The 2005 BMW 6-Series (E63 coupe, E64 convertible) marked the grand return of BMW's luxury grand tourer after a 14-year hiatus. Produced from 2004-2010, the 2005 model was primarily available as the 645Ci. Originally priced new from around $70,000-$80,000+, it stood out for its distinctive "Bangle Butt" design, powerful V8 engine, and blend of sporty performance with luxurious comfort, making it a highly desirable, prestigious touring car.
The Good
Its 4.4L V8 offers strong performance and an engaging driving experience for emotional buyers. Practically, it provides a luxurious and comfortable cabin perfect for long journeys. The unique design, while polarizing, ensures it stands out. As a used vehicle, its significant depreciation offers impressive value, combining premium features and a prestigious badge at an accessible price point.
The Bad
Known weaknesses include its complex and sometimes frustrating first-generation iDrive infotainment system. Potential high maintenance and repair costs, especially for its intricate electronics and engine components, are significant. The "Bangle Butt" rear styling remains a polarizing design element, and run-flat tires can be a costly replacement.
2005 BMW 6-Series: Quick Overview
- Engine: 4.4-liter DOHC 32-valve V8 (N62B44)
- Horsepower: 325 hp at 6,100 rpm
- Torque: 330 lb-ft at 3,600 rpm
- Transmission: 6-speed automatic with Steptronic, or 6-speed manual (rare)
- Fuel Economy (EPA est.):
– Manual: 15 MPG city / 23 MPG highway / 18 MPG combined
– Automatic: 17 MPG city / 24 MPG highway / 19 MPG combined - 0-60 MPH: Approximately 5.4-5.6 seconds (Coupe, automatic)
- Towing Capacity: Not rated for towing; not recommended for this vehicle type.
- Trim Levels & Key Features (645Ci Coupe/Convertible):
– Standard Features: 18-inch alloy wheels, Xenon headlights, leather upholstery, power-adjustable front seats with memory, automatic climate control, iDrive infotainment system, premium audio system, Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Park Distance Control (PDC) front and rear, power tilt/telescoping steering column, rain-sensing wipers, automatic headlamps.
– Optional Features often found:
– Sport Package: 19-inch wheels, sport suspension, sport seats, gloss black trim.
– Cold Weather Package: Heated front seats, heated steering wheel.
– Premium Sound System: Logic7 audio with improved speakers and amplifier.
– Navigation System: Integrated GPS with iDrive.
– Active Steering: Variable ratio steering system.
– Active Roll Stabilization (ARS): Reduces body roll in corners.
– Head-Up Display (HUD): Projects key information onto the windshield.
– Comfort Access (keyless entry and start).
– Satellite radio tuner.
2005 BMW 6-Series Specifications
Vehicle Information
| Year | 2005 |
| Make | BMW |
| Model | 6-Series |
| Trim | - |
| Style | Coupe Rear-Wheel Drive |
| Type | Coupe |
| Category | Subcompact Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | DINGOLFING |
Dimensions
| Doors | 2-Door |
| Curb Weight | 1900.1 kg |
| Gross Vehicle Weight Rating | 2095.14 kg |
| Overall Height | 137.41 cm |
| Overall Length | 483.11 cm |
| Overall Width | 185.42 cm |
| Wheelbase Length | 277.88 cm |
| Standard Seating | 4 |
Engine & Performance
| Engine | 4.4-L V-8 |
| Engine Size | 4.4L |
| Engine Cylinders | 8 |
| Transmission | Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | - |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $76,900 USD |
| Invoice Price | $70,160 USD |
| Delivery Charges | $695 USD |
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What Problems Does the 2005 BMW 6-Series Have?
The 2005 BMW 6-Series, like many complex luxury vehicles, has several frequently reported problems and long-term reliability concerns. A prominent issue with the N62 V8 engine, shared with other BMWs of this era, is premature valve stem seal failure, leading to excessive oil consumption and blue smoke from the exhaust. This is a labor-intensive and costly repair. Another common engine problem is coolant transfer pipe leaks, often requiring engine removal to fix, and alternator bracket gasket leaks.
Electronically, the first-generation iDrive system can be problematic, suffering from glitches, freezing, and control knob failures. Window regulators are known to fail, and various electrical gremlins, often linked to wiring harness issues or water intrusion, can affect sensors, modules, and accessories. Parking Distance Control (PDC) sensors frequently fail.
Suspension components, such as control arm bushings and ball joints, wear out, leading to clunks and imprecise handling. Vehicles equipped with Active Roll Stabilization (ARS) can experience leaks in the hydraulic lines or issues with the sway bar actuators, which are expensive to repair. The ZF automatic transmission is generally robust, but mechatronic unit failures can occur at higher mileages, manifesting as harsh shifts or slipping.
Recalls for the 2005 BMW 6-Series typically involved safety components. For example, some models were included in the widespread Takata airbag recall. Owners should always check the NHTSA website for specific recall information pertaining to their VIN. Long-term ownership demands proactive maintenance and a significant budget, as parts are expensive and specialized labor is required. Neglecting early warning signs often leads to more severe and costly repairs down the line.
Electronically, the first-generation iDrive system can be problematic, suffering from glitches, freezing, and control knob failures. Window regulators are known to fail, and various electrical gremlins, often linked to wiring harness issues or water intrusion, can affect sensors, modules, and accessories. Parking Distance Control (PDC) sensors frequently fail.
Suspension components, such as control arm bushings and ball joints, wear out, leading to clunks and imprecise handling. Vehicles equipped with Active Roll Stabilization (ARS) can experience leaks in the hydraulic lines or issues with the sway bar actuators, which are expensive to repair. The ZF automatic transmission is generally robust, but mechatronic unit failures can occur at higher mileages, manifesting as harsh shifts or slipping.
Recalls for the 2005 BMW 6-Series typically involved safety components. For example, some models were included in the widespread Takata airbag recall. Owners should always check the NHTSA website for specific recall information pertaining to their VIN. Long-term ownership demands proactive maintenance and a significant budget, as parts are expensive and specialized labor is required. Neglecting early warning signs often leads to more severe and costly repairs down the line.
How long will the 2005 BMW 6-Series last?
With diligent maintenance, a 2005 BMW 6-Series can easily achieve 150,000 to 200,000 miles or more, offering 15-20 years of service. Its core engine and transmission components are robust. However, long-term durability is heavily dependent on proactive maintenance habits. Neglect quickly leads to cascading failures.
Weaknesses surface over time as seals, gaskets, and plastic cooling system components (e.g., expansion tank, hoses) degrade, leading to leaks and potential overheating. Electronic modules and sensors also become more prone to failure with age. Addressing these age-related wear items promptly is crucial to its longevity. While the platform is solid, owners must be prepared for the ongoing costs associated with maintaining a complex, high-performance luxury vehicle well past its warranty period.
Weaknesses surface over time as seals, gaskets, and plastic cooling system components (e.g., expansion tank, hoses) degrade, leading to leaks and potential overheating. Electronic modules and sensors also become more prone to failure with age. Addressing these age-related wear items promptly is crucial to its longevity. While the platform is solid, owners must be prepared for the ongoing costs associated with maintaining a complex, high-performance luxury vehicle well past its warranty period.
What Technology & Safety Features are Included?
The 2005 BMW 6-Series was a showcase for BMW's technology at the time. Its centerpiece was the first-generation iDrive infotainment system, controlled by a central knob and featuring a dashboard-mounted screen. This system managed navigation (optional), climate, and entertainment functions, including a CD player and an optional 6-disc CD changer, often paired with the excellent Logic7 premium sound system (Harman Kardon). Early Bluetooth phone integration was available, though it often required specific modules.
Driver-assistance features were advanced for its era, including Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Dynamic Brake Control (DBC), and a sophisticated Anti-lock Braking System (ABS). Optional features like Park Distance Control (PDC) provided front and rear parking sensors. More advanced options included Active Steering, which varied the steering ratio based on speed, and Active Roll Stabilization (ARS), which used hydraulics to minimize body roll during cornering, significantly enhancing driving dynamics.
Safety features included dual front airbags, side impact airbags, and head protection airbags for both front occupants. Standard equipment also encompassed automatic headlamps and rain-sensing wipers. While specific crash-test ratings for the 2005 6-Series by NHTSA or IIHS are not widely available, BMW vehicles of this generation, sharing platforms like the E60 5-Series (which typically performed well in European crash tests), generally exhibited strong structural integrity and comprehensive passive safety measures. The focus was on occupant protection through a robust chassis and multiple airbag systems.
Driver-assistance features were advanced for its era, including Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Dynamic Brake Control (DBC), and a sophisticated Anti-lock Braking System (ABS). Optional features like Park Distance Control (PDC) provided front and rear parking sensors. More advanced options included Active Steering, which varied the steering ratio based on speed, and Active Roll Stabilization (ARS), which used hydraulics to minimize body roll during cornering, significantly enhancing driving dynamics.
Safety features included dual front airbags, side impact airbags, and head protection airbags for both front occupants. Standard equipment also encompassed automatic headlamps and rain-sensing wipers. While specific crash-test ratings for the 2005 6-Series by NHTSA or IIHS are not widely available, BMW vehicles of this generation, sharing platforms like the E60 5-Series (which typically performed well in European crash tests), generally exhibited strong structural integrity and comprehensive passive safety measures. The focus was on occupant protection through a robust chassis and multiple airbag systems.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2005 BMW 6-Series Prices and Market Value
When new in 2005, the 645Ci Coupe had a starting MSRP around $69,000-$70,000, while the 645Ci Convertible began closer to $76,000-$77,000. Optioning these vehicles could easily push prices well into the $80,000s.
Today, current used market prices vary significantly based on condition, mileage, and maintenance. Well-maintained examples typically range from $8,000 to $18,000, with exceptional, low-mileage models occasionally fetching more. The 6-Series has experienced severe depreciation, common for luxury grand tourers. Factors affecting its current resale value include comprehensive service history, cosmetic condition, mechanical soundness (especially engine health), and whether desirable options like the Sport Package or premium audio are present. Lack of records or unresolved mechanical issues will drastically reduce its value.
Today, current used market prices vary significantly based on condition, mileage, and maintenance. Well-maintained examples typically range from $8,000 to $18,000, with exceptional, low-mileage models occasionally fetching more. The 6-Series has experienced severe depreciation, common for luxury grand tourers. Factors affecting its current resale value include comprehensive service history, cosmetic condition, mechanical soundness (especially engine health), and whether desirable options like the Sport Package or premium audio are present. Lack of records or unresolved mechanical issues will drastically reduce its value.
2005 BMW 6-Series Cost of Ownership
Owning a 2005 BMW 6-Series is unequivocally costly. Insurance premiums are high due to its luxury, performance, and expensive parts. It requires premium unleaded fuel, and with an average combined MPG of around 17-20, fuel costs add up quickly. Maintenance is expensive, necessitating specialized BMW labor and costly parts for even routine service.
Repair costs are a major concern; common issues like valve stem seals or coolant system components can run into thousands of dollars. Long-term ownership requires a substantial budget for ongoing repairs and preventative maintenance, easily exceeding $1,500-$3,000 annually. This vehicle is certainly not economical to own; budget generously.
Repair costs are a major concern; common issues like valve stem seals or coolant system components can run into thousands of dollars. Long-term ownership requires a substantial budget for ongoing repairs and preventative maintenance, easily exceeding $1,500-$3,000 annually. This vehicle is certainly not economical to own; budget generously.
2005 BMW 6-Series Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
47.3 liters
City Mileage
6.25 km/l
Highway Mileage
4.17 km/l
2005 BMW 6-Series Safety Rating
NHTSA
IIHS
2005 BMW 6-Series Recalls & Defects
Power Train:automatic Transmission
Recall date
2005-11-01
Recall no.
05v504000
Source
NHTSA
Summary
Certain Passenger Vehicles MAY Have Been Built With AN Incorrectly Manufactured Automatic Transmission Parking Pawl Guide Plate.
Consequence
This Could Cause THE Parking Lock System NOT TO Engage, After THE Transmission IS Placed IN THE Park ("p") Position. IF THE Vehicle WAS Parked ON AN Incline, and THE Parking Brake WAS NOT Engaged, This Could Result IN A Vehicle Rollaway Condition.
Remedy
Dealers Will Repair and Replace THE Automatic Transmission Guide Plate Free OF Charge. THE Recall Began ON November 30, 2005. Owners MAY Contact BMW AT 1-800-332-4269.
Notes
Customers MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Http://Www.safercar.gov.
Service Brakes, Hydraulic:power Assist:vacuum
Recall date
2010-10-01
Recall no.
10v446000
Source
NHTSA
Summary
BMW IS Recalling Certain Model Year 2004-2010 5-Series, 6-series, and Model Year 2002-2008 7-series Vehicles. A Check Valve OF THE Brake Vacuum Pump MAY Leak A Small Amount OF Lubricating Oil. Over Time This Could Result IN Contamination OF THE Brake Booster.
Consequence
Power Assist Braking Performance Could BE Adversely Affected. IN Extreme Cases There Could BE A Complete Loss OF Power Assist Braking. AN Unexpected Reduction or Loss IN Power Braking Assist MAY Increase THE Risk OF A Crash.
Remedy
BMW Will Notify Owners and Dealers Will Repair THE Vehicles Free OF Charge. THE Safety Recall Began ON November 24, 2010. Owners MAY Contact BMW AT 1-800-525-7417.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO <A Href=http://Www.safercar.gov>http://www.safercar.gov</a> .
Engine and Engine Cooling:cooling System:fan
Recall date
2012-08-10
Recall no.
12e029000
Source
NHTSA
Summary
This Recall Involves Aftermarket Parts Sold BY Valeo. Valeo IS Recalling Certain Engine Cooling Fans, Part Numbers 696121, 696273, and 696275, Used AS Service Replacement Parts FOR Model Year 2008-2011 BMW 1-Series, 2006-2011 BMW 3-series, 2000-2009 BMW 5-series, 2004-2005 BMW 6-series, and 2006-2007 BMW 7-series Vehicles. A Metal-oxide Semiconductor MAY Overheat DUE TO Insufficient Screwing OF THE Semiconductor ON THE Aluminum Heat Sink. This Primary Failure Could Cause Adjacent Components ON THE FAN Assembly Motor Circuit Board TO Overheat and Short.
Consequence
This Condition Could Cause THE FAN Motor TO Become Inoperative, or Cause THE Motor Circuit Board IN THE Assembly TO Overheat, Potentially Leading TO A Fire IN THE Engine Compartment.
Remedy
Valeo Will Notify Owners and Replace THE Fans Free OF Charge. THE Safety Recall Began ON August 22, 2012. This Recall IS Being Conducted BY Valeo, NOT BY Bmw. FOR Further Information, Owners MAY Contact Valeo AT 1-888-718-2536.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Electrical System:12v/24v/48v Battery:cables
Recall date
2012-03-26
Recall no.
12v126000
Source
NHTSA
Summary
BMW IS Recalling Certain Model Year 2004-2010 5-Series, Model Year 2004-2010 6-series, Model Year 2006-2010 M5, and Model Year 2007-2010 M6 Vehicles. THE Insulated Bulkhead Connector FOR THE Positive Battery Cable MAY Have Been Incorrectly Attached TO THE Trunk Floor Panel, Which CAN Lead TO A Loosening OF THE Bolt Connection. AS IT Loosens, AN Increase IN Electrical Resistance AT This Cable Connection IS Possible and Could Cause THE Cable Connection TO Overheat.
Consequence
Overheating Could Lead TO A Fire, Even While THE Vehicle IS NOT IN Use. AS A Precaution, Owners ARE Advised TO Park Outside Until THE Remedy HAS Been Made.
Remedy
BMW Will Notify Owners, and Dealers Will Inspect and Secure THE Battery Bolt Cable Connection AS Necessary, Free OF Charge. THE Safety Recall Began ON April 30, 2012. Owners MAY Contact BMW Customer Relations and Services AT 1-800-525-7417.
Notes
Customers MAY Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty: 1-800-424-9153); or GO TO Http://Www.safercar.gov.
2005 BMW 6-Series Warranty
Basic
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Rust
Original warranty
144 months / unlimited miles
Estimated remaining
Expired
2005 BMW 6-Series Insurance
Insurance for a 2005 BMW 6-Series is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2005 BMW 6-Series Compare to Other Coupe?
The 2005 BMW 6-Series competes with rivals like the Mercedes-Benz CLK-Class (CLK500/CLK55 AMG), Jaguar XK8/XKR, and the Lexus SC430, with a stretch to the Porsche 911 (996/997 generation) for performance.
In performance, the 6-Series (645Ci) offers a compelling blend of powerful V8 acceleration and agile handling, feeling more sporting than the Lexus SC430 and often more dynamic than the Mercedes CLK, though not as raw or track-focused as a 911. Its grand touring capabilities are excellent.
Features were competitive; the 6-Series introduced the iDrive system and advanced options like Active Steering and Active Roll Stabilization. Mercedes-Benz CLK models offered similar levels of luxury and technology. The Lexus SC430 focused more on serene comfort and simplicity.
Reliability is where the 6-Series can fall short compared to some rivals. Its complexity, particularly the N62 engine's known issues (valve stem seals, coolant pipes) and electronic gremlins, often lead to higher repair costs than, for instance, the exceptionally reliable Lexus SC430. Mercedes CLK models also have their complexities but might be perceived as marginally less problematic than the early E63/E64. Jaguar XKR can also be maintenance-intensive.
Used Price for a 2005 6-Series is competitive with similar-vintage CLK500/CLK55 AMG models. The Lexus SC430 tends to hold its value slightly better due to its reputation for bulletproof reliability, while the Porsche 911, even from the same era, generally commands a significantly higher price.
Alternatives:
In performance, the 6-Series (645Ci) offers a compelling blend of powerful V8 acceleration and agile handling, feeling more sporting than the Lexus SC430 and often more dynamic than the Mercedes CLK, though not as raw or track-focused as a 911. Its grand touring capabilities are excellent.
Features were competitive; the 6-Series introduced the iDrive system and advanced options like Active Steering and Active Roll Stabilization. Mercedes-Benz CLK models offered similar levels of luxury and technology. The Lexus SC430 focused more on serene comfort and simplicity.
Reliability is where the 6-Series can fall short compared to some rivals. Its complexity, particularly the N62 engine's known issues (valve stem seals, coolant pipes) and electronic gremlins, often lead to higher repair costs than, for instance, the exceptionally reliable Lexus SC430. Mercedes CLK models also have their complexities but might be perceived as marginally less problematic than the early E63/E64. Jaguar XKR can also be maintenance-intensive.
Used Price for a 2005 6-Series is competitive with similar-vintage CLK500/CLK55 AMG models. The Lexus SC430 tends to hold its value slightly better due to its reputation for bulletproof reliability, while the Porsche 911, even from the same era, generally commands a significantly higher price.
Alternatives:
- For more reliability and ease of ownership: The Lexus SC430 is a strong contender, offering smooth V8 power and a comfortable ride, albeit with less sporty dynamics.
- For similar performance and luxury, but with potentially different ownership experience: The Mercedes-Benz CLK500/CLK55 AMG provides comparable V8 power and luxury features, with its own set of potential ownership costs.
- For a purer sports car experience (at a higher price): A Porsche 911 (996/997) offers superior driving dynamics and a more timeless design, though also comes with premium maintenance costs.
Final Verdict: Is the 2005 BMW 6-Series a Good Coupe?
The 2005 BMW 6-Series is ideal for the enthusiast seeking a powerful, stylish, and luxurious grand tourer with engaging driving dynamics and a prestigious badge. It's for someone who appreciates sophisticated engineering and distinctive design, and importantly, is prepared for significant long-term ownership costs. This isn't an economical daily driver.
Is it worth buying? Absolutely, but under very specific conditions. As a used vehicle, it offers tremendous value for its initial purchase price, providing a high-end luxury experience for a fraction of its original cost. However, it is crucial to perform a comprehensive pre-purchase inspection by a BMW specialist. Ensure the vehicle has detailed service records, particularly addressing common N62 engine issues. Budget a substantial "repair fund" (e.g., $3,000-$5,000) for ongoing maintenance and potential repairs. The 645Ci offers a solid entry point; later 650i models provide more power, while the M6 is for those prioritizing ultimate performance. Avoid models with known, unaddressed mechanical issues unless you're prepared for immediate, costly repairs.
Is it worth buying? Absolutely, but under very specific conditions. As a used vehicle, it offers tremendous value for its initial purchase price, providing a high-end luxury experience for a fraction of its original cost. However, it is crucial to perform a comprehensive pre-purchase inspection by a BMW specialist. Ensure the vehicle has detailed service records, particularly addressing common N62 engine issues. Budget a substantial "repair fund" (e.g., $3,000-$5,000) for ongoing maintenance and potential repairs. The 645Ci offers a solid entry point; later 650i models provide more power, while the M6 is for those prioritizing ultimate performance. Avoid models with known, unaddressed mechanical issues unless you're prepared for immediate, costly repairs.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.