2020 BMW 840i

Introduction

The 2020 BMW 840i is a high-performance luxury coupe that offers a thrilling driving experience combined with a refined interior. It features a powerful TwinPower Turbo inline-6 engine that delivers 335 horsepower and 368 lb-ft of torque, paired with an 8-speed Steptronic sport transmission. The 840i is known for its sleek design, agile handling, and advanced technology features. However, despite its premium nature, owners have reported some issues with the vehicle.

Engine

BMW B58 3.0L TwinPower Turbo Inline-6

• Oil Leak from Valve Cover Gasket
  • Description/Symptoms: Leaking oil from the valve cover area, causing oil consumption and potential smoking from the engine bay.
  • Solution: Replace the valve cover gasket.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Transmission

ZF 8-Speed Steptronic Sport Transmission

• Shifting Problems
  • Description/Symptoms: Rough or delayed shifting, especially during low-speed maneuvers.
  • Solution: Update transmission software or replace transmission fluid and filter.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Suspension

• Adaptive M Suspension
  • Knocking Noise from Front Suspension
    • Description/Symptoms: Knocking or clunking sound from the front suspension, particularly over rough roads.
    • Solution: Replace front struts or control arms.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found

Electrical

• Battery Discharge
  • Description/Symptoms: Battery drains prematurely, requiring frequent recharging or jump-starting.
  • Solution: Identify and repair electrical drain, such as faulty modules or components.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Exterior

• Door Lock Malfunction
  • Description/Symptoms: Doors fail to lock or unlock properly, using the key or remote keyless entry system.
  • Solution: Replace door lock actuators or control module.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Interior

• Headliner Noise
  • Description/Symptoms: Rattle or buzzing noise from the headliner, particularly at higher speeds.
  • Solution: Reposition or secure headliner clips or replace headliner panel.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Summary

The 2020 BMW 840i is a desirable vehicle but has experienced some issues, particularly with the engine, transmission, and suspension. These issues can range in severity and cost, but many of them are covered by BMW’s warranty. Addressing these issues promptly is recommended to ensure a reliable and enjoyable driving experience.