2023 BMW 840i

2023 BMW 840i

The 2023 BMW 840i is a grand tourer that offers a potent blend of performance and luxury. It comes standard with a 3.0-liter turbocharged inline-six engine that delivers 335 horsepower and 368 lb-ft of torque, paired with an eight-speed automatic transmission. Other engine options include a 4.4-liter twin-turbocharged V8 with 523 horsepower and 553 lb-ft of torque, and a plug-in hybrid variant with the same V8 engine paired with an electric motor for a combined output of 563 horsepower.

Owners generally praise the 840i for its impressive performance, luxurious interior, and stylish design. However, there are some issues that have been reported:

Engine

• 3.0-Liter Turbocharged Inline-Six
  • Fuel Injector Failure
    • Description/Symptoms: Hesitation and rough running at idle, reduced engine power, and increased fuel consumption
    • Solution: Replace the faulty fuel injector(s)
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: NHTSA Campaign Number 22V471000

Transmission

• Eight-Speed Automatic Transmission
  • Shifting Issues
    • Description/Symptoms: Difficulty shifting gears, slipping gears, and delayed engagement
    • Solution: Transmission fluid change, solenoid replacement, or transmission rebuild
    • Estimated Cost to Fix: $500 - $3,000+
    • Recalls: None Found

Suspension

• Adaptive M Suspension
  • Strut Mount Failure
    • Description/Symptoms: Clunking or rattling noises from the front of the vehicle, especially over bumps or uneven surfaces
    • Solution: Replace the faulty strut mount(s)
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Electrical

• Electrical System
  • Battery Drain
    • Description/Symptoms: Battery goes dead after sitting for a period of time, reduced electrical functionality
    • Solution: Diagnose and repair the source of the parasitic drain, such as faulty modules or wiring
    • Estimated Cost to Fix: $500 - $2,000+
    • Recalls: None Found

Exterior

• Moonroof
  • Leakage
    • Description/Symptoms: Water seeping into the cabin through the moonroof assembly, especially during heavy rain
    • Solution: Inspect and reseal the moonroof gaskets and drains
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found

Interior

• Center Console
  • Cracking
    • Description/Symptoms: Visible cracks and distortions on the center console, especially near the shift knob
    • Solution: Replace the damaged center console
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found

Summary

Overall, the 2023 BMW 840i has some reported issues, but they vary in severity and cost to fix. The most common problems seem to be fuel injector failure and shifting issues with the automatic transmission. It’s important for owners to be aware of these potential issues and have them addressed promptly to avoid further damage or inconvenience.