2017 BMW 330i xDrive

The 2017 BMW 330i xDrive is a popular luxury sedan known for its blend of sporty handling, comfortable ride, and upscale features. The 330i xDrive is equipped with a 2.0-liter turbocharged four-cylinder engine producing 248 horsepower and 258 lb-ft of torque. While many owners appreciate the car’s performance, fuel efficiency, and overall driving experience, there are some common issues reported by owners. Some of the complaints involve reliability issues, maintenance costs, and certain electrical gremlins. Other engine options available in the 3 Series for 2017 include a 320i model and a 340i model with a more powerful 3.0-liter turbocharged inline-six engine. A 330e plug-in hybrid variant was also available. All models come standard with an 8-speed automatic transmission.

Engine

B48 2.0L Turbocharged Inline-4

• Oil Leaks
  • Description/Symptoms: Oil leaks are reported from various engine seals and gaskets, including the valve cover gasket and the oil filter housing gasket. Symptoms include visible oil leaks, burning oil smell, and low oil levels.
  • Solution: Replacing the faulty gasket or seal is the standard fix.
  • Estimated Cost to Fix: $200 - $800+ depending on the location and complexity of the repair.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks are reported from the plastic coolant hoses and expansion tank. Symptoms include low coolant levels, overheating, and visible coolant leaks.
  • Solution: Replacing the damaged coolant hoses or expansion tank.
  • Estimated Cost to Fix: $150 - $600+
  • Recalls: None Found

Transmission

ZF 8HP 8-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Some owners have reported harsh or jerky shifting, especially during low-speed acceleration or deceleration.
  • Solution: A software update, transmission fluid flush, or in severe cases, valve body replacement might be needed.
  • Estimated Cost to Fix: $100 (software update) - $2000+ (valve body replacement)
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery Drain
  • Description/Symptoms: Excessive battery drain can cause the car to have trouble starting, especially after sitting for a few days. This can be due to a faulty sensor or other electronic module staying active when the car is turned off.
  • Solution: Diagnosing and replacing the faulty component, or performing a software update if applicable.
  • Estimated Cost to Fix: $100 - $1000+ depending on the cause
  • Recalls: None Found
• iDrive System Issues
  • Description/Symptoms: Some owners have reported issues with the iDrive infotainment system, including freezing, slow response times, and glitches.
  • Solution: Software updates are typically the first step. In more severe cases, the iDrive control unit may need replacement.
  • Estimated Cost to Fix: $0 (software update) - $1500+ (iDrive unit replacement)
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Seat Occupancy Sensor Malfunction
  • Description/Symptoms: Malfunction of the seat occupancy sensor which is part of the airbag system. It will cause the airbag light to come on in the dash, and prevent airbags from deploying.
  • Solution: Replacement of the seat occupancy sensor.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Summary:

The 2017 BMW 330i xDrive is a generally reliable vehicle but is not without its issues. The most common issues relate to the engine, specifically oil and coolant leaks, and the transmission, with some owners experiencing harsh shifting. Electrical problems, such as battery drain and iDrive issues, can also occur. The severity of these issues ranges from minor inconveniences to more costly repairs. The cost to address these issues can vary significantly, with some fixes being relatively inexpensive while others can require a significant investment. Addressing any reported issues promptly can help prevent further damage and maintain the vehicle’s performance and reliability.