🏷️ Basic Information Identification Make: BMW Model: M3 Convertible Year: 2004 Chassis Code: E46 Generation: E46 M3 Convertible Bodystyle: Convertible Codes Engine Code: S54B32 👋 Introduction Market Position Positioning: The 2004 BMW M3 Convertible (E46) represented the pinnacle of performance and luxury in the compact executive sports convertible segment. It was a halo model for BMW, known for its motorsport heritage and driver-focused engineering. Competitive Analysis Competitors: Competed directly with high-performance convertibles such as the Mercedes-Benz SLK AMG, Audi S4 Cabriolet, Porsche Boxster S, and Chevrolet Corvette Convertible. Key Features Features: High-revving naturally aspirated inline-six engine, advanced suspension tuning, optional SMG II automated manual transmission, sophisticated convertible roof mechanism, premium interior materials, extensive customization options. 📋 Manual Details Coverage Areas Manual Type: Owner's Manual Language: English Format: Printed Booklet Page Count Page Count: Approximately 250-300 pages (typical for this era and model) 📖 Manual Coverage Systems Covered Systems: Vehicle operation, safety features, basic maintenance, controls and instruments, infotainment system, climate control, convertible top operation, emergency procedures, troubleshooting basic issues. Specific Systems: Includes detailed operation for HVAC system, power windows, power seats, convertible top (hydraulic and electrical components of operation), lighting system, instrument cluster and warning indicators, central locking, and onboard computer functions. Procedures Included Procedures: Starting and driving, using the iDrive system (if equipped), adjusting seats and mirrors, operating lights and wipers, refuelling, checking fluid levels (oil, coolant, washer fluid), tire pressure checks, changing a flat tire, basic warning light interpretation, locking/unlocking doors, operating the convertible top. Specific Procedures: Guidance on proper break-in procedure for new vehicles, using the convertible top's manual override in case of failure, checking tire pressure monitoring system (if equipped), understanding the Condition Based Service (CBS) system indicators, proper vehicle jacking points and tire change procedure. Technical Depth Depth: Focuses on user operation and basic owner-level maintenance, not in-depth mechanical repairs or diagnostics. It provides 'how-to' guidance for everyday use and care. 📊 Manual Specifications File Format Format: Physical Printed Document Print Quality Quality: Professional, high-quality print with clear text and diagrams. Binding Type Binding: Saddle-stitched or perfect bound (typical for owner's manuals). Paper Type Paper: Durable, glossy or semi-gloss paper stock suitable for automotive manuals. Completeness Completeness: This is a comprehensive owner's manual, covering all standard features and operations for the 2004 BMW M3 Convertible. It does not cover mechanical repairs or advanced diagnostics; for that, a separate BMW Service Manual would be required. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-cylinder Displacement: 3.2 Liters (3246 cc) Engine Code: S54B32 Performance Horsepower: 333 bhp @ 7,900 rpm Torque: 262 lb-ft @ 4,900 rpm Redline: 8,000 rpm Acceleration 0 60: Approximately 4.5 - 5.0 seconds (depending on transmission and driver skill) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with individual throttle bodies Fuel Type: Premium Unleaded Gasoline (91 Octane or higher) Features Valvetrain: DOHC (Dual Overhead Camshafts), 4 valves per cylinder, Double VANOS (Variable Valve Timing) on both intake and exhaust camshafts, electronically controlled individual throttle bodies. 🔧 Transmission Standard Type: 6-Speed Manual Transmission Optional Type: SMG II (Sequential Manual Gearbox) with paddle shifters Features Clutch: Hydraulically actuated, single-plate dry clutch (for manual transmission) Smg Modes: Sport, Comfort, and Sequential modes with adjustable shift speeds. Differential: M Variable Differential Lock (hydraulically controlled limited-slip differential). 📐 Dimensions Exterior Length: 176.7 inches (4488 mm) Width: 71.5 inches (1816 mm) Height: 54.4 inches (1382 mm) Wheelbase: 107.4 inches (2728 mm) Track Width Front: 61.5 inches (1562 mm) Track Width Rear: 60.8 inches (1545 mm) Interior Seating Capacity: 4 Cargo Trunk Volume: Approximately 10.7 cu ft (with top up) Weights Curb Weight: Approximately 3,814 lbs (1,730 kg) for manual, 3,891 lbs (1,765 kg) for SMG Gross Vehicle Weight Rating: Approximately 4,740 lbs (2,150 kg) Wheels Tires Wheel Size: 18x8.0 front, 18x9.5 rear (standard); 19x8.0 front, 19x9.5 rear (optional) Tire Size Standard: 225/40R18 front, 255/35R18 rear 🛡️ Safety Features Ratings Niosht: Not specifically rated by NHTSA for this specific model year/variant, but E46 platform generally performed well in contemporary crash tests. Active Features Features: Dynamic Stability Control (DSC), Traction Control System (ASC+T), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Xenon headlights (optional). Passive Features Features: Front airbags, front side-impact airbags, rollover protection system (pop-up roll bars behind headrests), reinforced A-pillars, three-point seat belts with pre-tensioners. Features Brake System: Power-assisted disc brakes with ABS. Front: Vented discs, 13.6 inches. Rear: Vented discs, 13.1 inches. 💡 Technology Features Infotainment System: BMW Professional Radio or optional Navigation system with CD player. Features include AM/FM radio, CD playback, potentially optional satellite radio and CD changer. iDrive system was introduced later in the E46 lifecycle but may be present in some later 2004 models. Display: Central information display, often in the dashboard or on the navigation screen (if equipped). Driver Assistance Features: Cruise control, parking distance sensors (optional), rain-sensing wipers (optional),...