2023 BMW M850i xDrive Gran Coupe

The 2023 BMW M850i xDrive Gran Coupe is a high-performance luxury sedan powered by a potent 4.4-liter twin-turbocharged V8 engine that produces 523 horsepower and 553 lb-ft of torque. It comes standard with an 8-speed automatic transmission and all-wheel drive. The M850i is known for its aggressive styling, spacious interior, and thrilling driving experience. However, like any vehicle, it is not without its fair share of potential issues.

Engine

• 4.4L Twin-Turbocharged V8

  • Premature Turbocharger Failure: Symptoms include reduced engine power, excessive smoke from the exhaust, and a rattling noise. Solution involves replacing the affected turbocharger. Estimated Cost to Fix: $2,000 - $4,000+
  • Fuel Pump Failure: Symptoms include difficulty starting the engine, stalling, and reduced fuel economy. Solution involves replacing the faulty fuel pump. Estimated Cost to Fix: $800 - $1,200
  • Timing Chain Stretch: Symptoms include a rattling noise from the engine, rough idling, and reduced engine performance. Solution involves replacing the stretched timing chain. Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: NHTSA Campaign Number: 22V528000
    • Issue: Fuel pump may fail, causing engine stalling
    • Solution: Replace fuel pump and fuel tank sending unit

Transmission

• 8-Speed Automatic

  • Shifting Issues: Symptoms include rough or delayed gear changes, slipping gears, and a loss of power. Solution may involve reprogramming the transmission control module or replacing the transmission. Estimated Cost to Fix: $500 - $2,000+
  • Torque Converter Failure: Symptoms include shuddering or vibration during acceleration, overheating, and a loss of power. Solution involves replacing the torque converter. Estimated Cost to Fix: $1,500 - $2,500+

Suspension

• No Issues Found

Electrical

• Battery Drain: Symptoms include a dead battery after extended periods of inactivity. Solution involves identifying and fixing the source of the drain. Estimated Cost to Fix: $100 - $500+
• Electrical Short: Symptoms may vary depending on the affected circuit but can include flickering lights, power window issues, and dashboard malfunctions. Solution involves repairing or replacing damaged electrical components. Estimated Cost to Fix: $200 - $1,000+
• Recalls: NHTSA Campaign Number: 22V730000 * Issue: Electrical short in steering column may cause airbag deployment * Solution: Replace steering column

Exterior

• No Issues Found

Interior

• Dashboard Rattle: Symptoms include a rattling or buzzing noise from the dashboard area. Solution involves identifying and securing any loose components. Estimated Cost to Fix: $50 - $200
• Infotainment System Issues: Symptoms may include touchscreen freezing or unresponsiveness, navigation errors, and audio glitches. Solution may involve software updates or hardware repairs. Estimated Cost to Fix: $0 - $1,000+

Summary

The 2023 BMW M850i xDrive Gran Coupe is a powerful and luxurious vehicle with a few potential issues to consider. The most significant concerns are related to the engine, particularly premature turbocharger failure. Other issues, such as shifting problems, electrical shorts, and interior rattles, are less common but still worth noting. Overall, the cost to fix these issues can vary widely depending on the severity of the problem and the specific parts involved. It’s important to have any potential issues addressed promptly to prevent further damage and ensure the vehicle’s reliability.