2024 BMW M850i xDrive Gran Coupe

The 2024 BMW M850i xDrive Gran Coupe is a luxury performance sedan that blends sleek styling with potent power. It is primarily offered with a 4.4-liter TwinPower Turbo V8 engine, producing 523 horsepower and 553 lb-ft of torque. The engine is mated exclusively to an 8-speed automatic transmission. While owners appreciate its impressive acceleration, luxurious interior, and comfortable ride, some common complaints include a high price tag, complex infotainment system, and potential reliability concerns.

Engine

4.4L TwinPower Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks may occur from the valve cover gaskets or the oil pan gasket. Symptoms include visible oil drips under the car, a burning oil smell, and low oil levels.
  • Solution: Replacing the faulty gasket(s) is required.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks could originate from the water pump or coolant hoses. This leads to low coolant levels and potential overheating.
  • Solution: Repair or replace the faulty components (water pump, hoses, or associated seals).
  • Estimated Cost to Fix: $400 - $1200+
  • Recalls: None Found

Transmission

8-Speed Automatic

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing rough or delayed shifting, particularly during low-speed maneuvers or when downshifting.
  • Solution: In some cases, a software update may resolve the issue. If the problem persists, valve body replacement or complete transmission overhaul could be necessary.
  • Estimated Cost to Fix: $300 (software update) - $5000+ (transmission replacement)
  • Recalls: None Found

Suspension

• Adaptive Suspension Malfunctions
  • Description/Symptoms: The adaptive suspension, while enhancing ride comfort and handling, can sometimes experience malfunctions. This may result in uneven ride height, error messages on the dashboard, or a noticeably harsher ride.
  • Solution: Diagnosis and replacement of faulty struts, sensors, or control modules may be required.
  • Estimated Cost to Fix: $800 - $2500+ per strut
  • Recalls: None Found

Electrical

• iDrive System Glitches
  • Description/Symptoms: The iDrive infotainment system, while feature-rich, can experience software glitches, including freezing, slow response times, and connectivity issues with mobile devices.
  • Solution: Software updates can often address these issues. In more severe cases, the iDrive control unit may need to be replaced.
  • Estimated Cost to Fix: $0 (software update) - $1500+ (control unit replacement)
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors, such as those for the parking assist system or driver assistance features, can fail, leading to error messages or non-functional features.
  • Solution: Diagnosis and replacement of the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ per sensor
  • Recalls: None Found

Exterior

• Automatic Trunk Issues
  • Description/Symptoms: The automatic trunk can sometimes malfunction, failing to open or close properly, or getting stuck mid-operation.
  • Solution: Replacement of the hydraulic struts, motor, or latch mechanism.
  • Estimated Cost to Fix: $400 - $1200+
  • Recalls: None Found

Interior

• Seat Motor Malfunctions
  • Description/Symptoms: The power seat motors can sometimes fail, resulting in the inability to adjust the seat position.
  • Solution: Replacement of the faulty seat motor or the entire seat assembly.
  • Estimated Cost to Fix: $300 - $1500+
  • Recalls: None Found

Summary

The 2024 BMW M850i xDrive Gran Coupe, while offering a luxurious and high-performance driving experience, can be prone to some common issues. These issues range in severity and cost, from minor software glitches to more significant mechanical repairs. Engine oil and coolant leaks, transmission roughness, and electrical malfunctions seem to be the most prevalent concerns. While many issues can be resolved with software updates or relatively inexpensive repairs, others may necessitate more costly component replacements. Prospective buyers should be aware of these potential issues and factor them into their purchasing and maintenance considerations.