2017 BMW M6

The 2017 BMW M6 is a high-performance grand tourer coupe, convertible, and four-door coupe (Gran Coupe) known for its impressive power and luxurious features. It comes equipped with a 4.4-liter twin-turbocharged V8 engine producing 560 horsepower and 500 lb-ft of torque. An optional Competition Package increases the output to 600 horsepower and 516 lb-ft of torque. It is paired with a 7-speed dual-clutch transmission (DCT). Drivers often praise the M6 for its exhilarating acceleration, refined interior, and distinctive styling, while common criticisms include its relatively high price, firm ride, and complex electronics.

Engine

4.4L Twin-Turbocharged V8 (S63)

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various points, including the valve cover gaskets, oil filter housing, and oil pan. Symptoms include visible oil drips under the car, a burning oil smell, and low oil level warnings.
  • Solution: Replacing the leaking gaskets or seals is the common fix. In some cases, the entire oil filter housing or oil pan may need to be replaced if warped or damaged.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the source of the leak and the extent of the repair.
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Whining noises from the engine, reduced power, and smoke from the exhaust can indicate turbocharger failure.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Transmission (DCT)

• Rough Shifting/Jerky Engagement
  • Description/Symptoms: Some owners report rough shifting, especially during low-speed maneuvers and in automatic modes. This can manifest as jerking or hesitation during gear changes.
  • Solution: Software updates can sometimes alleviate the issue. In other cases, clutch replacement or mechatronic unit repair might be necessary.
  • Estimated Cost to Fix: $200 (software update) to $5,000+ (clutch/mechatronic unit)
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: The transmission can slip under heavy acceleration or when shifting gears.
  • Solution: Transmission replacement.
  • Estimated Cost to Fix: $8,000 - $10,000+
  • Recalls: None Found

Suspension

• Adaptive Suspension Malfunctions (EDC)
  • Description/Symptoms: Error messages related to the Electronic Damper Control (EDC) system, a noticeably harsher or bouncier ride, or uneven handling can indicate issues with the adaptive dampers.
  • Solution: Faulty dampers need replacement. The EDC module itself could also be the culprit in some cases.
  • Estimated Cost to Fix: $800 - $2,000+ per damper, plus labor. EDC module replacement can range from $500 - $1,500+.
  • Recalls: None Found

Electrical

• iDrive System Issues
  • Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, and slow response times.
  • Solution: Software updates, iDrive module replacement
  • Estimated Cost to Fix: $200 - $1,200
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Rapid battery drain, especially when the car is parked for extended periods. Can be caused by a faulty module not going to sleep, or an old or faulty battery.
  • Solution: Diagnosis to isolate the cause of the drain, followed by replacement of the faulty component or the battery.
  • Estimated Cost to Fix: $200 - $800
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• No Issues Found

Summary

The 2017 BMW M6, while a performance powerhouse, can present owners with a range of potential issues. Engine and transmission concerns, particularly oil leaks and DCT issues, are notable. Suspension problems, mainly related to the adaptive dampers, can also be costly to address. Electrical gremlins with the iDrive system and battery drain are also fairly common. The severity of these issues ranges from minor inconveniences to significant repairs, with costs potentially reaching several thousand dollars depending on the problem. Prospective buyers should carefully inspect the car’s service history and consider a pre-purchase inspection to identify any existing or potential problems.