2019 BMW 430i Gran Coupe

The 2019 BMW 430i Gran Coupe is a stylish and sporty four-door coupe known for its sleek design and agile handling. It’s a popular choice for drivers who want a car that’s both fun to drive and practical. The 430i comes standard with a 2.0-liter turbocharged four-cylinder engine that produces 248 horsepower and 258 lb-ft of torque, paired with an 8-speed automatic transmission. While owners appreciate the car’s aesthetics, driving dynamics, and technology, some common complaints include electrical glitches, issues with the infotainment system, and occasional mechanical problems.

Engine

2.0L Turbocharged Inline-4 (B48)

• Coolant Leaks from Plastic Components
  • Description/Symptoms: Coolant leaks originating from various plastic components in the cooling system, such as the thermostat housing, coolant flange, or expansion tank. Symptoms include low coolant levels, overheating, and visible coolant puddles under the car.
  • Solution: Replacement of the faulty plastic components with updated or redesigned parts, often made from more durable materials.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Oil Filter Housing Leaks
  • Description/Symptoms: Oil leaks emanating from the oil filter housing gasket. The leak can drip onto other components, causing a burning smell.
  • Solution: Replacement of the oil filter housing gasket.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: Premature wear or stretching of the timing chain. Symptoms can include a rattling noise on startup, engine misfires, and potential engine damage if left unaddressed.
  • Solution: Replacement of the timing chain, guides, and tensioner.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting or Hesitation
  • Description/Symptoms: Occasional rough shifting, hesitation, or delayed engagement, particularly when shifting between lower gears.
  • Solution: Software update of the transmission control unit (TCU). In some cases, a transmission fluid flush and filter replacement may be necessary. In severe cases, valve body replacement or transmission rebuild may be required.
  • Estimated Cost to Fix: $200 (software update) - $5,000+ (rebuild)
  • Recalls: None Found

Suspension

No Issues Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: The iDrive infotainment system may experience glitches, freezes, or unresponsive behavior.
  • Solution: Software update. In more extreme cases, the iDrive module may need to be replaced.
  • Estimated Cost to Fix: $100 - $1,500+
  • Recalls: None Found
• Sensor Failures (Parking Sensors, etc.)
  • Description/Symptoms: Parking sensors failing to operate correctly, or displaying false positives/negatives.
  • Solution: Replacement of faulty sensors.
  • Estimated Cost to Fix: $200 - $500+ per sensor
  • Recalls: None Found

Exterior

• Door Handle Issues (Comfort Access)
  • Description/Symptoms: Door handles with Comfort Access (keyless entry/locking) failing to consistently lock/unlock the vehicle.
  • Solution: Replacement of the faulty door handle.
  • Estimated Cost to Fix: $400 - $800+ per handle
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may get stuck open or closed and cause clicking noises.
  • Solution: Clean/replace track and motor
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found

Summary

The 2019 BMW 430i Gran Coupe, while generally reliable and enjoyable to drive, exhibits some common issues. The engine may be prone to coolant leaks and timing chain issues, while the transmission can suffer from rough shifting. Electrical problems with the iDrive system and sensor failures are also reported. Exterior door handles may also need to be replaced. The severity and cost of these issues can vary, with some requiring minor fixes while others necessitate more extensive and expensive repairs. Potential buyers should be aware of these potential problems and consider a pre-purchase inspection by a qualified mechanic.