🏷️ Basic Information Identification Make: BMW Model: M3 Model Generation: E46 Model Years Covered: 1999-2005 Platform Code: E46 👋 Introduction Market Position Positioning: The E46 M3 is a legendary performance coupe and convertible, celebrated for its motorsport-derived S54 engine and exceptional driving dynamics, making it a sought-after vehicle for enthusiasts and a prime candidate for dedicated service. Competitive Analysis Competitors: Audi S4 (B5/B6), Mercedes-Benz C32/C55 AMG, Porsche 911 Carrera (996). Key Features Distinctive Features: High-revving naturally aspirated inline-six engine, motorsport-derived chassis and suspension, optional SMG II paddle-shift transmission, iconic styling. Manual Value Value Proposition: This manual offers substantial cost savings by empowering owners and independent workshops to perform complex repairs and routine maintenance, crucial for maintaining the performance and longevity of this high-performance vehicle. 📋 Manual Details Coverage Areas Language: English Format: Digital Download (PDF) Manual Type: Service and Repair Workshop Manual Page Count Estimated Page Count: 1500+ 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, assembly, inspection, and repair of all engine components including S54B32 inline-six engine. Engine Management: Fuel injection system (DME MS43/MS45), ignition system, emissions control systems, diagnostic trouble codes (DTCs), sensor testing, and ECU information. Transmission Manual: SMG II (Sequential Manual Gearbox) and 6-speed manual transmission repair, clutch service, driveline components. Transmission Automatic: Repair and maintenance of the GM 5L40-E automatic transmission (less common in M3 but covered for specific variants/conversions). Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, springs, alignment specifications, and troubleshooting. Brakes: Front and rear brake systems, including ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid flush, pad/rotor replacement, caliper overhaul, and hydraulic system diagnostics. Steering: Power steering system, steering rack, tie rods, steering column, and associated components. Electrical System: 12V battery system, charging system, starter, lighting, power windows, central locking, instrument cluster, and wiring diagrams for all circuits. Body And Chassis: Body panel removal and installation, door mechanisms, interior trim, exterior trim, sealing, and structural components. HVAC: Heating, ventilation, and air conditioning (HVAC) system diagnostics, refrigerant recharge, component replacement, and climate control module. Comfort And Convenience: Seats, sunroof, mirrors, and other interior comfort features. Procedures Included Scheduled Maintenance: Detailed service intervals for oil changes, filter replacements, fluid checks, spark plug replacement, belt inspections, and brake service. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and complex mechanical and electrical faults. Repair And Rebuild: Step-by-step instructions for removing, repairing, and reinstalling all major vehicle components. Diagnostics: Procedures for using diagnostic tools, reading fault codes, live data analysis, and component testing. Specifications And Data: Torque specifications, clearances, fluid capacities, and other critical technical data. Technical Depth Depth: Comprehensive, covering everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic flowcharts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval. Printability: Printable pages for physical reference. Resolution: High-resolution images and diagrams. Binding Type Binding Type For Physical Version: Not Applicable (Digital Download) Paper Type Paper Type For Physical Version: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: S54B32 Engine Type: Naturally Aspirated Inline-6 Displacement: 3.2 Liters (3246 cc) Bore X Stroke: 87.0 mm x 91.0 mm Compression Ratio: 11.5:1 Performance Horsepower Us Spec: 333 hp @ 7900 rpm Torque Us Spec: 262 lb-ft @ 4900 rpm Redline: 8000 rpm Fuel System Fuel Delivery: Multi-point fuel injection (Bosch Motronic MS43/MS45) Fuel Type: Premium Unleaded (91 Octane or higher recommended) Valvetrain Engine Design: Double VANOS (Variable Valve Timing) and individual throttle bodies. 🔧 Transmission Standard Transmission Type: 6-speed manual transmission (Getrag 420G) Optional Transmission Type: Sequential Manual Gearbox (SMG II) Features Clutch Type Manual: Hydraulically operated single-plate dry clutch Smg Features: Driver-selectable shift modes (Comfort, Sport), paddle shifters, automated clutch operation. Fluid Specifications Manual Transmission Fluid: BMW recommends Pentosin MTF LT-1 or MTF LT-2 (equivalent to ATF Type T-IV or Dexron III for certain applications/years, consult manual for exact spec). Smg Transmission Fluid: Hydraulic fluid Pentosin CHF 11S. 📐 Dimensions Exterior Length: 4.575 mm (179.7 in) Width: 1.780 mm (70.1 in) Height: 1.370 mm (53.9 in) Wheelbase: 2.760 mm (108.7 in) Front Track: 1.518 mm (59.8 in) Rear Track: 1.524 mm (60.0 in) Weights Curb Weight Manual: 1,570 kg (3,461 lbs) Curb Weight Smg: 1,580 kg (3,483 lbs) Cargo Trunk Volume Sedan: 420 Liters (14.8 cu ft) Trunk Volume Coupe: 410 Liters (14.5 cu ft) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 4/5 Stars (NHTSA rating for similar E46 models) NHTSA Front Impact Passenger: 4/5 Stars (NHTSA rating for similar E46 models) IIHS Front Impact: Good (IIHS rating for similar E46 models) Active Features Stability Control: Dynamic Stability Control (DSC) with M Dynamic Mode (MDM). Traction Control: Automatic Stability Control and Traction (ASC+T). Braking System: Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), and Brake Assist. Passive Features Airbags: Front dual-stage...