2016 BMW M6

The 2016 BMW M6 is a high-performance grand tourer available as a coupe, convertible, or Gran Coupe (four-door coupe). It boasts a 4.4-liter twin-turbocharged V8 engine producing 560 horsepower and 500 lb-ft of torque, or 575 horsepower and 500 lb-ft of torque with the Competition Package. A seven-speed dual-clutch automatic transmission (DCT) is standard, and a six-speed manual transmission was available as a no-cost option. People love the M6 for its incredible power, luxurious interior, and stylish design. Common complaints include the high price tag, harsh ride quality (especially with the Competition Package), and potential for costly maintenance.

Engine

4.4L Twin-Turbocharged V8 (S63)

• Oil Leaks
  • Description/Symptoms: Oil leaks commonly develop from the valve cover gaskets, oil filter housing gasket, and oil pan gasket. Symptoms include visible oil leaks, burning oil smell, and low oil level warning.
  • Solution: Replace the affected gaskets.
  • Estimated Cost to Fix: $500 - $1500+ depending on the location of the leak and if performed at a dealership or independent shop.
  • Recalls: None Found
• VANOS Solenoid Issues
  • Description/Symptoms: Variable valve timing (VANOS) solenoids can fail, leading to rough idling, reduced power, and check engine light.
  • Solution: Replace the faulty VANOS solenoid(s).
  • Estimated Cost to Fix: $300 - $800+ depending on how many solenoids need to be replaced.
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: The turbochargers on the S63 engine can experience premature failure, often due to oil starvation or excessive heat. Symptoms include reduced power, turbo whine, and check engine light.
  • Solution: Replace the failed turbocharger(s).
  • Estimated Cost to Fix: $3,000 - $8,000+ depending on if one or both turbos need replacing and if done at a dealership or independent shop.
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Transmission (DCT)

• DCT Mechatronic Unit Failure
  • Description/Symptoms: The mechatronic unit, which controls the DCT’s shifting, can fail. This results in erratic shifting, harsh engagement, and potential inability to shift gears.
  • Solution: Replace or rebuild the mechatronic unit.
  • Estimated Cost to Fix: $3,000 - $6,000+ depending on whether it’s replaced or rebuilt.
  • Recalls: None Found
• DCT Clutch Wear
  • Description/Symptoms: The clutches in the DCT can wear out prematurely, especially with aggressive driving. Symptoms include slipping during acceleration, jerky shifts, and transmission fault warnings.
  • Solution: Replace the clutch pack.
  • Estimated Cost to Fix: $4,000 - $7,000+
  • Recalls: None Found

6-Speed Manual Transmission

• No Issues Found

Suspension

• Adaptive Damper Malfunctions
  • Description/Symptoms: The adaptive dampers (Electronic Damper Control - EDC) can fail, leading to a harsh or bouncy ride, and EDC system error messages.
  • Solution: Replace the faulty damper(s).
  • Estimated Cost to Fix: $800 - $2,000+ per damper, including labor.
  • Recalls: None Found

Electrical

• iDrive System Issues
  • Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, and software malfunctions.
  • Solution: Software updates or replacement of the iDrive control unit.
  • Estimated Cost to Fix: $200 - $2,000+ depending on the issue and whether it requires a new unit.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Excessive battery drain can occur due to a variety of reasons, including faulty modules or parasitic draws. This can lead to a dead battery and starting problems.
  • Solution: Diagnose and repair the source of the battery drain.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the complexity of the issue.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• No Issues Found

Summary:

The 2016 BMW M6 offers exhilarating performance but comes with potential maintenance concerns. Engine issues, particularly oil leaks and turbocharger problems, can be costly to address. The DCT transmission can also be a source of expensive repairs. Suspension and electrical gremlins can further add to the ownership costs. Potential buyers should be aware of these potential issues and budget accordingly. While some issues are relatively minor, others can lead to significant repair bills. A thorough pre-purchase inspection by a qualified BMW mechanic is highly recommended.