Segment:
        
        
            Full-size Luxury Sedan
        
     
    
        
            Key Competitors:
        
        
            Mercedes-Benz S-Class, Audi A8, Lexus LS, Jaguar XJ
        
     
    
    
        
            Technological Advancements:
        
        
            iDrive infotainment system, Adaptive headlights, Electronic Damper Control (EDC), Active roll stabilization (Adaptive Drive), Self-leveling air suspension
        
     
    
        
            Design Philosophy:
        
        
            Elegant styling, driver-centric cockpit, advanced comfort and convenience features
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            North America, Europe, Global (with regional variations noted)
        
     
    
        
            Additional Coverage:
        
        
            Specific model year updates, variations between E65/E66 chassis
        
     
    
    
        
            Estimated Page Count:
        
        
            3000+ pages (typical for comprehensive workshop manuals of this era)
        
     
    
    
        
            Type:
        
        
            Factory Service Repair Workshop Manual
        
     
    
    
    
    
 
    
    
    
        
            Powertrain:
        
        
            Engine mechanical (N62, N73, M54 variants), Engine management (DME), Fuel system, Exhaust system, Transmission (GM 6-speed automatic - GM 6HP26), Drivetrain (rear-wheel drive, xDrive on select models)
        
     
    
        
            Chassis:
        
        
            Suspension (Adaptive Drive, Dynamic Drive, air suspension), Steering (Servotronic), Brakes (ABS, DSC, EBD), Wheels and Tires
        
     
    
        
            Electrical Electronics:
        
        
            Body Control Module (BCM), Comfort Access, Lighting, Infotainment (iDrive), Navigation, Audio system, Climate control, Power windows/locks/seats, Instrument cluster, Driver assistance systems (ACC, Lane Departure Warning), Parking assistance, Vehicle networking (CAN, LIN buses)
        
     
    
    
        
            Diagnostics:
        
        
            Fault code retrieval, Live data interpretation, Component testing, Troubleshooting flowcharts
        
     
    
        
            Maintenance:
        
        
            Oil changes, Filter replacements, Spark plug replacement, Brake fluid flush, Coolant flush, Belt inspection/replacement
        
     
    
        
            Repair Overhaul:
        
        
            Engine mechanical repair (head gasket, timing chain), Transmission service and overhaul, Suspension component replacement, Brake caliper and rotor replacement, Electrical component replacement, Interior trim removal/installation
        
     
    
    
        
            Diagnostic Tools:
        
        
            Use of BMW diagnostic software (ISTA/D, DISPlus) and related tools
        
     
    
        
            Wiring Diagrams:
        
        
            Comprehensive electrical schematics for all systems
        
     
    
        
            Torque Specifications:
        
        
            Detailed torque values for all fasteners
        
     
 
    
    
    
        
            Engine Code Variants:
        
        
            N62B40/B44/B48 (4.0L, 4.4L, 4.8L V8), N73B60 (6.0L V12 - 760i/Li), M54B30 (3.0L Inline-6 - 730i - select markets)
        
     
    
    
        
            Horsepower Torque Ranges:
        
        
            Varies by engine: ~255 hp to 438 hp; ~295 lb-ft to 480 lb-ft
        
     
    
    
        
            Injection Type:
        
        
            Electronic Fuel Injection (EFI) / Motronic
        
     
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline (91+ Octane)
        
     
    
    
        
            Valve Train:
        
        
            DOHC, 4 valves per cylinder, VANOS (variable valve timing)
        
     
 
    
    
    
        
            Transmission Type Standard:
        
        
            6-speed Automatic (GM 6HP26)
        
     
    
    
        
            Transmission Type Optional:
        
        
            N/A (Automatic exclusively for these model years)
        
     
    
    
        
            Gear Selection:
        
        
            Steptronic (manual shifting capability via selector lever or paddle shifters)
        
     
    
    
        
            Transmission Fluid Type:
        
        
            BMW ATF L-1, Dexron VI (check specific transmission fill for exact spec)
        
     
 
    
    
    
        
            Wheelbase E65:
        
        
            119.4 inches (3033 mm)
        
     
    
        
            Wheelbase E66:
        
        
            124.6 inches (3165 mm)
        
     
    
    
        
            Cabin Features:
        
        
            Luxurious materials, ample legroom (especially E66), advanced climate control, premium sound options
        
     
    
    
        
            Curb Weight Range:
        
        
            ~4,100 lbs to ~4,700 lbs (depending on engine and configuration)
        
     
 
    
    
    
        
            NHTSA Ratings:
        
        
            Likely 5-star ratings for frontal and side impact (based on era and class)
        
     
    
    
        
            Driver Assistance:
        
        
            Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Traction Control (ASC/T), Adaptive Cruise Control (ACC), Lane Departure Warning
        
     
    
    
        
            Airbags:
        
        
            Front airbags, front side-impact airbags, head protection system (side curtain airbags)
        
     
 
    
    
    
        
            Primary System:
        
        
            iDrive (Control Display, Central Controller)
        
     
    
        
            Features:
        
        
            Navigation system, AM/FM/Satellite Radio, CD/DVD changer, Bluetooth connectivity (phone), Voice control (optional)
        
     
    
    
        
            Advanced Systems:
        
        
            Adaptive Cruise Control (ACC), Lane Departure Warning, Active Steering (optional)
        
     
    
    
        
            Communication Protocols:
        
        
            CAN bus, MOST bus (for infotainment), LIN bus
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically 10,000-15,000 miles or as indicated by Condition Based Service (CBS) system.
        
     
    
        
            Spark Plug Replacement Interval:
        
        
            Varies by engine: e.g., N62 V8 engines often at 60,000-100,000 miles.
        
     
    
    
        
            Engine Oil Type:
        
        
            BMW Longlife-01 (LL-01) or LL-04 compliant synthetic oil, typically 0W-30 or 5W-30
        
     
    
        
            Coolant Type:
        
        
            BMW Blue (G48) Antifreeze/Coolant Concentrate, mixed 50/50 with distilled water.
        
     
    
    
        
            Common Problems Engine:
        
        
            Valve stem seals (oil consumption on N62), Ignition coil failure, VANOS solenoids/seals, Cooling system leaks (thermostat housing, water pump)
        
     
    
        
            Common Problems Electrical:
        
        
            CCC/CIC unit failures (iDrive system), LCM (Light Module Control) issues, ABS/DSC module faults, Battery drain issues
        
     
    
        
            Common Problems Chassis:
        
        
            Active roll stabilization hydraulic leaks, Air suspension compressor failure or leaks, Bushing wear (control arms, sway bar)
        
     
 
    
    
    
        
            Bmw Philosophy:
        
        
            The Ultimate Driving Machine, focus on performance, engineering, and luxury.
        
     
    
    
        
            Generation Designation:
        
        
            E65/E66 marked a significant departure in design and technology from the E38 generation.
        
     
    
    
        
            Manufacturing Locations:
        
        
            Germany (primarily Dingolfing Plant)