2021 BMW M4

Introduction:

The 2021 BMW M4 is a high-performance sports coupe that delivers an exhilarating driving experience. It boasts a twin-turbocharged 3.0-liter inline-6 engine that generates 473 horsepower and 406 lb-ft of torque. The M4 comes equipped with an 8-speed automatic transmission or a 6-speed manual transmission. While the M4 has received praise for its impressive power and handling, it has also faced some issues.

Engine

B58 3.0L Twin-Turbocharged Inline-6 (473 hp)

• Spark Plug Failure:
  • Description/Symptoms: Misfires at idle, rough running, reduced power.
  • Solution: Replace faulty spark plugs.
  • Estimated Cost to Fix: $200 - $300+
  • Recalls: None Found

Transmission

8-Speed Automatic Transmission (ZF 8HP76)

• Shifting Hesitations:
  • Description/Symptoms: Delay or jerkiness during gear changes.
  • Solution: Software update or transmission fluid replacement.
  • Estimated Cost to Fix: $100 - $200+

6-Speed Manual Transmission (Getrag GS6-L50)

• No Issues Found

Suspension

• Adaptive M Suspension Stiffness:
  • Description/Symptoms: Excessive body roll or harsh ride over uneven surfaces.
  • Solution: Adjust suspension settings or replace worn components.
  • Estimated Cost to Fix: $500 - $1,000+

Electrical

• Battery Drain:
  • Description/Symptoms: Battery drains quickly, particularly when the car is parked.
  • Solution: Diagnose and repair parasitic current drain.
  • Estimated Cost to Fix: $200 - $500+
• BMW iDrive Software Glitches:
  • Description/Symptoms: Infotainment system crashes, freezes, or displays error messages.
  • Solution: Software update or system reset.
  • Estimated Cost to Fix: $100 - $300+

Exterior

• Carbon Fiber Trunk Spoiler Malfunction:
  • Description/Symptoms: Spoiler fails to deploy or retract properly.
  • Solution: Replace defective spoiler unit.
  • Estimated Cost to Fix: $500 - $1,000+
• Headlight Condensation:
  • Description/Symptoms: Moisture inside headlight housing.
  • Solution: Replace headlight assembly.
  • Estimated Cost to Fix: $500 - $1,000+

Interior

• Panoramic Moonroof Noise:
  • Description/Symptoms: Wind or rattle noises from panoramic moonroof.
  • Solution: Adjust moonroof alignment or replace seals.
  • Estimated Cost to Fix: $200 - $500+
• Center Console Trim Rattle:
  • Description/Symptoms: Rattling or buzzing noise from center console area.
  • Solution: Tighten or replace loose trim pieces.
  • Estimated Cost to Fix: $100 - $200+

Summary:

The 2021 BMW M4 is a high-performance vehicle with several specific issues impacting its engine, transmission, suspension, electrical, exterior, and interior components. The severity of these issues varies, with some requiring minor repairs while others may lead to more costly replacements. Owners should be aware of these potential problems and address them promptly to ensure the best possible ownership experience.