🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Variant: M3 Sport Wagon Codes Engine Code Primary: S54B32 Production Years Covered: 1999, 2000, 2001, 2002, 2003, 2004, 2005 👋 Introduction Market Position Segment: High-performance compact executive sport sedan/wagon Target Audience: Enthusiast drivers, DIY mechanics, professional technicians Competitive Analysis Key Competitors: Audi S4, Mercedes-Benz C-Class AMG, Subaru WRX STI (performance segment) Key Features Performance Focus: High-revving naturally aspirated engine, track-capable dynamics, premium build quality Practicality: Wagon body style offers increased cargo space and practicality compared to sedan variants 📋 Manual Details Coverage Areas Covered Models: BMW 3 Series (E46) M3 Sport Wagon Covered Years: 1999-2005 Page Count Estimated Page Count: 1000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, cooling system, lubrication, fuel injection, ignition, emissions control, engine management (DME) Transmission: Manual and SMG (Sequential Manual Gearbox) removal, installation, repair, diagnostics, clutch system, driveshafts, differential Brakes: Hydraulic system, ABS, DSC (Dynamic Stability Control), brake pads, rotors, calipers, parking brake, bleeding procedures Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, wheel alignment specifications Steering: Power steering system, steering rack, tie rods, alignment Electrical: Battery, alternator, starter, lighting system, fuses, relays, wiring diagrams, diagnostic connectors (OBD-II) Bodywork: Exterior panels, doors, windows, sunroof, convertible top (if applicable), interior trim, body sealing HVAC: Heating, ventilation, and air conditioning system diagnostics, refrigerant handling, component replacement Infotainment: Radio, navigation system (if equipped), speaker system, antenna, diagnostic checks Safety Systems: Airbags, seatbelts, ABS, DSC, traction control Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement Troubleshooting: Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides Repair: Component removal and installation, rebuild procedures for major assemblies Diagnostics: Detailed explanations of diagnostic tools and techniques specific to the E46 M3 Specifications: Torque specifications for all fasteners, fluid capacities, electrical resistance values Calibration: Wheel speed sensor calibration, steering angle sensor calibration (if applicable) Wiring Diagrams: Comprehensive, system-specific electrical wiring diagrams Technical Depth Depth: Comprehensive (from basic maintenance to full engine/transmission rebuilds) Detail Level: Step-by-step instructions with supporting diagrams and illustrations 📊 Manual Specifications File Format Searchable Text: Yes (for PDF) Printable: Yes Print Quality Illustration Clarity: High (detailed schematics, exploded views) Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: S54B32 Configuration: Inline 6-cylinder, naturally aspirated Displacement: 3.2 Liters (3246 cc) Valvetrain: DOHC, 24 valves, Double VANOS (Variable Valve Timing) Bore X Stroke: 87.0 mm x 91.0 mm Compression Ratio: 11.5:1 Performance Horsepower: 333 hp @ 7900 rpm Torque: 262 lb-ft (355 Nm) @ 4900 rpm Redline: 8000 rpm Fuel System Induction: Individual throttle bodies (ITBs) Fuel Type: Premium Unleaded (91 octane or higher recommended) Fuel Delivery: Electronic Multi-Point Fuel Injection (MPI) 🔧 Transmission Standard Type: Getrag 420G 6-speed Manual Transmission Optional Type: SMG II (Sequential Manual Gearbox) Features Clutch: Hydraulically actuated single dry plate clutch Differential: Limited Slip Differential (LSD) with 25% locking action 📐 Dimensions Exterior Length: approx. 4488 mm (176.7 in) Width: approx. 1780 mm (70.1 in) Height: approx. 1372 mm (54.0 in) Wheelbase: approx. 2760 mm (108.7 in) Front Track: approx. 1471 mm (57.9 in) Rear Track: approx. 1495 mm (58.9 in) Interior Seating Capacity: 5 Cargo Cargo Volume: approx. 400-1300 Liters (with rear seats folded) Weights Curb Weight: approx. 1570 kg (3461 lbs) for manual transmission Gross Vehicle Weight Rating: N/A (Typically not specified in detail for performance models) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (for E46 sedan, wagon likely similar) IIHS Side Impact: Good (for E46 sedan, wagon likely similar) Active Features ABS: Yes (Anti-lock Braking System) Dsc: Yes (Dynamic Stability Control, includes Traction Control) Cv Control: Yes (Cornering Brake Control) Passive Features Airbags: Frontal, front side airbags Seatbelts: 3-point front and rear, pretensioners, force limiters Body Structure: Reinforced chassis with crumple zones 💡 Technology Features Infotainment Head Unit: BMW Business or Professional CD player/radio with optional navigation Speaker System: Harman Kardon premium audio system often available as an option Driver Assistance Traction Control: Integral part of DSC Cruise Control: Standard electronic cruise control Connectivity OBD Port: OBD-II (On-Board Diagnostics II) port for scan tool access Bmw Assist: Optional Telematics system (may be dated) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles (12,000-16,000 km) or as indicated by the vehicle's Condition Based Service (CBS) system Spark Plug Replacement: Every 60,000 miles (96,000 km) for iridium plugs (refer to manual for exact type and interval) Coolant Flush: Every 2-3 years or 30,000-50,000 miles Brake Fluid Flush: Every 2 years Fluid Specifications Engine Oil Type: SAE 10W-60 Synthetic (BMW recommends Castrol TWS Motorsport SAE 10W-60 for S54 engine) Engine Oil Capacity: 7.0 Liters (7.4 US quarts) with filter change Coolant Type: BMW Blue...