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2018 BMW 420i Gran Coupe

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By Research the Car 1 min read

Introduction:

The 2018 BMW 420i Gran Coupe is a stylish and sporty four-door coupe prized for its powerful engine, responsive handling, and luxurious interior. It features a 2.0-liter turbocharged inline-four engine producing 184 horsepower and 221 lb-ft of torque, paired with an 8-speed automatic transmission.

Engine

2.0-liter Turbocharged Inline-Four

  • Premature Timing Chain Failure:
    • Description/Symptoms: Rattling noise on engine startup, loss of power
    • Solution: Replacement of timing chain
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: N/A

Transmission

8-Speed Automatic

  • Hesitation or Delay in Upshifting:
    • Description/Symptoms: Lag or hesitation between gearshifts
    • Solution: Software update or transmission fluid replacement
    • Estimated Cost to Fix: $100 - $200+
    • Recalls: N/A

Suspension

  • Premature Wear of Front Lower Control Arms:
    • Description/Symptoms: Clunking or rattling noise over bumps
    • Solution: Replacement of control arms
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: N/A

Electrical

  • Antenna Breakage:
    • Description/Symptoms: Poor radio reception, loss of signal
    • Solution: Replacement of antenna
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: N/A
  • Instrument Panel Display Malfunction:
    • Description/Symptoms: Flickering or pixelated display
    • Solution: Software update or replacement of instrument panel
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: N/A

Exterior

  • Condensation in Taillights:
    • Description/Symptoms: Moisture accumulation inside taillights
    • Solution: Replacement of taillights
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: N/A

Interior

  • Infotainment System Failure:
    • Description/Symptoms: System freezing or crashing
    • Solution: Software update or hardware replacement
    • Estimated Cost to Fix: $300 - $1,000+
    • Recalls: N/A

Summary:

While the 2018 BMW 420i Gran Coupe offers a thrilling driving experience, it has experienced some technical issues. The most concerning is premature timing chain failure, which can be expensive to repair. The hesitation in upshifting and premature wear of control arms are also common but less severe. Electrical and interior issues are mainly related to software glitches or hardware defects. Overall, while the severity of the issues can vary, it’s important to be aware of these potential concerns when considering this vehicle.

BMW, 420i Gran Coupe
BMW 420i Gran Coupe 2018
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