: Viewable on PC (Windows) and Mac Print Quality Printability: Fully printable (individual pages, chapters, or entire manual) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Software Requirements Reader: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Options E46 2004: Multiple, including M54B22 (2.2L inline-6), M54B25 (2.5L inline-6), M54B30 (3.0L inline-6), N42B18 (1.8L inline-4), N46B20 (2.0L inline-4), S54B32 (3.2L inline-6 for M3). Performance Typical Horsepower Range: Approximately 148 hp (1.8L) to 333 hp (M3). Typical Torque Range: Approximately 150 lb-ft (1.8L) to 262 lb-ft (M3). Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with VANOS (Variable Valve Timing) on many models. Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended). 🔧 Transmission Standard Transmission Type: Typically 5-speed manual (Getrag 250G for most inline-6) or 5/6-speed automatic (Steptronic). Optional Transmission Type: SMG (Sequential Manual Gearbox) was an option on certain models, especially M3. Features Clutch Type: Hydraulically actuated single-plate dry clutch for manual transmissions. 📐 Dimensions Exterior Body Styles E46: Sedan (4-door), Coupe (2-door), Convertible (2-door), Sports Wagon (Touring, 5-door). Wheelbase Range: Approximately 107.3 inches (2726 mm) for most sedans and coupes. Weights Curb Weight Range: Approximately 3100 lbs to 3600 lbs depending on body style and engine. 🛡️ Safety Features Ratings NHTSA Front Impact: Generally rated 4 stars for driver and front passenger. IIHS Side Impact: Generally rated 'Good' for side-impact. Active Features Braking: Anti-lock Braking System (ABS), Dynamic Stability Control (DSC). Traction: Automatic Stability Control + Traction (ASC+T) on some models. Passive Features Airbags: Frontal airbags, side airbags, and optional head airbags (side curtain airbags). Restraint System: Three-point seat belts with pretensioners and force limiters. 💡 Technology Features Infotainment Head Unit Options: BMW Business CD, BMW Professional CD, optional navigation systems (MKIII, MKIV). Audio Features: Optional Harman Kardon sound system, CD changer, cassette player. Driver Assistance Cruise Control: Standard on most models. Parking Assistance: Optional rear park distance control (PDC). Connectivity Phone Integration: Optional Bluetooth hands-free system. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500-10,000 miles or 12-15,000 km, indicated by the Condition Based Service (CBS) system. Brake Fluid Flush: Every 2 years, regardless of mileage. Fluid Specifications Engine Oil: BMW recommends Castrol EDGE Professional OE 5W-30 or equivalent synthetic oil meeting BMW LL-01 specification. Oil capacity varies by engine, e.g., ~6.5 quarts for M54B30. Coolant: BMW Blue Antifreeze/Coolant (G48) or equivalent, mixed 50/50 with distilled water. Capacity approx. 7-8 quarts. Transmission Fluid Auto: ATF LT-71141 (e.g., Pentosin ATF LT 71141) or equivalent for GM 5L40-E automatic transmission. Capacity ~4-5 quarts for a fluid change. Transmission Fluid Manual: MTF LT-2 (e.g., Pentosin MTF LT-2) or equivalent. Capacity varies by transmission model. Known Issues Cooling System: Plastic expansion tank cracks, water pump failure, thermostat issues. Suspension: Front control arm bushings (challenging to replace separately), rear trailing arm bushings, subframe mounts. Engine M54: CCV (Crankcase Ventilation) system failure, oil filter housing gasket leaks, VANOS solenoid issues. Electrical: ABS/DSC sensor failures, alternator bearing noise, LCM (Light Control Module) issues. 📚 Vehicle History Brand Heritage Bmw Philosophy: Focus on 'Ultimate Driving Machine,' emphasizing performance, handling, and driver engagement. Model Evolution E46 Generation Period: 1998-2006 (facelifted in 2001). E46 Positioning: Successor to the E36, known for improved chassis dynamics, ride quality, and refined styling. Production Manufacturing Locations: Primarily Germany (Dingolfing, Regensburg) and also South Africa, Egypt, Thailand, Russia, Indonesia, Ukraine, Vietnam, India, and China. 🏆 Awards & Recognition Recognitions Car And Driver Year: The 3 Series (including E46) was a consistent Car and Driver 10Best winner during its production run. Ratings Consumer Reports...