2019 BMW 640i Gran Coupe

The 2019 BMW 640i Gran Coupe is a stylish and luxurious four-door coupe that offers a blend of performance and comfort. The 640i comes standard with a 3.0-liter turbocharged inline-six engine producing 315 horsepower and 330 lb-ft of torque. While some owners praise the car for its sleek design, comfortable ride, and powerful engine, others have expressed concerns about reliability and maintenance costs. The 640i is available with an eight-speed automatic transmission. Some common complaints include electrical glitches, suspension issues, and concerns about the reliability of certain engine components.

Engine

3.0L Turbocharged Inline-Six (B58)

• Oil Filter Housing/Cooler Gasket Leak
  • Description/Symptoms: Oil leak near the top front of the engine. Can cause a burning smell.
  • Solution: Replace the oil filter housing and cooler gasket.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant levels dropping faster than normal, overheating issues, or visible coolant leaks. This can be due to failing hoses, water pump or expansion tank.
  • Solution: Replacing the leaking component (hose, water pump, or expansion tank)
  • Estimated Cost to Fix: $200 - $1000+ depending on the component
  • Recalls: None Found

Transmission

ZF 8HP Automatic Transmission

• Rough or Delayed Shifts
  • Description/Symptoms: Hesitation when shifting between gears, especially at lower speeds. Can be accompanied by a clunking noise.
  • Solution: Software updates can sometimes resolve the issue. If that doesn’t work, valve body replacement or transmission replacement may be necessary.
  • Estimated Cost to Fix: $300 (software update) - $5,000+ (transmission replacement)
  • Recalls: None Found

Suspension

• Air Suspension Issues (If Equipped)
  • Description/Symptoms: Vehicle sitting unevenly, compressor not working, error messages on the iDrive system.
  • Solution: Replace air struts, compressor, or ride height sensors.
  • Estimated Cost to Fix: $800 - $2500+ per corner
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: Screen freezing, system rebooting, loss of functionality.
  • Solution: Software update, or iDrive control unit replacement.
  • Estimated Cost to Fix: $150 - $1500+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Car struggling to start, requiring frequent jumps, or throwing low voltage warnings. Can be caused by parasitic drain from various modules.
  • Solution: Diagnosing parasitic drain and replacing faulty module or battery.
  • Estimated Cost to Fix: $200 - $1000+
  • Recalls: None Found

Exterior

• Door Handle Issues (Comfort Access)
  • Description/Symptoms: Door handle not responding to touch, preventing entry or locking of the vehicle.
  • Solution: Replacing the faulty door handle mechanism.
  • Estimated Cost to Fix: $500 - $1000+ per handle
  • Recalls: None Found

Interior

• Seat Adjustment Problems
  • Description/Symptoms: Seat not moving or adjusting properly due to faulty motors or switches.
  • Solution: Replacing the seat motor or switch.
  • Estimated Cost to Fix: $300 - $800+ per seat
  • Recalls: None Found

Summary

The 2019 BMW 640i Gran Coupe, while stylish and performant, has several potential issues to watch out for. Engine leaks, transmission issues, and electrical gremlins are the most common areas of concern. Repair costs can range from a few hundred dollars for minor fixes to several thousand for major component replacements. Potential buyers should thoroughly inspect the vehicle and obtain a pre-purchase inspection from a qualified mechanic specializing in BMWs. Air suspension, if equipped, adds another layer of potential issues and costs.