2017 BMW M6
2017 BMW M6
Overview
The 2017 BMW M6, a high-performance grand tourer, generally exhibits strong mechanical reliability, reflecting its premium engineering. However, like any performance vehicle, it can encounter specific issues, particularly related to its potent powertrain and advanced systems. Owners should be aware of potential concerns within the engine and electrical systems, though widespread catastrophic failures are uncommon. Regular maintenance and prompt attention to any developing symptoms are crucial for preserving the M6’s exhilarating driving experience and long-term durability. This data focuses on documented, non-wear-and-tear related reliability concerns.
Engine
4.4L Twin-Turbocharged V8 (S63B44T0)
Turbocharger Wastegate Actuator Failure
- Symptoms: Reduced engine power, boost leaks, check engine light, rattling noise from turbo area.
- Solution: Replacement of faulty wastegate actuator or complete turbocharger assembly.
- Cost: $1,500 - $3,000
Oil Leaks (Valve Cover Gaskets, Oil Pan Gasket)
- Symptoms: Visible oil stains under the vehicle, burning oil smell, low oil level.
- Solution: Replacement of leaking gaskets.
- Cost: $800 - $1,500
Ignition Coil Failure
- Symptoms: Misfires, rough idling, reduced engine performance, check engine light.
- Solution: Replacement of faulty ignition coils.
- Cost: $400 - $800
Transmission
7-Speed M-DCT (Dual-Clutch Transmission)
Mechatronics Unit Failure
- Symptoms: Harsh shifting, transmission warning lights, inability to select gears, slipping.
- Solution: Repair or replacement of the mechatronics unit.
- Cost: $2,500 - $5,000
Clutch Pack Wear
- Symptoms: Jerky acceleration, slipping during gear changes, delayed engagement.
- Solution: Replacement of clutch packs.
- Cost: $3,000 - $6,000
6-Speed Manual Transmission
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Suspension
Adaptive M Suspension
Damper Control Module Failure
- Symptoms: Harsh ride, suspension warning lights, inconsistent damping.
- Solution: Replacement of the damper control module.
- Cost: $1,000 - $2,000
Control Arm Bushing Wear
- Symptoms: Clunking noises over bumps, vague steering feel, uneven tire wear.
- Solution: Replacement of worn control arm bushings.
- Cost: $500 - $1,000
Electrical
Infotainment System (iDrive)
Screen Freezing or Unresponsiveness
- Symptoms: Infotainment screen becomes unresponsive, system reboots unexpectedly.
- Solution: Software update or replacement of the head unit.
- Cost: $500 - $1,500
Battery Drain
Parasitic Battery Drain
- Symptoms: Battery dies unexpectedly, car won’t start, electrical components malfunction.
- Solution: Diagnosis and repair of faulty modules or circuits causing drain.
- Cost: $300 - $1,000
Exterior
Standard Exterior
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Interior
Standard Interior
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Summary Verdict
The 2017 BMW M6 is a robust performance car with a generally good reliability record for its class. The primary areas of concern tend to be the high-performance engine and its associated components, such as turbochargers and ignition systems, as well as the sophisticated dual-clutch transmission, which can experience issues with its mechatronics unit or clutch packs. Electrical gremlins, particularly with the iDrive system and potential battery drain, are also noted. While suspension components like adaptive dampers and bushings can require attention, they are less frequent issues. Overall, with diligent maintenance and addressing specific known problems, the M6 can remain a reliable and thrilling vehicle.