2020 BMW M850i xDrive Gran Coupe

The 2020 BMW M850i xDrive Gran Coupe is a stunning four-door coupe known for its luxurious interior, powerful performance, and elegant design. The heart of this machine is a 4.4-liter TwinPower Turbo V8 engine producing 523 horsepower and 553 lb-ft of torque. This engine is paired with an 8-speed automatic transmission. Some owners rave about the vehicle’s comfortable ride and engaging driving dynamics, while others have voiced concerns about the complexity of the infotainment system and the potential for costly repairs. This information is based on known issues and complaints, however, I am unable to access real-time, owner-reported data.

Engine

4.4L TwinPower Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can develop from various seals and gaskets on the engine, most commonly around the valve cover gaskets, oil pan gasket, or turbocharger oil lines. Symptoms include visible oil drips under the car, a burning oil smell, and potentially low oil levels indicated by the warning light.
  • Solution: Replacing the faulty gaskets or seals is required. In some cases, resealing components may be sufficient.
  • Estimated Cost to Fix: $500 - $2,500+ depending on the location and severity of the leak.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks can occur from the radiator, hoses, water pump, or expansion tank. Symptoms include low coolant levels, overheating, and visible coolant puddles under the car.
  • Solution: Identify and replace the leaking component.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Transmission

8-Speed Automatic

• Harsh Shifting/Hesitation
  • Description/Symptoms: Some owners have reported rough or jerky shifting, especially during low-speed acceleration or deceleration. Hesitation when shifting between gears has also been noted.
  • Solution: In some cases, a software update can resolve the issue. In other cases, a transmission service (fluid and filter change) may be necessary. In more severe cases, valve body replacement might be required.
  • Estimated Cost to Fix: $200 (software update) - $3,000+ (valve body replacement)
  • Recalls: None Found

Suspension

• Air Suspension Issues
  • Description/Symptoms: The air suspension system can experience issues, particularly in cold weather. Symptoms include the vehicle not leveling properly, sagging on one side, or the air compressor failing.
  • Solution: Diagnosis of the specific component failure is necessary (air strut, compressor, or sensor). Replacement of the faulty component is then required.
  • Estimated Cost to Fix: $1,000 - $3,000+ per strut, $800 - $1,500+ for the compressor.
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: The iDrive infotainment system can experience glitches, including freezing, lagging, or unexpected reboots. Connectivity issues with Apple CarPlay or Android Auto have also been reported.
  • Solution: Software updates are often released to address these issues. If the problem persists, a system reset or replacement of the iDrive unit may be necessary.
  • Estimated Cost to Fix: $0 (software update) - $1,500+ (iDrive unit replacement)
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Various sensors, such as those for the parking sensors, blind-spot monitoring, or adaptive cruise control, can malfunction. This can result in warning lights or error messages and the system not functioning correctly.
  • Solution: Diagnose the specific sensor that is failing and replace it.
  • Estimated Cost to Fix: $200 - $800+ per sensor.
  • Recalls: None Found

Exterior

• Adaptive Headlight Malfunctions
  • Description/Symptoms: Adaptive headlights can fail to adjust properly or display error messages.
  • Solution: Replacing the headlight assembly or the adaptive headlight module is necessary.
  • Estimated Cost to Fix: $1,000 - $3,000+ per headlight assembly.
  • Recalls: None Found

Interior

• Seat Motor Issues
  • Description/Symptoms: The electric seat motors can fail, preventing the seats from adjusting properly.
  • Solution: Replacing the faulty seat motor or the entire seat assembly may be necessary.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Summary

The 2020 BMW M850i xDrive Gran Coupe is a high-performance luxury vehicle that can experience a range of issues. The engine and transmission can suffer from oil leaks and harsh shifting. The air suspension system can have leveling issues in cold weather. Electrical issues such as infotainment glitches and sensor malfunctions are also common. Repair costs can vary widely depending on the specific issue and the parts required, ranging from a few hundred dollars for software updates to several thousand dollars for major component replacements. While some issues are relatively minor, others can be more serious and costly to repair.