2024 BMW 840i xDrive

The 2024 BMW 840i xDrive is a luxury grand tourer known for its elegant styling, powerful performance, and sophisticated technology. This model comes standard with a 3.0-liter turbocharged inline-six engine producing 335 horsepower and 369 lb-ft of torque. Other engine options for the 8 Series range include a more powerful V8. The 840i xDrive is generally praised for its smooth ride, comfortable interior, and sporty handling. However, some common criticisms include the high price point and limited rear seat space.

Engine

3.0L Turbocharged Inline-Six (B58)

• Oil Leaks from Oil Filter Housing/Valve Cover:
  • Description/Symptoms: Oil leaks, noticeable oil consumption, burning oil smell. Typically originates from the gasket between the oil filter housing and engine block, or the valve cover gasket.
  • Solution: Replace the oil filter housing gasket and/or valve cover gasket. Thoroughly clean the affected area of oil residue.
  • Estimated Cost to Fix: $400 - $1,000+ depending on location.
  • Recalls: None Found
• Coolant Leaks:
  • Description/Symptoms: Low coolant level warning, visible coolant leaks under the vehicle, sweet coolant smell.
  • Solution: Inspect and replace faulty hoses, water pump, or expansion tank.
  • Estimated Cost to Fix: $200 - $1,200+ depending on the source of the leak.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough or Delayed Shifting:
  • Description/Symptoms: Harsh upshifts or downshifts, hesitation when shifting gears, particularly between 2nd and 3rd gear.
  • Solution: Transmission fluid flush and replacement may resolve the issue. In more severe cases, valve body replacement or full transmission rebuild may be necessary.
  • Estimated Cost to Fix: $300 - $500 for fluid flush; $1,500 - $4,000+ for valve body or transmission replacement.
  • Recalls: None Found
• Torque Converter Issues:
  • Description/Symptoms: Shuddering at low speeds, particularly when accelerating from a stop. Can feel like a vibration throughout the vehicle.
  • Solution: Replacement of the torque converter. Some cases can be fixed with a transmission fluid service.
  • Estimated Cost to Fix: $1,500 - $3,000+ depending on location.
  • Recalls: None Found

Suspension

• Adaptive Damper Malfunction:
  • Description/Symptoms: Ride quality becomes excessively harsh or bouncy. Error message related to the adaptive suspension system displayed on the dashboard.
  • Solution: Diagnose the specific faulty damper (front or rear, left or right). Replace the affected damper. May require recalibration of the suspension system.
  • Estimated Cost to Fix: $800 - $2,000+ per damper.
  • Recalls: None Found
• Control Arm Bushing Wear:
  • Description/Symptoms: Clunking noises from the front or rear suspension, particularly when going over bumps. Imprecise steering and wandering on the highway.
  • Solution: Replace the worn control arm bushings. In some cases, replacing the entire control arm assembly may be necessary.
  • Estimated Cost to Fix: $300 - $800+ per control arm.
  • Recalls: None Found

Electrical

• iDrive System Freezing/Crashing:
  • Description/Symptoms: The iDrive infotainment system freezes, becomes unresponsive, or crashes and restarts unexpectedly.
  • Solution: Software update or complete system reset. In rare cases, hardware replacement may be necessary.
  • Estimated Cost to Fix: $0 - $200 (software update); $1,000+ (hardware replacement).
  • Recalls: None Found
• Sensor Failures (Parking Sensors, Driver Assistance Systems):
  • Description/Symptoms: Malfunction of parking sensors, lane departure warning, adaptive cruise control, or other driver assistance features. Error messages displayed on the dashboard.
  • Solution: Diagnose and replace the faulty sensor. Recalibration of the driver assistance system may be required.
  • Estimated Cost to Fix: $200 - $800+ per sensor.
  • Recalls: None Found

Exterior

• Automatic Trunk/Tailgate Issues:
  • Description/Symptoms: Trunk/tailgate fails to open or close automatically, makes unusual noises, or gets stuck.
  • Solution: Inspect and replace the trunk/tailgate lift supports, motor, or latch mechanism.
  • Estimated Cost to Fix: $300 - $1,000+.
  • Recalls: None Found
• Door Handle Actuator Failure:
  • Description/Symptoms: Door handle fails to properly engage or disengage the door latch, making it difficult to open or close the door.
  • Solution: Replace the faulty door handle actuator.
  • Estimated Cost to Fix: $400 - $800+ per door.
  • Recalls: None Found

Interior

• Sunroof/Moonroof Problems:
  • Description/Symptoms: Sunroof fails to open or close properly, makes grinding noises, or leaks water.
  • Solution: Inspect and repair or replace the sunroof motor, track, or seals.
  • Estimated Cost to Fix: $300 - $1,500+.
  • Recalls: None Found
• Seat Motor Failure:
  • Description/Symptoms: One or more of the adjustment functions on the seat stops working.
  • Solution: Inspect and replace the seat motor.
  • Estimated Cost to Fix: $300 - $1,000+.
  • Recalls: None Found

Summary

The 2024 BMW 840i xDrive, while a luxurious and high-performing vehicle, can experience a range of issues. Engine and transmission problems, like oil leaks and rough shifting, can lead to moderate to high repair costs. Electrical and suspension issues can also contribute to unexpected expenses. However, many of the issues are relatively minor and can be resolved with routine maintenance and timely repairs. Overall, potential buyers should be aware of these common complaints and factor in potential maintenance costs when considering this vehicle.