2017 BMW M3

Introduction

The 2017 BMW M3 is a high-performance sedan powered by a twin-turbocharged 3.0-liter inline-six engine that produces 425 horsepower and 406 lb-ft of torque. The engine is paired with either a six-speed manual transmission or a seven-speed dual-clutch automatic transmission. The M3 is known for its thrilling driving experience, sharp handling, and spacious interior. However, some owners have reported various issues with the vehicle.

Engine

3.0L Twin-Turbocharged Inline-Six

• Valve Spring Failure:
  • Description/Symptoms: Broken valve springs can cause a loss of power and a rattling noise from the engine.
  • Solution: Replace the affected valve springs.
  • Estimated Cost to Fix: $1,500 - $2,500+
• Carbon Buildup on Intake Valves:
  • Description/Symptoms: Carbon buildup on the intake valves can restrict airflow and reduce engine performance.
  • Solution: Clean the intake valves or replace them if necessary.
  • Estimated Cost to Fix: $500 - $1,500

Transmission

Six-Speed Manual Transmission

• Grinding Gears:
  • Description/Symptoms: Shifting gears can become difficult and produce a grinding noise.
  • Solution: Replace the worn gears or synchros.
  • Estimated Cost to Fix: $1,200 - $2,000

Seven-Speed Dual-Clutch Automatic Transmission

• Clunking or Jerking:
  • Description/Symptoms: The transmission may shift gears harshly or clunk when coming to a stop.
  • Solution: Replace or repair the clutch packs or mechatronics unit.
  • Estimated Cost to Fix: $2,000 - $4,000+

Suspension

• Strut Mount Failure:
  • Description/Symptoms: Worn strut mounts can cause knocking or clunking noises over bumps.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $400 - $800

Electrical

• Battery Drain:
  • Description/Symptoms: The battery may drain quickly when the vehicle is parked.
  • Solution: Replace the battery or diagnose and repair any electrical issues causing the drain.
  • Estimated Cost to Fix: $200 - $800
• Malfunctioning Wiper Motors:
  • Description/Symptoms: The windshield wipers may fail to operate or operate erratically.
  • Solution: Replace the wiper motor(s).
  • Estimated Cost to Fix: $400 - $1,000

Exterior

• Sunroof Leaks:
  • Description/Symptoms: Water may leak into the interior through the sunroof.
  • Solution: Replace or reseal the sunroof.
  • Estimated Cost to Fix: $500 - $1,500
• Paint Peeling:
  • Description/Symptoms: The paint may peel or fade prematurely on certain panels.
  • Solution: Repaint the affected panels.
  • Estimated Cost to Fix: $1,000 - $3,000

Interior

• Climate Control Malfunctions:
  • Description/Symptoms: The climate control system may fail to adjust temperature or airflow.
  • Solution: Replace or repair the climate control module or actuator.
  • Estimated Cost to Fix: $400 - $1,000
• Navigation System Issues:
  • Description/Symptoms: The navigation system may freeze or display incorrect information.
  • Solution: Update the navigation software or replace the navigation unit.
  • Estimated Cost to Fix: $200 - $800

Summary

The 2017 BMW M3 offers exceptional performance and handling, but it has also been plagued by a variety of issues. Some of the engine and transmission problems can be serious and expensive to repair. Suspension, electrical, and interior issues are generally less severe and less costly to fix. However, exterior paint issues and sunroof leaks can detract from the overall appeal of the vehicle. Potential buyers should be aware of these issues before purchasing a 2017 BMW M3.