🏷️ Basic Information Identification Make: BMW Model: M3 Generation: E46 Codes Vehicle Platform Code: E46 👋 Introduction Market Position Segment: High-performance compact executive car Target Audience: Enthusiasts, DIY mechanics, professional automotive technicians seeking in-depth knowledge of the E46 M3. Competitive Analysis Key Competitors: Mercedes-Benz C-Class AMG, Audi S4, Porsche 911 (Carrera) Key Features Driving Dynamics: Renowned for precise handling, responsive steering, and balanced chassis. Engine Performance: The naturally aspirated S54 engine is a legendary high-revving powerplant. Manual Purpose Value Proposition: Empowers owners and technicians with the knowledge to maintain, repair, and optimize their E46 M3. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Diagnostics Secondary Coverage: Troubleshooting, Specifications, Wiring Diagrams Page Count Estimated Page Count: 1500+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Engine: S54 (3.2L Inline-6), S52 (3.2L Inline-6 - US Market early models) Transmission: Getrag 420G (6-speed manual), SMG II (Sequential Manual Gearbox) Drivetrain: Rear-wheel drive, Limited-slip differential (M Variable Lock) Suspension: Front: MacPherson struts, Rear: Multi-link independent suspension, M-specific tuning Brakes: Front: Vented discs with floating calipers, Rear: Vented discs, ABS, DSC (Dynamic Stability Control) Electrical: ECU diagnostics, DME (Digital Motor Electronics), Integrated chassis management, Lighting, Audio, HVAC, Power accessories Body: Body structure, Exterior panels, Doors, Hood, Trunk, Bumpers, Glass, Sealing Interior: Seats, Dashboard, Trim, Airbags, Restraint systems, Climate control Diagnostics: On-board diagnostics (OBD-II), Fault code interpretation, Live data stream analysis Procedures Included Routine Maintenance: Oil change, Filter replacement, Spark plug replacement, Coolant flush, Brake fluid flush, Differential fluid change Major Repairs: Engine rebuild, Transmission overhaul, Clutch replacement, Suspension component replacement, Brake system overhaul Troubleshooting: Step-by-step diagnostic guides for common and uncommon issues Component Removal Installation: Detailed instructions for removing and installing all major and minor components Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems Technical Depth Depth: In-depth mechanical and electrical repair, including complete engine and transmission rebuilds, advanced diagnostics, and component-level troubleshooting. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Searchability: Text-searchable, allowing for quick information retrieval. Image Quality: High-resolution diagrams, illustrations, and photographs. Binding Type Digital Binding: N/A (Digital File) Paper Type Digital Paper: N/A (Digital File) ⚙️ Engine Specifications Primary Engine Engine Code: S54B32 Configuration: 3.2L (3246cc) Naturally Aspirated Inline-6 Bore X Stroke: 87 mm x 91 mm Compression Ratio: 11.5:1 Valvetrain: Double Overhead Camshafts (DOHC), 24 Valves, VANOS (Variable Valve Timing) on intake and exhaust camshafts Performance Horsepower: 333 hp @ 7900 rpm (US Market), 343 hp @ 7900 rpm (Euro Market) Torque: 262 lb-ft @ 4900 rpm (US Market), 273 lb-ft @ 4900 rpm (Euro Market) Redline: 8000 rpm Fuel System Fuel Delivery: Sequential Multi-point Fuel Injection (MPI), Individual throttle bodies (ITBs) Fuel Type: Premium Unleaded Gasoline (91+ Octane Recommended) Lubrication Oil Capacity: 6.9 Liters (7.3 US Quarts) Oil Type: BMW Longlife-01 (e.g., Castrol EDGE Synthetic 5W-30) Cooling System Coolant Capacity: 9.5 Liters (10 US Quarts) Coolant Type: BMW Blue Antifreeze/Coolant (Ethylene Glycol based) 🔧 Transmission Standard Type: Getrag 420G 6-speed Manual Transmission Optional Type: SMG II (Sequential Manual Gearbox) with paddle shifters Features Clutch: Hydraulically actuated single-plate dry clutch Gear Ratios Manual: 1st: 4.23, 2nd: 2.50, 3rd: 1.67, 4th: 1.23, 5th: 1.00, 6th: 0.83 Final Drive Ratio: 3.62:1 (Standard) Fluid Specifications Manual Transmission Fluid Type: MTF LT-2 or equivalent (e.g., Red Line D4 ATF for smoother shifts) Smg Fluid Type: Pentosin CHF 11S (Hydraulic fluid for SMG pump and actuators) Fluid Capacities Manual Transmission Fluid Capacity: 1.5 Liters (1.6 US Quarts) Smg Fluid Capacity: 0.8 Liters (0.85 US Quarts) 📐 Dimensions Exterior Length: 4492 mm (176.8 in) Width: 1752 mm (68.9 in) Height: 1374 mm (54.1 in) Wheelbase: 2760 mm (108.7 in) Front Track: 1471 mm (57.9 in) Rear Track: 1478 mm (58.2 in) Interior Seating Capacity: 4 Cargo Trunk Volume: 370 Liters (13.1 cu ft) Weights Curb Weight: 1510 kg (3329 lbs) for manual, 1585 kg (3494 lbs) for SMG Gross Vehicle Weight Rating: 1945 kg (4288 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 stars (Model Year specific variations may apply) IIHS Side Impact: Good (Model Year specific variations may apply) Active Features Stability Control: DSC (Dynamic Stability Control), M Dynamic Mode (MDM) Braking Assistance: ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution) Passive Features Airbags: Driver and front passenger airbags, front side-impact airbags Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters 💡 Technology Features Infotainment Audio System: Optional Harman Kardon premium audio system, standard BMW Business CD player. Navigation: Optional MKIV Navigation System with CD-ROM maps. Driver Assistance Traction Control: DSC (Dynamic Stability Control) system provides active stability management. Cruise Control: Standard electronic cruise control. Connectivity Bluetooth: Optional Bluetooth interface for hands-free calling, depending on the specific year and options package. 🔧 Maintenance Service Intervals Oil Change Interval: Variable Service Indicator (VSI) system, typically...