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)