The 2004 BMW Z4 marked a new generation for BMW's roadster, replacing the Z3. It's a two-door convertible, known for its sporty handling and distinctive styling. Model years ranged from 2003 to 2008 for the first generation (E85). Key trims included the 2.5i and 3.0i, distinguished by their engine size. When new, the Z4's price ranged from around $33,000 to $41,000. Its sharp design and engaging driving experience made it a popular choice.
The Good
The 2004 BMW Z4 offers a compelling blend of performance and style. It delivers engaging handling that appeals to driving enthusiasts. While not the most reliable car, it is relatively simple to work on. Its striking design turns heads, satisfying emotional desires. For practical buyers, it offers reasonable fuel efficiency for a sports car and good value on the used market.
The Bad
Potential weaknesses of the 2004 BMW Z4 include electrical issues, problems with the convertible top mechanism, and oil leaks, especially as the car ages. Suspension components and bushings can wear, affecting handling. Also, check for coolant leaks and potential VANOS (variable valve timing) issues. Thorough pre-purchase inspections are crucial.
2004 BMW Z4: Quick Overview
- Engine Options:
- 2.5i: 2.5-liter inline-6
- 3.0i: 3.0-liter inline-6
- Horsepower:
- 2.5i: 184 hp
- 3.0i: 225 hp
- Fuel Economy (EPA Estimated):
- 2.5i: 20 mpg city / 28 mpg highway (manual)
- 3.0i: 19 mpg city / 27 mpg highway (manual)
- Automatic transmissions have slightly lower fuel economy
- 0-60 Times:
- 2.5i: Around 7.0 seconds
- 3.0i: Around 5.9 seconds
- Towing Capacity:
- Not Recommended or Specified by BMW
- Trim-Level Features:
- 2.5i: Leatherette upholstery, power windows and locks, air conditioning, alloy wheels, a basic sound system, and stability control.
- 3.0i: Adds leather upholstery, upgraded sound system, sport seats, and typically more optional packages were available.
- Optional Features (Across Trims): Premium Package (including automatic climate control and upgraded audio), Sport Package (including sport suspension and wheels), heated seats, navigation system (dated by today's standards), xenon headlights.
2004 BMW Z4 Specifications
Vehicle Information
| Year | 2004 |
| Make | BMW |
| Model | Z4 |
| Trim | - |
| Style | 5-Speed Automatic |
| Type | Convertible |
| Category | Sports Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | SPARTANBURG |
Dimensions
| Doors | 2-Door |
| Curb Weight | 1359.87 kg |
| Gross Vehicle Weight Rating | - |
| Overall Height | 127.25 cm |
| Overall Length | 409.19 cm |
| Overall Width | 178.05 cm |
| Wheelbase Length | 249.43 cm |
| Standard Seating | 2 |
Engine & Performance
| Engine | 2.5-L L-6 DOHC 24V |
| Engine Size | 2.5L |
| Engine Cylinders | 6 |
| Transmission | 5-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 5-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $33,600 USD |
| Invoice Price | $30,735 USD |
| Delivery Charges | $695 USD |
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Analysis
What Problems Does the 2004 BMW Z4 Have?
Frequently reported problems for the 2004 BMW Z4 include issues with the convertible top mechanism, particularly its hydraulics and sensors. These can lead to the top failing to open or close properly. Electrical problems are also common, ranging from malfunctioning sensors to issues with the central locking system. Oil leaks, especially from the valve cover gasket and oil filter housing, are another recurring concern as the car ages.
VANOS (variable valve timing) issues can occur, leading to rough idling and decreased performance. Suspension components, like bushings and ball joints, are susceptible to wear and tear, affecting handling. Coolant leaks, especially from the expansion tank, are also frequently reported.
While specific recall information should be checked on the NHTSA website with the VIN, potential recalls could be related to safety features like airbags or seatbelts. Long-term reliability concerns mainly revolve around the aforementioned issues becoming more prevalent and potentially more expensive to repair as the car accumulates mileage. The earlier model years, including 2004, might show more of these age-related issues compared to later model years, due to wear and tear.
VANOS (variable valve timing) issues can occur, leading to rough idling and decreased performance. Suspension components, like bushings and ball joints, are susceptible to wear and tear, affecting handling. Coolant leaks, especially from the expansion tank, are also frequently reported.
While specific recall information should be checked on the NHTSA website with the VIN, potential recalls could be related to safety features like airbags or seatbelts. Long-term reliability concerns mainly revolve around the aforementioned issues becoming more prevalent and potentially more expensive to repair as the car accumulates mileage. The earlier model years, including 2004, might show more of these age-related issues compared to later model years, due to wear and tear.
How long will the 2004 BMW Z4 last?
With proper maintenance, a 2004 BMW Z4 can realistically last well over 200,000 miles or 15-20 years. However, its longevity heavily depends on consistent upkeep. Owners who diligently follow the recommended maintenance schedule, address issues promptly, and avoid neglecting repairs will see the best results.
Long-term durability is most affected by the rubber and plastic components, which can become brittle and fail over time. Oil leaks, cooling system issues, and suspension wear are typical concerns. Regular fluid changes, inspections, and timely replacements of worn parts are essential to maximizing its lifespan.
Long-term durability is most affected by the rubber and plastic components, which can become brittle and fail over time. Oil leaks, cooling system issues, and suspension wear are typical concerns. Regular fluid changes, inspections, and timely replacements of worn parts are essential to maximizing its lifespan.
What Technology & Safety Features are Included?
The 2004 BMW Z4 offers a relatively basic set of built-in tech and safety features compared to modern cars. Standard entertainment includes a CD player and radio. Upgraded sound systems were available as optional features. Navigation was also an option, but the system is outdated by today’s standards.
Driver-assistance features were minimal; it primarily relies on the driver's skill. Standard safety features include anti-lock brakes (ABS), stability control (DSC), and front airbags. Side airbags were also available as an option.
The NHTSA (National Highway Traffic Safety Administration) and IIHS (Insurance Institute for Highway Safety) crash-test ratings for the 2004 BMW Z4 should be reviewed for detailed safety performance. Remember to verify this information directly from their respective websites.
Compared to modern vehicles, the Z4 lacks advanced driver-assistance systems (ADAS) like blind-spot monitoring, lane departure warning, or automatic emergency braking. Its appeal lies in its raw driving experience, rather than its cutting-edge technology.
Driver-assistance features were minimal; it primarily relies on the driver's skill. Standard safety features include anti-lock brakes (ABS), stability control (DSC), and front airbags. Side airbags were also available as an option.
The NHTSA (National Highway Traffic Safety Administration) and IIHS (Insurance Institute for Highway Safety) crash-test ratings for the 2004 BMW Z4 should be reviewed for detailed safety performance. Remember to verify this information directly from their respective websites.
Compared to modern vehicles, the Z4 lacks advanced driver-assistance systems (ADAS) like blind-spot monitoring, lane departure warning, or automatic emergency braking. Its appeal lies in its raw driving experience, rather than its cutting-edge technology.
What Colors Options are Available?
Exterior Colors
Black Sapphire Metallic
Silver Gray Metallic
Titanium Silver Metallic
Imola Red
Oxford Green Metallic
Steel Gray Metallic
Toledo Blue Metallic
Phoenix Yellow
Alpine White
Interior Colors
Oregon Beige Leather
Black Leather
Red Leather
2004 BMW Z4 Prices and Market Value
When new, the 2004 BMW Z4 2.5i started around $33,000, while the 3.0i was closer to $41,000. Now, expect to find used models ranging from $5,000 to $15,000 depending on condition, mileage, and options. The Z4 has depreciated significantly, as is typical for sports cars.
Factors affecting resale value include: condition (rust-free and well-maintained examples command higher prices), mileage (lower is better), service history (documented maintenance is key), and desirable options (like the Sport Package). Low mileage examples in excellent condition with complete service records fetch a premium.
Factors affecting resale value include: condition (rust-free and well-maintained examples command higher prices), mileage (lower is better), service history (documented maintenance is key), and desirable options (like the Sport Package). Low mileage examples in excellent condition with complete service records fetch a premium.
2004 BMW Z4 Cost of Ownership
Owning a 2004 BMW Z4 can be moderately costly. Insurance premiums will likely be higher than average due to its sports car classification. Fuel costs are reasonable but not exceptional. Maintenance and repair can be more expensive than mainstream cars, as BMW parts and labor tend to be pricier.
Long-term ownership costs will depend on the car's condition and how well it has been maintained. Budgeting for potential repairs is wise, especially regarding known issues like convertible top and electrical problems.
Long-term ownership costs will depend on the car's condition and how well it has been maintained. Budgeting for potential repairs is wise, especially regarding known issues like convertible top and electrical problems.
2004 BMW Z4 Fuel Efficiency
Fuel Type
Gasoline (Required)
Fuel Capacity
54.89 liters
City Mileage
8.5 km/l
Highway Mileage
11.9 km/l
2004 BMW Z4 Safety Rating
NHTSA
IIHS
2004 BMW Z4 Recalls & Defects
Fuel System, Gasoline:delivery:fuel Pump
Recall date
2004-04-12
Recall no.
04v182000
Source
NHTSA
Summary
ON Certain Passenger Vehicles, Under Certain Environmental Conditions, A Vapor Lock IN THE Fuel Pump Could Occur Causing THE Engine TO Stall. IF This Were TO Happen, THE Engine Would NOT BE Able TO BE Restarted FOR Approximately 15 TO 20 Minutes.
Consequence
IF Stalling Were TO Occur, THE Driver Would BE Unable TO Maintain Vehicle Speed or Accelerate, Increasing THE Risk OF A Crash.
Remedy
Dealers Will Install A Resistor IN THE Electrical Line Powering THE Fuel Pump IN Order TO Prevent AN Occurrence OF Vapor Lock. THE Recall Began MAY 11, 2004. Owners Should Contact BMW AT 1-800-831-1117.
Notes
Customers CAN Also Contact THE National Highway Traffic Safety Administration's Auto Safety Hotline AT 1-888-Dash-2-dot (1-888-327-4236).
2004 BMW Z4 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
72 months / unlimited miles
Estimated remaining
Expired
2004 BMW Z4 Insurance
Insurance for a 2004 BMW Z4 is moderately priced, reflecting its status as a Convertible with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2004 BMW Z4 Compare to Other Convertible?
The 2004 BMW Z4 competed with roadsters like the Mercedes-Benz SLK, Porsche Boxster, and Honda S2000. In terms of performance, the Z4 offers a balanced blend of handling and power, although the Boxster might offer sharper handling and the S2000 a more raw driving experience.
Feature-wise, the Z4 was competitive for its time, but rivals like the SLK often had more luxurious appointments. Reliability is a mixed bag; the Z4 can have electrical gremlins, whereas the Honda S2000 is known for its bulletproof reliability.
Price-wise, the Z4 falls in the middle of the pack on the used market.
Alternatives to consider:
Feature-wise, the Z4 was competitive for its time, but rivals like the SLK often had more luxurious appointments. Reliability is a mixed bag; the Z4 can have electrical gremlins, whereas the Honda S2000 is known for its bulletproof reliability.
Price-wise, the Z4 falls in the middle of the pack on the used market.
Alternatives to consider:
- Porsche Boxster: For a more refined sports car experience and slightly better handling, but potentially higher running costs.
- Honda S2000: For ultimate reliability and a high-revving engine, but less luxurious and refined.
- Mercedes-Benz SLK: For a more luxurious and comfortable roadster experience, but potentially higher maintenance costs.
Ranks #125 Convertible
| 1 | 2005 Toyota MR2 Spyder | (0.0★) |
| 2 | 2015 Lexus IS | (0.0★) |
| 3 | 2009 Honda S2000 | (4.0★) |
| 4 | 2023 Mazda MX-5 Miata RF | (4.0★) |
| 5 | 2023 BMW 8 Series | (0.0★) |
| 6 | 2021 Ford Mustang | (5.0★) |
| 7 | 2020 Mercedes-Benz SL-Class | (0.0★) |
| 8 | 2023 Audi S5 Sportback | (0.0★) |
| 9 | 2023 Ferrari F8 Spider | (0.0★) |
| 10 | 2023 Porsche 718 Boxster | (4.0★) |
| 11 | 2021 Jeep Compass | (5.0★) |
| 12 | 2019 Buick Cascada | (0.0★) |
| 125 | 2004 BMW Z4 | (0.0★) |
Final Verdict: Is the 2004 BMW Z4 a Good Convertible?
The 2004 BMW Z4 is ideal for driving enthusiasts seeking an engaging roadster experience without breaking the bank. It's worth buying as a used car if you're willing to accept its age-related quirks and potential maintenance needs.
It is best for individuals who value sporty handling and distinctive styling. A pre-purchase inspection by a qualified mechanic is crucial to identify potential issues.
Look for well-maintained examples with comprehensive service records. Both the 2.5i and 3.0i offer enjoyable performance, but the 3.0i provides a noticeable power bump. Avoid neglected examples, as deferred maintenance can quickly escalate costs. If you are comfortable performing DIY maintenance it will help offset the higher cost of BMW repairs.
It is best for individuals who value sporty handling and distinctive styling. A pre-purchase inspection by a qualified mechanic is crucial to identify potential issues.
Look for well-maintained examples with comprehensive service records. Both the 2.5i and 3.0i offer enjoyable performance, but the 3.0i provides a noticeable power bump. Avoid neglected examples, as deferred maintenance can quickly escalate costs. If you are comfortable performing DIY maintenance it will help offset the higher cost of BMW 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.