🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Variant: M3 Sedan Generation Model Years: 1999-2005 Codes Engine Code Primary: S54B32 👋 Introduction Market Position Vehicle Segment: Performance Sedan / Compact Executive Sports Sedan Competitive Analysis Key Competitors: Mercedes-Benz C-Class AMG, Audi S4, Lexus IS300 (though less direct competitor in performance) Key Features Performance Focus: High-revving naturally aspirated inline-six engine, rear-wheel drive, balanced chassis, driver-focused cockpit Manual Value Proposition: Enables owners to maintain and repair a complex performance vehicle, saving on dealership costs and preserving vehicle integrity 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, maintenance, and repair for E46 M3 Sedan Page Count Estimated Pages: 1500+ Manual Type Manual Category: Factory Service Manual / Workshop Manual Language Primary Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: S54B32 Engine mechanicals, fuel injection (DME), ignition, cooling, lubrication, exhaust Drivetrain Systems: SMG (Sequential Manual Gearbox) / Manual Transmission, Clutch, Driveshafts, Differential, Axles Chassis Systems: Suspension (front/rear), Steering, Brakes (ABS/DSC), Wheels, Tires Electrical Systems: Body Control Module (BCM), Engine Control Unit (ECU), Instrument Cluster, Lighting, HVAC controls, Power accessories, Audio system, Navigation Body And Interior: Body panels, Doors, Windows, Seats, Trim, Convertible roof (if applicable to Sedan variant coverage) Procedures Included Maintenance Procedures: Oil changes, Filter replacements, Spark plug service, Coolant flush, Brake fluid replacement, Inspection schedules Repair Procedures: Engine rebuilds, Transmission overhaul, Suspension component replacement, Brake system repair, Electrical diagnostics and repair, Bodywork repair Troubleshooting Diagnostics: Fault code interpretation, Component testing, Diagnostic procedures for common issues Technical Data Tables: Torque specifications, Component clearances, Electrical resistance values, Fluid capacities Technical Depth Depth Of Coverage: Detailed, from basic maintenance to full engine and transmission rebuilds, including diagnostic procedures and wiring diagrams 📊 Manual Specifications File Format PDF Features: Searchable text, hyperlinked table of contents, zoomable images and diagrams Print Quality Image Resolution: High-resolution for clear visibility of diagrams and exploded views Binding Type Binding Style: Digital (PDF) - Not applicable for printed binding Paper Type Paper Quality: Digital (PDF) - Not applicable for paper type ⚙️ Engine Specifications Primary Engine Engine Name: S54 Engine Configuration: Inline 6-cylinder Displacement: 3.2 Liters (3246 cc) Aspiration: Naturally Aspirated Valvetrain: DOHC, 24 Valves, Double VANOS Performance Horsepower Us Spec: 333 hp @ 7900 rpm Torque Us Spec: 262 lb-ft @ 4900 rpm Redline: 8000 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (DME MS43/MS45) Fuel Type: Premium Unleaded (91+ Octane) Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48) 🔧 Transmission Standard Transmission Type Standard: 6-Speed Manual Transmission (Getrag 420G) Optional Transmission Type Optional: 6-Speed Sequential Manual Gearbox (SMG II) Features Clutch Type: Hydraulic, Single-Plate Dry Clutch Manual Transmission Fluid: MTF-LT-2 (or equivalent API GL-4 75W-90) Smg Fluid: Pentosin CHF 11S Hydraulic Fluid 📐 Dimensions Exterior Length: 177.5 inches (4509 mm) Width: 71.5 inches (1816 mm) Height: 54.7 inches (1390 mm) Wheelbase: 107.3 inches (2726 mm) Weights Curb Weight Manual: Approx. 3483 lbs (1579 kg) Curb Weight Smg: Approx. 3527 lbs (1600 kg) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 4-Star NHTSA Front Impact Passenger: 4-Star Active Features Traction Control: Automatic Stability Control (ASC+T) / Dynamic Stability Control (DSC) Anti Lock Brakes: Standard (ABS) Passive Features Airbags: Frontal airbags, Side airbags Seatbelts: 3-point inertia-reel seatbelts with front pretensioners 💡 Technology Features Infotainment Audio System: Standard BMW Business CD or optional BMW Professional CD/Navigation systems. Navigation System: Optional MKIV navigation system with CD-ROM maps. Driver Assistance Cruise Control: Standard Parking Sensors: Optional rear parking sensors (Park Distance Control - PDC) Connectivity Phone Integration: Optional Bluetooth hands-free interface and telematics systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500-10,000 miles or 12-24 months, depending on driving conditions. Extended Life Oil (e.g., Castrol TWS/Edge Professional 10W-60) is often recommended for M cars. Spark Plug Replacement: Every 60,000 miles (refer to manual for specific plug type and gap) Coolant Flush Interval: Every 2-3 years or 30,000 miles Fluid Specifications Engine Oil Specification: BMW Longlife-01 (LL-01) certified oil, commonly 10W-60 (e.g., Castrol Edge Professional TWS) for S54 engine performance and longevity. Consult manual for exact OEM spec. Brake Fluid Specification: DOT 4 (BMW recommends DOT 4 High Performance) Power Steering Fluid: Pentosin CHF 11S (or equivalent) Known Issues Rod Bearings: Wear on connecting rod bearings is a known concern on S54 engines, especially in earlier models or with infrequent oil changes. Regular inspection and proper oil are crucial. Vanos System: Potential issues with VANOS solenoids, seals, or pump can lead to rough idling or power loss. Manual covers diagnostic and repair procedures. Smg Gearbox: SMG hydraulic pump and accumulator can fail. Gear selection issues or error messages may occur. Manual details SMG system diagnostics. Subframe Mounts: Cracking of the rear subframe mounting points is a documented issue on E46 chassis, requiring reinforcement. Manual may cover inspection and repair. 📚 Vehicle History Brand...