2016 BMW 120i

The 2016 BMW 120i is a sporty and efficient hatchback that’s part of the F20 generation. The model you’re asking about, the 120i, is typically equipped with a 1.6-liter turbocharged four-cylinder petrol engine (B48 engine) producing around 177 horsepower and 162 lb-ft of torque. Other engine options for the 2016 1 Series range included the 116i (less powerful petrol), 118i (another petrol option), 125i (more powerful petrol), and diesel variants like the 116d, 118d, and 120d. Transmission choices usually consist of a 6-speed manual or an 8-speed automatic. Owners generally appreciate the 120i for its nimble handling, fuel efficiency, and premium interior feel. Common dislikes include the relatively small rear passenger space and the potential for higher maintenance costs compared to non-luxury vehicles.

Engine

B48 2.0L Turbocharged Inline-4 (120i)

• Oil Leaks from Valve Cover Gasket
  • Description/Symptoms: Oil leaking onto the engine, burning oil smell, low oil level warning.
  • Solution: Replace the valve cover gasket.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found
• Coolant Leaks from Plastic Components
  • Description/Symptoms: Coolant leaking, low coolant level warning, overheating. Common areas include the thermostat housing and water pump.
  • Solution: Replace the leaking coolant components with upgraded aluminum parts where available.
  • Estimated Cost to Fix: $200 - $800+ depending on the component.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Jerky shifts, especially between 2nd and 3rd gear, hesitation during acceleration, transmission slipping.
  • Solution: Perform a transmission fluid flush and filter change. In more severe cases, valve body replacement or transmission replacement might be necessary.
  • Estimated Cost to Fix: $300 - $800 (fluid flush), $1500 - $4000+ (valve body/transmission replacement)
  • Recalls: None Found

Suspension

• Cracked Lower Control Arm Bushings
  • Description/Symptoms: Clunking noises from the front suspension, especially when going over bumps, vague steering.
  • Solution: Replace the lower control arm bushings. Sometimes, it’s easier and more cost-effective to replace the entire control arm.
  • Estimated Cost to Fix: $200 - $600+ per side
  • Recalls: None Found

Electrical

• Faulty Parking Sensors
  • Description/Symptoms: Parking sensors not working, false alarms, error messages on the iDrive display.
  • Solution: Replace the faulty parking sensor(s).
  • Estimated Cost to Fix: $150 - $400+ per sensor.
  • Recalls: None Found
• iDrive System Glitches
  • Description/Symptoms: System freezing, random reboots, navigation issues, Bluetooth connectivity problems.
  • Solution: Software update may resolve some issues. Hardware failure may require replacement of the iDrive unit.
  • Estimated Cost to Fix: $0 (Software Update) - $1000+ (Unit Replacement)
  • Recalls: None Found

Exterior

• Door Handle Issues
  • Description/Symptoms: Door handle sticks, difficult to open or close.
  • Solution: Clean and lubricate the handle mechanism. Replacement might be needed in severe cases.
  • Estimated Cost to Fix: $50 - $300+
  • Recalls: None Found

Interior

• Rattling Noises
  • Description/Symptoms: Rattling from dashboard or door panels, especially on rough roads.
  • Solution: Identify the source of the rattle and secure the loose components. Often, this requires removing and reinstalling panels.
  • Estimated Cost to Fix: $50 - $500+ depending on the severity.
  • Recalls: None Found

Summary:

The 2016 BMW 120i, while a well-regarded vehicle, has its share of common issues. Engine oil and coolant leaks, particularly from plastic parts, are concerns. The 8-speed automatic transmission can exhibit rough shifting. Suspension components, especially the lower control arm bushings, are prone to wear. Electrical problems, such as faulty parking sensors and iDrive glitches, can also occur. While some fixes are relatively inexpensive, others, such as transmission or iDrive unit replacements, can be costly. Potential buyers should be aware of these potential issues and budget accordingly or prioritize a thorough pre-purchase inspection.