🏷️ Basic Information Identification Make: BMW Model: 3 Series M3 Convertible Chassis Code: E46 Product Type: Service and Repair Manual Generation Generation Name: Fifth Generation E46 Generation Years: 1999-2006 (E46 platform) Codes Product Identifier: BMW E46 M3 Convertible Service Manual 👋 Introduction Market Position Segment: High-performance luxury convertible sports coupe. Target Audience: Enthusiasts, DIY mechanics, professional automotive technicians specializing in BMW vehicles. Competitive Analysis Competitors: Porsche 911 Carrera Cabriolet, Mercedes-Benz SLK/SL, Audi S4 Cabriolet. Key Features Model Highlights: Naturally aspirated S54 3.2L inline-six engine, iconic E46 chassis, available SMG-II automated manual transmission, exceptional handling and driving dynamics. Manual Value Proposition Utility: Empowers owners and technicians with the detailed knowledge required for accurate diagnosis, efficient repair, and proper maintenance of the E46 M3 Convertible. 📋 Manual Details Coverage Areas Applicable Models: BMW 3 Series M3 Convertible (E46) Applicable Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Page Count Estimated Page Count: Varies by specific publication, typically 1000+ pages for comprehensive digital/print manuals. Manual Type Type: Factory Authorized Service Manual / Repair Manual Language Language: English (primarily) Format Format: Digital (PDF) and/or Printed Book 📖 Manual Coverage Systems Covered Powertrain: Engine (S54B32), Cooling System, Fuel System, Exhaust System, Drivetrain, Transmission (SMG, Manual), Differential, Axles. Chassis And Body: Suspension (Front & Rear), Steering System, Brakes (ABS, DSC), Body Panels, Convertible Roof Mechanism, Chassis Components, Frame. Electrical And Electronics: Engine Management (DME), Ignition System, Lighting System, Instrument Cluster, HVAC Controls, Audio System, Convertible Top Control Module, Body Control Module (BCM), Wiring Diagrams, Diagnostic Trouble Codes (DTCs). Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, brake pad/rotor replacement, cabin air filter replacement. Repair: Complete engine overhaul, transmission repair/rebuild, suspension component replacement, brake system bleeding and component replacement, convertible top actuator/hose repair, electrical diagnostics and component replacement, bodywork repairs. Diagnostics And Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation, symptom-based troubleshooting guides. Technical Depth Depth: Comprehensive, covering everything from basic fluid checks to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format Digital Format: PDF (typically searchable text, high-resolution images) Print Quality Print Quality: High-resolution diagrams and text suitable for professional printing. Binding Type Binding: For printed versions: Spiral-bound or perfect-bound for durability and ease of use. Paper Type Paper Type: For printed versions: Heavy-duty, gloss or matte paper stock to withstand workshop use. ⚙️ Engine Specifications Primary Engine Engine Code: S54B32 Engine Type: Naturally Aspirated Inline-6, DOHC, 24 Valves Displacement: 3.2 Liters (3246 cc) Performance Horsepower: 333 hp @ 7900 rpm Torque: 262 lb-ft @ 4900 rpm Redline: 8000 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (MPI) with individual throttle bodies. Fuel Type: Premium Unleaded (91+ Octane Recommended) Engine Management ECU Type: Bosch Motronic ME 7.2 🔧 Transmission Standard Transmission Type: Getrag 420G 6-Speed Manual Optional Transmission Type: SMG-II (Sequential Manual Gearbox II) with paddle shifters. Features Clutch Type: Hydraulically actuated single dry plate clutch. Differential: M Variable Lock Differential (M LSD) 📐 Dimensions Exterior Length: 4488 mm (176.7 in) Width: 1752 mm (69.0 in) Height: 1374 mm (54.1 in) Wheelbase: 2760 mm (108.7 in) Weights Curb Weight: Approx. 1670 kg (3682 lbs) Gross Weight: Approx. 2065 kg (4553 lbs) 🛡️ Safety Features Ratings NHTSA Rating: Not specifically rated for this performance variant, but the E46 platform generally performed well in its class. Active Features ABS: Standard Anti-lock Braking System (ABS). Dsc: Standard Dynamic Stability Control (DSC) with M Dynamic Mode. Traction Control: Standard Automatic Stability Control + Traction (ASC+T) or Dynamic Traction Control (DTC) with DSC. Passive Features Airbags: Front dual-stage airbags, front side-impact airbags. Rollover Protection: Pop-up rollover protection bars integrated behind the rear headrests. Seatbelts: Three-point inertia-reel seatbelts with pretensioners and force limiters. 💡 Technology Features Infotainment Head Unit: BMW Professional CD, optional navigation system (MKIV). Audio System: Harman Kardon premium sound system available as an option. Driver Assistance Cruise Control: Standard cruise control system. Connectivity Phone Integration: Optional Bluetooth hands-free system. Instrumentation Instrument Cluster: M-specific instrument cluster with oil temperature gauge and M logo. 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500 - 10,000 miles or 12 months, based on BMW's Condition Based Service (CBS) system. Brakes: Inspect brake pads and rotors every 15,000 miles; replace as needed based on wear. Spark Plugs: Replace at 60,000 miles (typically). Coolant: Flush and replace coolant every 2-3 years or 30,000-50,000 miles. Fluid Specifications Engine Oil: BMW Longlife-01 (LL-01) approved synthetic oil, 5W-30 or 5W-40 viscosity recommended. Coolant: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) or equivalent. Brake Fluid: DOT 4 or DOT 4 PLUS. Transmission Fluid Manual: Pentosin MTF LT-2 (or equivalent MTF). Transmission Fluid Smg: Pentosin CHF 11S (Hydraulic Fluid for SMG Pump). Known Issues Rod Bearings: S54 engine is prone to bearing wear; regular oil changes and careful...