2018 BMW M4

Introduction

The 2018 BMW M4 is a high-performance sports coupe with aggressive styling and a powerful engine lineup. It is available with a 3.0L twin-turbocharged inline-6 engine paired with either a 6-speed manual transmission or a 7-speed dual-clutch automatic transmission. The M4 delivers impressive performance with up to 444 horsepower and 406 lb-ft of torque. While the M4 is praised for its handling, acceleration, and sporty interior, some owners have reported specific issues with the vehicle.

Engine 3.0L Twin-Turbocharged Inline-6 Engine

• Valve Stem Seal Failure
  • Description/Symptoms: Leaking oil, poor engine performance, increased oil consumption
  • Solution: Replace valve stem seals
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

Transmission 6-Speed Manual Transmission

• Clutch Failure
  • Description/Symptoms: Difficult to shift gears, slipping clutch, gear grinding
  • Solution: Replace clutch
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

7-Speed Dual-Clutch Automatic Transmission

• Mechatronic Unit Failure
  • Description/Symptoms: Transmission slipping, difficulty shifting gears, check engine light
  • Solution: Replace mechatronic unit
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Suspension

• Front Suspension Arm Bushings Wear
  • Description/Symptoms: Clunking or knocking noises while driving, uneven tire wear
  • Solution: Replace suspension arm bushings
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery dies prematurely, difficulty starting the vehicle
  • Solution: Diagnose and repair electrical system, replace battery if necessary
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Sunroof Panel Leaks
  • Description/Symptoms: Water leaks into the cabin when sunroof is closed
  • Solution: Replace sunroof seals, adjust sunroof alignment
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Interior

• Infotainment System Crashing
  • Description/Symptoms: Infotainment system freezes, black screen, unresponsive to commands
  • Solution: Software update, replace infotainment unit if necessary
  • Estimated Cost to Fix: $0 - $1,000+
  • Recalls: None Found

Summary

While the 2018 BMW M4 is known for its performance and handling, it has been reported to experience some issues in various components. Engine-related issues such as valve stem seal failure and clutch failure can be expensive to fix, while transmission issues like mechatronic unit failure can also be costly. Electrical issues, exterior leaks, and interior infotainment system problems can add up to additional maintenance costs. Overall, the severity of these issues and the associated repair costs should be considered before purchasing or owning a 2018 BMW M4.