Vehicle Segment:
        
        
            High-performance luxury compact executive car.
        
     
    
        
            Positioning:
        
        
            The pinnacle of BMW's M division engineering for the 3 Series line, known for its track-bred performance and everyday usability.
        
     
    
    
        
            Key Rivals:
        
        
            Audi RS4, Mercedes-Benz C63 AMG, Cadillac CTS-V.
        
     
    
    
        
            Engine:
        
        
            Naturally aspirated V8 engine, a rare and celebrated feature in its segment.
        
     
    
        
            Performance:
        
        
            Exceptional power delivery, handling dynamics, and braking capabilities.
        
     
    
        
            Technology:
        
        
            Advanced electronics for performance management and driver assistance.
        
     
    
        
            Manual Utility:
        
        
            Provides factory-accurate information essential for maintaining the high-performance nature of the M3.
        
     
 
    
    
    
        
            Diagnostic Procedures:
        
        
            Comprehensive diagnostic procedures for all major systems.
        
     
    
        
            Electrical Systems:
        
        
            In-depth coverage of electrical diagrams, component testing, and troubleshooting.
        
     
    
        
            Engine Mechanical:
        
        
            Detailed engine mechanical repairs, including disassembly, reassembly, and specifications.
        
     
    
        
            Engine Management:
        
        
            Engine control unit (ECU) diagnostics, sensor testing, and fuel system calibration.
        
     
    
        
            Exhaust System:
        
        
            Repair and replacement procedures for exhaust components and catalytic converters.
        
     
    
        
            Fuel System:
        
        
            Fuel injection system diagnostics, pump testing, and injector servicing.
        
     
    
        
            Heating Ventilation Air Conditioning:
        
        
            HVAC system diagnostics, refrigerant handling, and component replacement.
        
     
    
        
            Manual Transmission:
        
        
            Repair and overhaul procedures for the 6-speed manual gearbox.
        
     
    
        
            Automatic Transmission:
        
        
            Diagnostic and repair procedures for the M-DCT (Dual Clutch Transmission).
        
     
    
        
            Suspension:
        
        
            Detailed procedures for suspension component inspection, repair, and alignment.
        
     
    
        
            Steering:
        
        
            Power steering system diagnostics and repair, including hydraulic and electric components.
        
     
    
        
            Brakes:
        
        
            Brake system diagnostics, pad/rotor replacement, caliper servicing, and ABS/DSC troubleshooting.
        
     
    
        
            Body And Frame:
        
        
            Body panel repair, corrosion protection, and structural component information.
        
     
    
        
            Body Electrical:
        
        
            Power windows, locks, mirrors, lighting, and interior component electrical diagnostics.
        
     
    
        
            Interior:
        
        
            Trim panel removal, seat adjustment, and interior component repair.
        
     
    
        
            Safety Systems:
        
        
            Airbag system diagnostics, seatbelt mechanisms, and related safety features.
        
     
    
        
            Troubleshooting Guides:
        
        
            Comprehensive troubleshooting charts based on symptom identification.
        
     
    
    
        
            Estimated Pages:
        
        
            Over 5,000 pages (typical for comprehensive OEM service manuals).
        
     
    
    
        
            Type:
        
        
            Official Factory Service Manual (FSM) / Repair Manual
        
     
    
    
    
    
        
            Format:
        
        
            Software/Digital (PDF or proprietary software)
        
     
 
    
    
    
        
            All Major Systems:
        
        
            All mechanical, electrical, body, and diagnostic systems.
        
     
    
        
            Engine And Drivetrain:
        
        
            Engine, transmission, differential, driveshafts, and axles.
        
     
    
        
            Chassis And Body:
        
        
            Suspension, steering, brakes, chassis structure, and exterior/interior bodywork.
        
     
    
        
            Electronics And Comfort:
        
        
            ECU, sensors, infotainment, climate control, lighting, power accessories.
        
     
    
    
        
            Preventative Maintenance:
        
        
            Detailed schedules and procedures for all scheduled maintenance items.
        
     
    
        
            Routine Repairs:
        
        
            Step-by-step instructions for common repairs like brake jobs, fluid changes, and component replacements.
        
     
    
        
            Major Overhauls:
        
        
            Complete procedures for engine and transmission rebuilds, including torque specifications and tolerances.
        
     
    
        
            Diagnostics And Troubleshooting:
        
        
            Systematic approaches to identifying and resolving faults using diagnostic tools and symptom analysis.
        
     
    
        
            Electrical Troubleshooting:
        
        
            Wiring diagrams, component testing procedures, and troubleshooting flowcharts.
        
     
    
        
            Component Replacement:
        
        
            Detailed instructions for replacing virtually every component on the vehicle.
        
     
    
        
            Special Tools And Equipment:
        
        
            Identification and usage instructions for BMW-specific tools.
        
     
    
    
        
            Depth Level:
        
        
            Factory-level diagnostic and repair information.
        
     
    
        
            Diagnostics:
        
        
            Advanced diagnostics, including fault code interpretation and ECU parameter analysis.
        
     
    
        
            Repair Instructions:
        
        
            Detailed, illustrated step-by-step repair procedures.
        
     
    
        
            Schematics:
        
        
            Comprehensive electrical schematics and hydraulic diagrams.
        
     
    
        
            Specifications And Tolerances:
        
        
            Precise technical data for all components and procedures.
        
     
 
    
    
    
        
            File Type:
        
        
            Digital (likely PDF or executable software with searchable content).
        
     
    
        
            Searchability:
        
        
            Full text search capability for quick access to information.
        
     
    
    
        
            Quality:
        
        
            High-resolution diagrams and clear text, suitable for printing individual pages or sections.
        
     
    
    
        
            Binding:
        
        
            Not Applicable (Digital Format)
        
     
    
    
        
            Paper:
        
        
            Not Applicable (Digital Format)
        
     
 
    
    
    
    
        
            Engine Type:
        
        
            4.0L Naturally Aspirated V8
        
     
    
        
            Displacement:
        
        
            3999 cc (243.9 cu in)
        
     
    
        
            Bore X Stroke:
        
        
            92.0 mm x 75.2 mm
        
     
    
        
            Compression Ratio:
        
        
            12.0:1
        
     
    
    
    
        
            Horsepower:
        
        
            414 hp (309 kW) @ 8,300 rpm
        
     
    
        
            Torque:
        
        
            295 lb-ft (400 Nm) @ 3,900 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Direct Injection (EDI) with individual throttle bodies
        
     
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline (91+ Octane Recommended)
        
     
    
    
        
            Configuration:
        
        
            DOHC, 32 valves (4 valves per cylinder)
        
     
    
        
            Features:
        
        
            Double VANOS (variable valve timing)
        
     
 
    
    
    
        
            Length:
        
        
            E90 Sedan: 188.0 in (4776 mm) / E92 Coupe: 181.8 in (4618 mm) / E93 Convertible: 182.1 in (4626 mm)
        
     
    
        
            Width:
        
        
            E90/E92: 71.5 in (1816 mm) / E93: 71.7 in (1821 mm)
        
     
    
        
            Height:
        
        
            E90: 56.2 in (1427 mm) / E92: 54.5 in (1384 mm) / E93: 55.1 in (1400 mm)
        
     
    
        
            Wheelbase:
        
        
            E90/E92: 108.0 in (2745 mm) / E93: 108.0 in (2745 mm)
        
     
    
    
        
            Curb Weight:
        
        
            E90: ~3,800 lbs (1724 kg) / E92: ~3,700 lbs (1678 kg) / E93: ~4,100 lbs (1860 kg)
        
     
    
        
            Wheel Bolt Pattern:
        
        
            5x120
        
     
    
        
            Wheel Size:
        
        
            Standard: 18-inch, Optional: 19-inch
        
     
    
        
            Tire Sizes:
        
        
            Front: 255/40R18 or 255/35R19, Rear: 275/40R18 or 275/35R19 (typical)
        
     
 
    
    
    
        
            NHTSA Rating:
        
        
            Generally good ratings across categories, with some variations based on body style. Specific 2012 M3 ratings may vary.
        
     
    
    
        
            Traction Control:
        
        
            Dynamic Traction Control (DTC), Dynamic Stability Control (DSC).
        
     
    
        
            Braking:
        
        
            High-performance M compound brakes, optional Carbon Ceramic Brakes.
        
     
    
        
            Stability Control:
        
        
            M Dynamic Mode (MDM) offering extended traction control limits.
        
     
    
    
        
            Airbags:
        
        
            Front, side-impact, and head airbags.
        
     
    
        
            Seatbelts:
        
        
            Three-point inertia-reel seat belts with pretensioners and force limiters.
        
     
    
        
            Chassis Structure:
        
        
            Reinforced body structure for occupant protection.
        
     
 
    
    
    
        
            System Name:
        
        
            iDrive (Professional or Business Navigation System).
        
     
    
        
            Features:
        
        
            Navigation, Radio, CD/DVD player, Auxiliary input, Bluetooth connectivity.
        
     
    
    
        
            Adaptive Headlights:
        
        
            Available Xenon Adaptive Headlights that swivel with steering input.
        
     
    
        
            Parking Assist:
        
        
            Optional Parking Distance Control (PDC) sensors and rearview camera.
        
     
    
    
        
            Bluetooth:
        
        
            Standard Bluetooth hands-free calling and audio streaming.
        
     
    
        
            Usb Interface:
        
        
            Optional USB/Auxiliary input for media playback and device charging.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 15,000 miles or 12 months, whichever comes first, as indicated by the vehicle's Condition Based Service (CBS) system.
        
     
    
        
            Brake Fluid Flush:
        
        
            Recommended every 2 years, regardless of mileage.
        
     
    
        
            Coolant Flush:
        
        
            BMW recommends long-life coolant; often serviced based on CBS or every 4-5 years.
        
     
    
        
            Spark Plug Replacement:
        
        
            Typically around 60,000 miles.
        
     
    
    
        
            Engine Oil:
        
        
            BMW Longlife-01 (LL-01) approved synthetic oil, typically 5W-30 or 0W-40 depending on ambient temperature. Check manual for precise spec.
        
     
    
        
            Coolant:
        
        
            BMW Blue Antifreeze/Coolant.
        
     
    
    
        
            Transmission Fluid Manual:
        
        
            MTF LT-3 (BMW part number 83 22 0 396 706) or equivalent.
        
     
    
        
            Transmission Fluid M Dct:
        
        
            DCTF-1 (BMW part number 83 22 2 148 578 or 83 22 2 148 579) or equivalent.
        
     
    
        
            Differential Fluid:
        
        
            SAF-XJ or SAF-XOS (BMW part number 83 22 2 365 988 or similar).
        
     
    
    
        
            Rod Bearings:
        
        
            A well-documented issue on the S65 engine, particularly in earlier models or under hard use. Early detection and replacement are recommended.
        
     
    
        
            Throttle Actuators:
        
        
            Potential for failure of individual throttle body actuators, leading to rough running or performance issues.
        
     
    
        
            Valve Stem Seals:
        
        
            Can degrade over time, leading to oil consumption and blue smoke on startup.
        
     
    
        
            Idrive Controller:
        
        
            Occasional issues with the iDrive controller responsiveness or functionality.
        
     
    
        
            Power Steering Pump:
        
        
            Early models could experience pump failures, though this became less common in later E9x M3s.
        
     
 
    
    
    
        
            Bmw M Division:
        
        
            The M division has a rich motorsport heritage, translating road-going performance technologies into production vehicles.
        
     
    
    
        
            E90 M3 Introduction:
        
        
            The E90/E92/E93 M3 generation marked a significant shift with the introduction of the S65 V8 engine, replacing the legendary inline-six of its predecessors.
        
     
    
        
            Engine Development:
        
        
            The S65 V8 was based on the S85 V10 engine found in the E60 M5/E63 M6, showcasing BMW's commitment to naturally aspirated V8 performance.
        
     
    
    
        
            Production Years:
        
        
            2007-2013 (for the E90/E92/E93 generation).
        
     
    
        
            Manufacturing Plant:
        
        
            Regensburg, Germany.
        
     
 
    
    
    
        
            Ward Auto 10 Best Engines:
        
        
            The S65 V8 engine was a multiple recipient of the prestigious Ward's 10 Best Engines award.
        
     
    
        
            Performance Car Of The Year:
        
        
            The E90/E92/E93 M3 received numerous 'Performance Car of the Year' accolades from automotive publications globally.
        
     
    
    
        
            Driving Dynamics:
        
        
            Consistently praised for its exceptional handling, steering feel, and driver engagement.
        
     
    
    
        
            Oem Certification:
        
        
            This manual is officially licensed and produced by BMW, ensuring the highest level of accuracy and completeness.