2020 BMW Z4
Introduction
The 2020 BMW Z4 is a two-door convertible with a retractable hardtop. It is available with a 2.0-liter turbocharged four-cylinder engine that produces 255 horsepower and 295 lb-ft of torque, or a 3.0-liter turbocharged inline-six engine that produces 382 horsepower and 369 lb-ft of torque. The four-cylinder engine is paired with a six-speed manual or eight-speed automatic transmission, while the six-cylinder engine is paired with an eight-speed automatic transmission.
The Z4 has been praised for its handling, performance, and stylish design. However, some owners have reported issues with the vehicle’s engine, transmission, suspension, electrical system, and interior.
Engine
- 2.0-liter Turbocharged Four-Cylinder
- Intake Valve Deposits
- Description/Symptoms: Carbon buildup on the intake valves can cause a loss of power, rough idling, and increased fuel consumption.
- Solution: Cleaning the intake valves can resolve the issue.
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
- Turbocharger Failure
- Description/Symptoms: The turbocharger can fail due to a faulty wastegate or other internal components. This can lead to a loss of power and increased exhaust smoke.
- Solution: Replacing the turbocharger is necessary.
- Estimated Cost to Fix: $2,000 - $3,000+
- Recalls: None Found
- Intake Valve Deposits
- 3.0-liter Turbocharged Inline-Six
- High-Pressure Fuel Pump Failure
- Description/Symptoms: The high-pressure fuel pump can fail, causing a loss of power and engine stalling.
- Solution: Replacing the high-pressure fuel pump is necessary.
- Estimated Cost to Fix: $1,000 - $2,000
- Recalls: None Found
- High-Pressure Fuel Pump Failure
Transmission
- Six-Speed Manual
- Clutch Slipping
- Description/Symptoms: The clutch can slip, causing a loss of power and difficulty shifting gears.
- Solution: Replacing the clutch is necessary.
- Estimated Cost to Fix: $1,200 - $2,000
- Recalls: None Found
- Clutch Slipping
- Eight-Speed Automatic
- Shifting Delays
- Description/Symptoms: The transmission may experience delays when shifting gears.
- Solution: Updating the transmission software can resolve the issue.
- Estimated Cost to Fix: $100 - $500
- Recalls: None Found
- Transmission Fluid Leaks
- Description/Symptoms: The transmission may leak fluid due to a faulty seal or gasket.
- Solution: Replacing the seal or gasket and adding transmission fluid can resolve the issue.
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
- Shifting Delays
Suspension
- Adaptive Suspension
- Coil Spring Breakage
- Description/Symptoms: The coil springs in the adaptive suspension can break, causing a loss of ride height and handling.
- Solution: Replacing the coil springs is necessary.
- Estimated Cost to Fix: $500 - $1,000
- Recalls: None Found
- Coil Spring Breakage
Electrical
- Battery Discharge
- Description/Symptoms: The battery can discharge prematurely, causing the vehicle to not start.
- Solution: Diagnosing and repairing the underlying cause of the discharge, such as a faulty electrical component or a parasitic draw, may be necessary.
- Estimated Cost to Fix: Varies depending on the underlying cause
- Recalls: None Found
- Description/Symptoms: The battery can discharge prematurely, causing the vehicle to not start.
- Headlight Malfunction
- Description/Symptoms: The headlights may experience flickering or complete failure due to a faulty control module or wiring harness.
- Solution: Replacing the control module or repairing the wiring harness may be necessary.
- Estimated Cost to Fix: $300 - $800
- Recalls: NHTSA Campaign Number: 20V615000
- Description/Symptoms: The headlights may experience flickering or complete failure due to a faulty control module or wiring harness.
Exterior
- Hardtop Rattle
- Description/Symptoms: The retractable hardtop may rattle or vibrate due to loose or worn components.
- Solution: Adjusting or replacing the components causing the noise may be necessary.
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
- Description/Symptoms: The retractable hardtop may rattle or vibrate due to loose or worn components.
Interior
- Door Panel Trim Detachment
- Description/Symptoms: The trim on the door panels may detach or fall off due to faulty clips or adhesives.
- Solution: Reattaching or replacing the trim is necessary.
- Estimated Cost to Fix: $100 - $300
- Recalls: None Found
- Description/Symptoms: The trim on the door panels may detach or fall off due to faulty clips or adhesives.
- Infotainment System Lag
- Description/Symptoms: The infotainment system may experience lag, freezing, or other performance issues.
- Solution: Updating the software or replacing the infotainment system may be necessary.
- Estimated Cost to Fix: $500 - $1,000
- Recalls: None Found
- Description/Symptoms: The infotainment system may experience lag, freezing, or other performance issues.
Summary
The 2020 BMW Z4 is a popular sports car that has been praised for its handling, performance, and stylish design. However, some owners have reported issues with the vehicle’s engine, transmission, suspension, electrical system, and interior. The severity and cost of the issues vary depending on the specific problem. It’s important to note that these issues may not be widespread, and some vehicles may be unaffected.