Segment:
        
        
            Luxury Grand Tourer (GT)
        
     
    
        
            Target Audience:
        
        
            Affluent consumers seeking high-performance, comfortable, and stylish coupes and convertibles
        
     
    
    
        
            Key Competitors:
        
        
            Mercedes-Benz E-Class Coupe/Convertible, Audi A7, Porsche Panamera, Maserati GranTurismo, Jaguar XK
        
     
    
    
        
            Design Philosophy:
        
        
            Elegant styling, potent engines, refined driving dynamics, and luxurious interiors
        
     
    
        
            Innovation:
        
        
            Advanced driver assistance systems, sophisticated infotainment, and performance-enhancing technologies
        
     
 
    
    
    
        
            Engine:
        
        
            4.4L Twin-Turbo V8 (N63TU), 3.0L Twin-Turbo Inline-6 (N55), including engine mechanical, lubrication, cooling, fuel, ignition, and exhaust systems
        
     
    
        
            Transmission:
        
        
            8-speed Steptronic automatic transmission (GA8HP70Z, GA8HP90Z), including repair, overhaul, fluid specifications, and electronic control
        
     
    
        
            Drivetrain:
        
        
            Rear-wheel drive and xDrive all-wheel drive systems, including differentials, driveshafts, and axles
        
     
    
        
            Suspension:
        
        
            Front double-wishbone, rear multi-link suspension, adaptive drive, dynamic drive control, and active roll stabilization
        
     
    
        
            Brakes:
        
        
            Hydraulic brake system, including ABS, DSC, Dynamic Brake Control, electronic parking brake, and brake component replacement
        
     
    
        
            Steering:
        
        
            Hydraulic power steering or Electric Power Steering (depending on specific build), Servotronic function
        
     
    
        
            Electrical:
        
        
            Full electrical system, including battery, charging system, starter, lighting, body control modules, infotainment, and diagnostics
        
     
    
        
            Body And Interior:
        
        
            Body panels, doors, hoods, trunks, convertible top mechanisms (F12), interior trim, seats, and airbags
        
     
    
        
            Climate Control:
        
        
            Automatic climate control system, A/C compressor, refrigerant, and HVAC components
        
     
    
        
            Driver Assistance:
        
        
            Parking assistance, cruise control, adaptive cruise control, lane departure warning, blind-spot detection, surround view cameras
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, brake fluid flushes, spark plug replacement, and general servicing
        
     
    
        
            Repair:
        
        
            Component replacement, troubleshooting of common and complex faults, engine overhaul, transmission repair, suspension and brake work
        
     
    
        
            Diagnostics:
        
        
            Diagnostic trouble codes (DTCs), fault finding, component testing, and use of BMW diagnostic tools (ISTA/D, ISTA/P)
        
     
    
        
            Technical Specifications:
        
        
            Torque specifications, electrical schematics, wiring diagrams, measurement values, and alignment procedures
        
     
    
        
            Component Installation:
        
        
            Step-by-step instructions for replacing and installing various vehicle components
        
     
    
    
        
            Depth:
        
        
            Vehicle-specific and comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds
        
     
    
        
            Level:
        
        
            Expert-level, intended for professional technicians, but accessible to advanced DIY mechanics
        
     
 
    
    
    
        
            Engine Code 1:
        
        
            N63TU (4.4L V8 Twin-Turbo)
        
     
    
    
        
            Horsepower 1:
        
        
            445 hp @ 5,500-6,000 rpm (650i)
        
     
    
        
            Torque 1:
        
        
            480 lb-ft @ 1,750-4,500 rpm (650i)
        
     
    
    
        
            Engine Code 2:
        
        
            N55 (3.0L Inline-6 Twin-Turbo)
        
     
    
    
        
            Horsepower 2:
        
        
            315 hp @ 5,800-6,000 rpm (640i)
        
     
    
        
            Torque 2:
        
        
            330 lb-ft @ 1,300-4,500 rpm (640i)
        
     
    
    
        
            Acceleration 0 60 640I:
        
        
            Approximately 5.4 seconds
        
     
    
        
            Acceleration 0 60 650I:
        
        
            Approximately 4.5 seconds
        
     
    
    
        
            Fuel Delivery:
        
        
            Direct injection (High-Pressure Fuel Injection)
        
     
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline (91 octane or higher recommended)
        
     
    
    
        
            ECU Type:
        
        
            Siemens MSD85/MSD87 or Continental EMS2 (specific to engine)
        
     
 
    
    
    
        
            Type:
        
        
            8-speed Steptronic automatic transmission
        
     
    
    
        
            All Wheel Drive:
        
        
            xDrive (available on 640i and 650i models)
        
     
    
    
        
            Shift Modes:
        
        
            Sport, Manual (via paddle shifters or gear selector)
        
     
    
    
        
            Transmission Fluid Type:
        
        
            BMW ATF (Automatic Transmission Fluid) or equivalent approved fluids (e.g., Shell M-1375.4, Pentosin ATF1)
        
     
    
    
        
            Transmission Fluid Capacity:
        
        
            Approximately 8-10 liters (check manual for exact fill)
        
     
 
    
    
    
        
            Length:
        
        
            192.8 inches (4,895 mm)
        
     
    
        
            Width:
        
        
            74.6 inches (1,894 mm)
        
     
    
        
            Height:
        
        
            54.9 inches (1,396 mm)
        
     
    
    
        
            Length:
        
        
            192.8 inches (4,895 mm)
        
     
    
        
            Width:
        
        
            74.6 inches (1,894 mm)
        
     
    
        
            Height:
        
        
            54.5 inches (1,385 mm)
        
     
    
    
        
            Length:
        
        
            196.1 inches (4,982 mm)
        
     
    
        
            Width:
        
        
            74.6 inches (1,894 mm)
        
     
    
        
            Height:
        
        
            55.0 inches (1,398 mm)
        
     
    
    
        
            Trunk Volume Coupe F13:
        
        
            Approx. 13.0 cubic feet (368 liters)
        
     
    
        
            Trunk Volume Convertible F12:
        
        
            Approx. 12.1 cubic feet (343 liters) with top up, 10.0 cubic feet (282 liters) with top down
        
     
    
        
            Trunk Volume Gran Coupe F06:
        
        
            Approx. 15.0 cubic feet (420 liters)
        
     
    
    
        
            Curb Weight 640I Coupe:
        
        
            Approx. 4,050 lbs (1,837 kg)
        
     
    
        
            Curb Weight 650I Coupe:
        
        
            Approx. 4,320 lbs (1,959 kg)
        
     
    
    
        
            Wheel Bolt Pattern:
        
        
            5x120 mm
        
     
    
        
            Standard Wheel Size:
        
        
            18-inch or 19-inch alloy wheels (various designs)
        
     
    
        
            Standard Tire Size:
        
        
            245/45R18 or 245/40R19 (front), 275/40R19 (rear) depending on model and options
        
     
 
    
    
    
        
            NHTSA Overall Safety Rating:
        
        
            Not explicitly rated as a unified model across all configurations; individual crash test performance is excellent
        
     
    
    
        
            Traction Control:
        
        
            Dynamic Traction Control (DTC), Dynamic Stability Control (DSC)
        
     
    
        
            Braking Systems:
        
        
            Anti-lock Braking System (ABS), Dynamic Brake Control (DBC), Cornering Brake Control (CBC)
        
     
    
        
            Driver Assistance Options:
        
        
            Lane Departure Warning, Blind Spot Detection, Surround View Cameras, Parking Assistant
        
     
    
    
        
            Airbags:
        
        
            Front airbags, side-impact airbags, knee airbags, rollover protection system (convertible)
        
     
    
        
            Seatbelts:
        
        
            Active front seat belts with pre-tensioners and force limiters
        
     
 
    
    
    
        
            System Name:
        
        
            iDrive (NBT EVO)
        
     
    
        
            Display Size:
        
        
            10.2-inch high-resolution display
        
     
    
        
            Features:
        
        
            Navigation, Bluetooth audio streaming, USB connectivity, SiriusXM Satellite Radio, voice control, internet connectivity (BMW Online)
        
     
    
    
        
            Adaptive Cruise Control:
        
        
            Optional: Active Cruise Control with Stop & Go function
        
     
    
        
            Parking Aids:
        
        
            Front and Rear Park Distance Control (PDC), optional Surround View cameras
        
     
    
    
        
            Bmw Connecteddrive:
        
        
            Suite of services including concierge, remote services, and real-time traffic information.
        
     
 
    
    
    
        
            Oil Service:
        
        
            Condition Based Service (CBS) system; typically every 10,000-15,000 miles or annually, depending on driving conditions.
        
     
    
        
            Brake Fluid:
        
        
            Every 2 years, regardless of mileage.
        
     
    
        
            Spark Plugs:
        
        
            Around 60,000 miles for N55, 45,000 miles for N63TU (check specific manual recommendations).
        
     
    
    
        
            Engine Oil Type N55:
        
        
            BMW TwinPower Turbo SAE 0W-30 Synthetic (API SN, ACEA C3 or LL-04)
        
     
    
        
            Engine Oil Type N63Tu:
        
        
            BMW TwinPower Turbo SAE 0W-30 Synthetic (API SN, ACEA C3 or LL-04)
        
     
    
        
            Coolant Type:
        
        
            BMW Blue Antifreeze/Coolant (G48 formulation)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 Low Viscosity (LV)
        
     
    
    
        
            N63Tu Engine Specific:
        
        
            Potential for oil consumption, carbon buildup on intake valves, ignition coil and injector issues, water pump failures.
        
     
    
        
            F12 Convertible Specific:
        
        
            Hydraulic pump for the convertible roof, seals, and actuators can be prone to issues over time.
        
     
    
        
            General F Series:
        
        
            Electronic module failures (e.g., CCC/CIC, CAS), suspension component wear, active sway bar issues.
        
     
 
    
    
    
        
            Bmw Legacy:
        
        
            BMW has a long-standing reputation for building performance-oriented luxury vehicles with a focus on driving dynamics.
        
     
    
    
        
            Predecessors:
        
        
            The 6 Series designation dates back to the E24 generation (1976–1989) and the E63/E64 generation (2003–2010), all representing BMW's flagship coupes and convertibles.
        
     
    
        
            Generation F Series:
        
        
            The F12/F13/F06 generation introduced a more modern design, advanced technology, and more efficient powertrain options compared to its predecessor.
        
     
    
    
        
            Production Period:
        
        
            2011-2018 (F12/F13), 2012-2017 (F06)
        
     
    
        
            Manufacturing Location:
        
        
            Dingolfing Plant, Germany