2004 BMW Z4
2004 BMW Z4
The 2004 BMW Z4 is a two-door, two-seater roadster that was available with three engine options: a 2.5-liter inline-six, a 3.0-liter inline-six, and a 3.2-liter inline-six. The 2.5-liter engine produces 184 horsepower and 175 lb-ft of torque, the 3.0-liter engine produces 225 horsepower and 214 lb-ft of torque, and the 3.2-liter engine produces 255 horsepower and 222 lb-ft of torque. All three engines are paired with a five-speed manual transmission or a five-speed automatic transmission.
The Z4 is known for its sporty handling and responsive steering. It is also praised for its comfortable interior and its stylish exterior. However, there are a number of issues that have been reported with the Z4, including:
Engine
2.5-liter Inline-Six
- Intake Valve Deposits: Carbon deposits can build up on the intake valves, which can cause a loss of power and fuel economy.
- Solution: The intake valves must be cleaned.
- Estimated Cost to Fix: $500 - $1,000
- Crankshaft Position Sensor Failure: The crankshaft position sensor can fail, which can cause the engine to stall or run erratically.
- Solution: The crankshaft position sensor must be replaced.
- Estimated Cost to Fix: $200 - $400
- Oil Leaks: The valve cover gasket and oil pan gasket can leak oil.
- Solution: The leaking gasket must be replaced.
- Estimated Cost to Fix: $200 - $500
3.0-liter Inline-Six
- No Issues Found
3.2-liter Inline-Six
- VANOS System Failure: The VANOS system can fail, which can cause a loss of power and fuel economy.
- Solution: The VANOS system must be repaired or replaced.
- Estimated Cost to Fix: $1,000 - $2,000
Transmission
Five-Speed Manual Transmission
- No Issues Found
Five-Speed Automatic Transmission
- Transmission Fluid Leaks: The transmission fluid lines or seals can leak fluid, which can cause the transmission to slip or shudder.
- Solution: The leaking fluid lines or seals must be replaced.
- Estimated Cost to Fix: $200 - $500
Suspension
- Front Suspension Control Arm Bushings: The front suspension control arm bushings can wear out, which can cause a clunking noise when driving over bumps.
- Solution: The control arm bushings must be replaced.
- Estimated Cost to Fix: $300 - $500
- Rear Suspension Shock Absorbers: The rear suspension shock absorbers can wear out, which can cause the rear of the vehicle to bounce or sag.
- Solution: The shock absorbers must be replaced.
- Estimated Cost to Fix: $400 - $800
Electrical
- Battery Drain: The battery can drain prematurely, which can prevent the vehicle from starting.
- Solution: The cause of the battery drain must be identified and repaired.
- Estimated Cost to Fix: $100 - $500
- Electrical System Malfunctions: The electrical system can malfunction, which can cause a variety of problems, such as the loss of power to the headlights or the dashboard.
- Solution: The cause of the electrical system malfunction must be identified and repaired.
- Estimated Cost to Fix: $200 - $1,000
Exterior
- Convertible Top Problems: The convertible top can leak or become difficult to operate.
- Solution: The convertible top must be repaired or replaced.
- Estimated Cost to Fix: $500 - $2,000
- Paint Peeling: The paint on the Z4 can peel or chip, especially on the front bumper and hood.
- Solution: The damaged paint must be repaired or the vehicle must be repainted.
- Estimated Cost to Fix: $500 - $2,000
Interior
- Dashboard Rattle: The dashboard can rattle or squeak, especially when driving over rough roads.
- Solution: The cause of the rattle must be identified and repaired.
- Estimated Cost to Fix: $100 - $500
Summary
The 2004 BMW Z4 is a sporty and stylish roadster that is known for its handling and performance. However, there are a number of issues that have been reported with the Z4, including engine problems, transmission problems, suspension problems, electrical problems, and exterior problems. The severity of the issues can vary, and the cost to fix them can range from a few hundred dollars to several thousand dollars.