🏷️ Basic Information Identification Make: BMW Model: M3 Generation: E46 Generation Production Years: 1999-2006 Codes Chassis Code: E46 👋 Introduction Market Position Market Position: The E46 M3 represented the pinnacle of naturally aspirated inline-six performance in its era, a homologation special for BMW's GT racing efforts, making it highly sought after by enthusiasts and requiring specialized service knowledge. Competitive Analysis Competitors: Porsche 911 (996), Mercedes-Benz C43 AMG, Audi RS4 (B5), Chevrolet Corvette (C5) Key Features Key Features Of Vehicle: High-revving S54 engine, advanced chassis dynamics, available SMG transmission, motorsport-derived components, iconic design. Manual Purpose Purpose: To provide professional mechanics and knowledgeable DIY enthusiasts with the detailed information necessary to maintain, diagnose, and repair the BMW M3 (E46) to factory specifications. 📋 Manual Details Coverage Areas Applicable Model Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Page Count Estimated Pages: Approximately 1500-2000+ pages (typical for comprehensive workshop manuals of this era) Manual Type Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF, often with printable pages and searchable text) 📖 Manual Coverage Systems Covered Engine: S54 (3.2L) engine mechanical, lubrication, cooling, fuel injection, ignition, emissions control, engine management (DME) Transmission: SMG (Sequential Manual Gearbox) and Manual Transmission (Getrag 420G), clutch, driveline, differential Brakes: Hydraulic system, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), parking brake, caliper and rotor replacement, bleeding procedures Steering: Power steering system, steering rack, tie rods, wheel alignment Suspension: Front and rear suspension components (struts, shocks, control arms, bushings, sway bars), limited-slip differential (LSD) Electrical: Wiring diagrams, starter, alternator, battery, lighting, body control modules (BCM), comfort systems, diagnostic trouble codes (DTCs) Bodywork: Exterior body panels, doors, hood, trunk, bumpers, interior trim, HVAC system, seats, glass replacement Diagnostics: Diagnostic procedures, troubleshooting guides, use of BMW diagnostic tools (e.g., GT1, DIS) Procedures Included Maintenance: Oil changes, filter replacements (oil, air, cabin), spark plug replacement, brake fluid flush, coolant flush, differential fluid change Repair: Engine component replacement (pistons, rods, bearings, valves), transmission rebuild, clutch replacement, suspension component overhaul, brake caliper replacement, electrical component repair Troubleshooting: Step-by-step diagnostic flowcharts for common and complex issues, fault code interpretation Installation: Installation procedures for replacement parts and accessories Technical Depth Depth: Comprehensive, covering routine maintenance to complete engine and transmission overhauls, including detailed diagnostic information and wiring diagrams. 📊 Manual Specifications File Format File Format: PDF Searchable Text: Yes Printable: Yes Print Quality Image Resolution: High (suitable for viewing diagrams and illustrations) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Completeness Completeness: Full Workshop Manual (covers all aspects of service and repair) ⚙️ Engine Specifications Primary Engine Engine Code: S54B32 Engine Type: Naturally Aspirated Inline-6 Displacement: 3.2 Liters (3246 cc) Bore X Stroke: 87 mm x 91 mm Compression Ratio: 11.5:1 Valvetrain: DOHC, 4 valves per cylinder, Double VANOS (variable valve timing on intake and exhaust) Performance Horsepower: 333 hp @ 7900 rpm (US Spec) Torque: 262 lb-ft @ 4900 rpm (US Spec) Redline: 8000 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Management ECM Type: Bosch Motronic ME7.2 or similar 🔧 Transmission Standard Standard Transmission: 6-speed Manual (Getrag 420G) Optional Optional Transmission: 6-speed SMG II (Sequential Manual Gearbox II) Features Clutch Type: Hydraulically operated single-plate dry clutch Smg Features: Paddle shifters, adjustable shift programs, driver-selectable modes. Fluid Specifications Manual Transmission Fluid: BMW MTF-LT-2 or equivalent (e.g., Castrol SAF-XJ 75W-140) Smg Fluid: BMW Pentosin CHF 11S or equivalent Differential Fluid: BMW Hypoid Gearing Oil (SAF-XJ 75W-140) for LSD equipped models 📐 Dimensions Exterior Length: 4488 mm (176.7 in) Width: 1789 mm (70.4 in) Height: 1360 mm (53.5 in) Wheelbase: 2760 mm (108.7 in) Weights Curb Weight: Approx. 1570 kg (3461 lbs) for manual, 1580 kg (3483 lbs) for SMG Gross Vehicle Weight: Approx. 2000 kg (4409 lbs) Cargo Trunk Volume: 410 Liters (14.5 cu ft) 🛡️ Safety Features Ratings NHTSA Front Crash Test: Not explicitly rated under newer NHTSA protocols, but designed to high safety standards of the era. IIHS Crash Test: Good (for models tested) Active Features Active Safety: ABS, DSC (Dynamic Stability Control), M-tuned traction control, limited-slip differential. Passive Features Passive Safety: Front airbags, side curtain airbags (optional/later models), front and rear crumple zones, reinforced passenger cell, seatbelt pretensioners. 💡 Technology Features Infotainment Infotainment System: BMW Business CD, BMW Professional CD, or optional Navigation System (MK III or MK IV). Speaker System: Standard 10-speaker system, optional Harman Kardon surround sound. Driver Assistance Driver Assistance Systems: DSC (Dynamic Stability Control), ABS, Traction Control, Cruise Control. Connectivity Connectivity Features: Optional Bluetooth hands-free system (BMW Assist), optional CD changer. Lighting Headlights: Standard Halogen Projector or optional Xenon Adaptive Headlights. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000-15,000 miles or annually, whichever comes first (BMW Condition Based Service, CBS, may vary). High-performance driving may necessitate...