2017 BMW 440i

Introduction: The 2017 BMW 440i is a high-performance luxury coupe powered by a 3.0-liter turbocharged inline-6 engine. It produces 320 horsepower and 330 lb-ft of torque, paired with an 8-speed automatic transmission. The 440i is known for its sleek design, agile handling, and impressive performance. However, it has also faced some reliability concerns.

Engine

• Timing Chain Tensioner Failure
  • Description/Symptoms: The timing chain tensioner can fail, causing the timing chain to jump or break, leading to catastrophic engine damage.
  • Solution: Replacing the timing chain tensioner, timing chain, and associated components.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found
• Fuel Injector Failure
  • Description/Symptoms: Fuel injectors can malfunction, leading to misfires, reduced power, and poor fuel economy.
  • Solution: Replacing the faulty fuel injectors.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Transmission

• 8-Speed Automatic Transmission Jerking
  • Description/Symptoms: The 8-speed automatic transmission can experience jerking or hesitation during shifting.
  • Solution: Updating the transmission software or replacing the valve body.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Electrical Harness Malfunction
  • Description/Symptoms: Electrical harnesses can experience shorts or open circuits, causing various electrical issues such as flickering lights, power window malfunctions, and engine problems.
  • Solution: Repairing or replacing the faulty electrical harness.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Infotainment System Glitches
  • Description/Symptoms: The iDrive infotainment system can experience software glitches, leading to frozen screens, unresponsive touch controls, and audio issues.
  • Solution: Updating the iDrive software or replacing the system.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Summary: The 2017 BMW 440i offers impressive performance and luxury, but it has faced some reliability concerns. Issues with the timing chain tensioner, fuel injectors, transmission, electrical harness, and infotainment system can be costly to repair. While not all vehicles will experience these problems, it is important to be aware of these potential issues before purchasing or owning a 440i.