Discerning luxury car owners seeking performance, comfort, and advanced technology, with an interest in DIY maintenance or understanding vehicle systems.
Competitive Analysis
Key Competitors:
Mercedes-Benz CL-Class, Lexus SC 430, Jaguar XK, Audi A5/A8 (depending on market focus)
Key Features
Vehicle Appeal:
Stylish design (E63 Coupe, E64 Convertible), potent V8 engine, refined interior, advanced technology features for its era, comfortable ride quality.
Manual Value:
Provides comprehensive, OEM-level repair information for owners and independent workshops, saving on dealership service costs and enabling informed maintenance decisions.
📋 Manual Details
Coverage Areas
Engine:
N62B48TU V8 Engine (4.8L)
Transmission:
6-speed automatic (GA6HP26Z)
Chassis:
Front and Rear Suspension, Steering System, Brakes
Electrical:
Engine Management, Body Electronics, Infotainment, Lighting, EWS (Electronic Immobilizer)
Body:
Exterior Panels, Interior Trim, Convertible Top Mechanism (E64)
Detailed wiring diagrams, fuse box layouts, battery system, alternator, starter, lighting (bi-xenon, adaptive), horn, wipers, power windows, power seats, mirrors.
Body & Interior:
Door locks, central locking, remote control, climate control system (HVAC), airbags, seat belts, interior trim removal, convertible top operation and repair (E64).
Information & Entertainment:
Professional Navigation System, iDrive controller, radio, CD changer, HiFi audio system, Bluetooth connectivity.
NGK SILZKR7B11 (Laser Iridium) - typically replaced every 60,000 miles
Engine Oil Type:
SAE 0W-40 Synthetic (BMW Longlife-01 Approved)
Engine Oil Capacity:
8.5 quarts (8.0 liters) with filter change
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based)
Known Issues
Common Problems:
Valve stem seal leaks (blue smoke on startup), oil pan gasket leaks, ignition coil failures, VANOS solenoid issues, coolant leaks from thermostat housing or water pump.
🔧 Transmission
Standard
Type:
6-speed automatic Steptronic
Transmission Code:
GA6HP26Z
Features
Shift Modes:
Driver-selectable automatic modes (Sport, Manual via Steptronic paddle shifters or gear lever)
Maintenance Items
Transmission Fluid Type:
ATF LT-3 (BMW part number 83 22 0 142 516 or equivalent)
Transmission Fluid Capacity:
Approximately 9-10 quarts (8.5-9.5 liters) for a pan drop and fill. Full system capacity is higher.
Transmission Filter:
Integrated filter pan (BMW part number 24 11 7 536 747 or equivalent), typically replaced with fluid.
12.1 cu ft (343 liters) with roof up / 9.0 cu ft (255 liters) with roof down
Wheels Tires
Wheel Bolt Pattern:
5 x 120 mm
Standard Wheel Size:
18 x 8.0 or 18 x 9.0
Standard Tire Size Front:
245/40R18
Standard Tire Size Rear:
245/40R18 (std on 18x8) or 275/35R18 (std on 18x9)
🛡️ Safety Features
Ratings
NHTSA Front Impact:
Not specifically rated for this model year in publicly accessible databases, but generally high for BMW of this era.
IIHS Crash Tests:
Likely good ratings for frontal offset and side impacts based on BMW's safety structure, but specific results may vary.
Active Features
Stability Control:
Dynamic Stability Control (DSC) including ABS, Traction Control (ASC+T), Dynamic Brake Control (DBC), Cornering Brake Control (CBC).
Brake Assist:
Yes (DBC)
Headlights:
Adaptive Xenon Headlights with integrated LED turn signals.
Passive Features
Airbags:
Front airbags (driver/passenger), side-impact airbags (front), head protection system (front and rear side curtain airbags).
Seat Belts:
Three-point inertia-reel seat belts with pretensioners and force limiters.
Rollover Protection:
Active rollover protection system (integrated into A-pillars and headrests for E64 Convertible).
💡 Technology Features
Infotainment
System:
iDrive Control System (CCC - Car Communication Computer)
Display:
6.5-inch or 8.8-inch color display
Navigation:
Optional Professional Navigation System with DVD or Hard Drive based maps.
Audio:
Standard Hi-Fi system, optional Logic 7 premium audio.
Driver Assistance
Parking Assistance:
Optional Park Distance Control (PDC) - front and rear sensors.
Adaptive Cruise Control:
Optional Active Cruise Control (ACC) with stop-and-go function.
Connectivity
Bluetooth:
Optional Bluetooth mobile phone integration.
Auxiliary Input:
Standard auxiliary audio input.
🔧 Maintenance
Service Intervals
Oil Change Interval:
BMW Condition Based Service (CBS) system; typically every 10,000-15,000 miles or 12-24 months, whichever comes first, depending on driving conditions.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Engine Air Filter:
Inspect every 30,000 miles, replace as needed or typically every 45,000-60,000 miles.
Cabin Air Filter:
Replace every 15,000-30,000 miles or annually.
Coolant Flush:
Initial change around 100,000 miles, then every 2-4 years thereafter.
Fluid Specifications
Power Steering Fluid:
Pentosin CHF 11S (Green fluid)
Brake Fluid:
DOT 4 High Performance
Known Issues
Common Maintenance Concerns:
Regular checks for vacuum leaks (affecting Valvetronic and idle quality), coolant expansion tank leaks, rear main seal leaks, valve cover gasket leaks.
📚 Vehicle History
Brand Heritage
Brand Focus:
BMW is renowned for its 'Ultimate Driving Machine' philosophy, focusing on performance, handling, and driver engagement, coupled with luxury and engineering excellence.
Model Evolution
Previous Generation:
The 6 Series replaced the E24 6 Series and was part of BMW's strategy to re-enter the large luxury coupe/convertible segment.
Generation:
E63 (Coupe) and E64 (Convertible) generation, introduced in 2003 for the 2004 model year, with the 650i model replacing the 645Ci for 2006.
Design Philosophy:
Designed by Chris Bangle, featuring controversial 'flame surfacing' design language which was modern and aerodynamic.
Production
Production Years:
2003-2010
Manufacturing Location:
Dingolfing, Germany
🏆 Awards & Recognition
Recognitions
General Reputation:
The 6 Series, particularly the 650i, was generally well-received for its performance, luxury, and GT capabilities, although its styling was polarizing.
Automotive Journalism:
Received positive reviews from major automotive publications for its driving dynamics and comfortable interior, though sometimes criticized for complexity of the iDrive system.