2007 BMW Z4

The 2007 BMW Z4 is a sporty two-seater roadster that offers a blend of performance and style. Engine options included a 2.5L inline-6 producing 174 horsepower and 170 lb-ft of torque, a 3.0L inline-6 generating 215 horsepower and 185 lb-ft of torque, and a higher-performance 3.0si inline-6 making 255 horsepower and 220 lb-ft of torque. Transmission choices consisted of a 6-speed manual, a 5-speed automatic (2.5L only), and a 6-speed automatic. People appreciate the Z4’s sharp handling, distinctive styling, and open-top driving experience. Common dislikes include the firm ride, limited interior space, and potential for costly repairs associated with BMWs.

Engine

2.5L Inline-6

• Oil Filter Housing Gasket Leak
  • Description/Symptoms: Oil leak from the oil filter housing, often dripping onto the exhaust manifold causing a burning smell. Visible oil around the housing.
  • Solution: Replacement of the oil filter housing gasket.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

3.0L Inline-6 (including 3.0si)

• Valve Cover Gasket Leak
  • Description/Symptoms: Oil leak from the valve cover, often dripping onto the exhaust manifold causing a burning smell. Visible oil around the valve cover.
  • Solution: Replacement of the valve cover gasket.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found
• VANOS System Issues
  • Description/Symptoms: Engine hesitation, rough idle, loss of power, and a check engine light. Related to the variable valve timing system.
  • Solution: Replacement of VANOS seals, solenoids, or the entire VANOS unit.
  • Estimated Cost to Fix: $300 - $1500+
  • Recalls: None Found

Transmission

6-Speed Manual (all engines)

• Clutch Failure
  • Description/Symptoms: Clutch slippage, difficulty shifting, and a high or soft clutch pedal.
  • Solution: Clutch replacement (including pressure plate and throw-out bearing).
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

6-Speed Automatic (3.0L Inline 6 Only)

• Slipping/Harsh Shifting
  • Description/Symptoms: Transmission slipping between gears, harsh or delayed shifts, and potentially a “transmission malfunction” warning.
  • Solution: Could range from a fluid change and filter replacement to a valve body repair or complete transmission rebuild/replacement.
  • Estimated Cost to Fix: $300 (fluid change) - $4000+ (rebuild/replacement)
  • Recalls: None Found

Suspension

• Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the front suspension, especially when going over bumps. Loose or vague steering feel.
  • Solution: Replacement of worn control arm bushings or entire control arms.
  • Estimated Cost to Fix: $200 - $800+ per side
  • Recalls: None Found
• Strut Mount Failure
  • Description/Symptoms: Squeaking or groaning noises from the suspension, especially when turning the steering wheel.
  • Solution: Replacement of the strut mounts.
  • Estimated Cost to Fix: $300 - $600+ per side
  • Recalls: None Found

Electrical

• Window Regulator Failure
  • Description/Symptoms: Window failing to operate correctly, making grinding noises, or falling into the door.
  • Solution: Replacement of the window regulator.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found
• Convertible Top Motor Failure
  • Description/Symptoms: Convertible top failing to operate or operating intermittently. Grinding noises during operation.
  • Solution: Replacement of the convertible top motor.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Exterior

• Convertible Top Leaks
  • Description/Symptoms: Water leaks around the edges of the convertible top, especially during heavy rain.
  • Solution: Replacement of convertible top seals or adjustment/replacement of the top mechanism.
  • Estimated Cost to Fix: $100 - $1000+
  • Recalls: None Found

Interior

• No Issues Found

Summary

The 2007 BMW Z4 is a generally reliable sports car, but it is prone to certain issues typical of BMWs of this era. Engine oil leaks (valve cover, oil filter housing), VANOS system problems, suspension component wear, and electrical issues with the windows and convertible top are the most frequently reported problems. Repair costs can range from a few hundred dollars for minor fixes to several thousand dollars for more extensive engine or transmission work. As with any older European car, preventative maintenance is essential to minimize potential issues and ensure a long lifespan.