2019 BMW 420i Gran Coupe

The 2019 BMW 420i Gran Coupe is a stylish and practical four-door coupe known for its sleek design and engaging driving dynamics. The 420i is powered by a 2.0-liter turbocharged four-cylinder engine producing around 180 horsepower and 200 lb-ft of torque. Other engine options available for the 2019 4 Series Gran Coupe include more powerful versions of the 2.0-liter turbo-four (430i) and a 3.0-liter turbocharged inline-six (440i). All engine options are available with an 8-speed automatic transmission. Owners often praise the 420i Gran Coupe for its attractive styling, comfortable interior, and balanced handling. Common dislikes include its somewhat cramped rear seats, higher price point compared to similar vehicles, and potentially expensive maintenance costs.

Engine

2.0L Turbocharged Inline-4 (B48)

• Oil Leaks from Oil Filter Housing
  • Description/Symptoms: Oil leaks are common on the B48 engine from the oil filter housing gasket. This can result in a visible oil leak, a burning oil smell, and low engine oil levels.
  • Solution: Replace the oil filter housing gasket.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found
• Coolant Leaks from Plastic Components
  • Description/Symptoms: Coolant leaks may occur from plastic coolant hoses or the coolant expansion tank. The symptoms include low coolant levels, overheating, and visible coolant leaks.
  • Solution: Replace the faulty plastic components with updated or aluminum parts.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing rough or delayed shifts, particularly when the transmission is cold. This can manifest as a noticeable clunk or hesitation during gear changes.
  • Solution: A software update or transmission fluid flush may resolve the issue. In more severe cases, valve body replacement may be required.
  • Estimated Cost to Fix: $200 (fluid flush) - $1,500+ (valve body)
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Infotainment System Issues (iDrive)
  • Description/Symptoms: The iDrive system can experience glitches, freezing, or slow response times. Connectivity issues with Bluetooth or Apple CarPlay may also occur.
  • Solution: Try a software update. If the problem persists, the iDrive module may need to be replaced.
  • Estimated Cost to Fix: $100 - $1000+
  • Recalls: None Found
• Faulty Door Lock Actuators
  • Description/Symptoms: Intermittent failure of the door lock actuators, resulting in doors not locking or unlocking properly.
  • Solution: Replace the faulty door lock actuator.
  • Estimated Cost to Fix: $200-$400+ per door
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Creaking/Rattling from Dashboard or Trim Pieces
  • Description/Symptoms: Annoying creaking or rattling noises can emanate from the dashboard or trim panels, especially on rough roads.
  • Solution: Locating and securing the loose trim pieces, potentially with felt tape or specialized adhesive.
  • Estimated Cost to Fix: $100 - $300+ (depending on complexity)
  • Recalls: None Found

Summary

The 2019 BMW 420i Gran Coupe presents a mix of minor and potentially more costly issues. The most common concerns revolve around oil and coolant leaks from the engine, possible rough shifting in the transmission, and electrical glitches. While the infotainment issues and interior noises are generally minor, engine and transmission repairs can be more expensive. Owners should be aware of these potential problems and prioritize preventative maintenance to minimize the risk of costly repairs.