🏷️ Basic Information Identification Make: BMW Model: M3 Year: 2004 Chassis Code: E46 Codes Engine Code Primary: S54 👋 Introduction Market Position Segment: High-performance compact executive car Target Audience: Enthusiasts, owners, and independent repair shops specializing in BMW vehicles. Competitive Analysis Competitors: Mercedes-Benz C-Class AMG, Audi S4, Cadillac CTS-V, Lexus IS F Key Features Performance Focus: Designed for owners and technicians who need to maintain and repair the M3's high-revving naturally aspirated S54 engine and performance-oriented chassis. Accuracy: Provides factory-level technical information and procedures. 📋 Manual Details Coverage Areas Coverage: All Models/Engines/Trim/Transmissi ons Types Page Count Estimated Page Count: 1000+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, assembly, inspection, and repair of the S54 engine, including VANOS system, lubrication, cooling, and timing. Engine Management: Engine control unit (ECU) diagnostics, sensor data interpretation, fuel injection, ignition timing, emissions control systems (secondary air, charcoal canister). Transmission Manual: Service and repair procedures for the Getrag 420G 6-speed manual transmission, including clutch, gearshift linkage, and gearbox lubrication. Transmission Automatic: Repair and maintenance for the SMG (Sequential Manual Gearbox) II, including hydraulic system, actuators, and control unit. Drivetrain: Rear axle differential service, driveshaft inspection and replacement, wheel bearing service. Suspension Front: MacPherson strut overhaul, control arm bushing replacement, sway bar service, steering component inspection. Suspension Rear: Multi-link suspension service, trailing arm bushing replacement, shock absorber and spring replacement, wheel alignment procedures. Brakes: Hydraulic system diagnostics, ABS/DSC control unit service, brake pad and rotor replacement, caliper overhaul, brake fluid bleeding procedures. Steering: Power steering system maintenance, rack and pinion inspection, steering column adjustments. Electrical System: Complete wiring diagrams, fuse and relay identification, starter, alternator, battery service, lighting system diagnostics. Body And Chassis: Panel removal and installation, door mechanisms, hood and trunk operation, rust prevention and repair techniques. Climate Control: HVAC system diagnostics, refrigerant handling, blower motor, evaporator, and condenser service. Interior Trim Interior Trim Removal: Removal and installation of dashboard components, door panels, seats, and headliner. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, cabin), spark plug replacement, fluid level checks and top-offs. Troubleshooting Diagnostics: Systematic fault finding procedures for all major vehicle systems, diagnostic trouble code (DTC) interpretation. Engine Rebuild: Complete engine overhaul instructions, including crankshaft, connecting rod, piston, cylinder head, and valve train assembly. Transmission Overhaul: Detailed steps for disassembling, inspecting, and reassembling both manual and SMG transmissions. Brake System Repair: Bleeding the brake system, replacing brake lines, servicing ABS/DSC components. Electrical Diagnostics: Tracing electrical faults using wiring diagrams, testing sensors and actuators, troubleshooting control modules. Suspension Geometry Correction: Detailed instructions for wheel alignment procedures and adjustments. Component Replacement: Step-by-step guides for replacing common wear items and major components. Diagnostic Tool Usage: Information on using BMW's diagnostic tools (e.g., DIS, ISTA/E) for advanced diagnostics and coding. Technical Depth Depth: Comprehensive: Covers routine maintenance to complete engine and transmission rebuilds, including advanced diagnostics and troubleshooting. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes Print Quality Quality: High-resolution, clear diagrams and text. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Naturally Aspirated Engine Displacement: 3.2 Liters (3246 cc) Engine Code: S54B32 Redline: 8000 RPM Performance Horsepower Us Spec: 333 hp @ 7900 RPM Torque Us Spec: 262 lb-ft @ 4900 RPM Bore X Stroke: 87.0 mm x 91.0 mm Compression Ratio: 11.5:1 Fuel System Fuel Delivery: Sequential Multi-point Fuel Injection (Bosch Motronic ME7.2) Fuel Type: Premium Unleaded (91+ octane recommended) Engine Internals Valvetrain: DOHC, 24 valves, Double VANOS 🔧 Transmission Standard Type: Getrag 420G 6-speed Manual Transmission Optional Type: SMG II (Sequential Manual Gearbox) Features Clutch Type Manual: Hydraulically actuated, single-plate dry clutch Smg Modes: Sport, Normal, and Sequential shift modes Fluid Specifications Manual Transmission Fluid: BMW MTF LT-1 or equivalent (e.g., Pentosin MTF2) Smg Hydraulic Fluid: BMW P/N 83 29 0 429 572 or Pentosin CHF 11S 📐 Dimensions Exterior Wheelbase: 2760 mm (108.7 in) Length: 4488 mm (176.7 in) Width: 1780 mm (70.1 in) Height: 1374 mm (54.1 in) Weights Curb Weight Manual: 1570 kg (3461 lbs) Curb Weight Smg: 1585 kg (3494 lbs) Wheels Tires Wheelbase Front Tire: 225/40R18 Wheelbase Rear Tire: 255/35R18 Wheel Bolt Pattern: 5x120 Wheel Offset Front: ET47 Wheel Offset Rear: ET50 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (as per contemporary NHTSA testing standards) IIHS Front Offset: Good (as per contemporary IIHS testing standards) Active Features ABS: Standard (Anti-lock Braking System) Asc: Standard (Automatic Stability Control) Dsc: Standard (Dynamic Stability Control) Traction Control: Standard (M-Dynamic Mode selectable) Passive Features Airbags Front: Driver and front passenger airbags Airbags Side: Front side-impact airbags Seatbelts: 3-point inertia-reel seatbelts with pretensioners and force limiters 💡 Technology Features Infotainment Head Unit: BMW Business CD or Professional RDS CD...