Post
Research the Car Logo

2022 BMW 840i Gran Coupe

Here’s a breakdown of the common issues and complaints reported by owners of the 2022 BMW 840i Gran Coupe, organized by category and configuration.

The 2022 BMW 840i Gran Coupe is a luxurious and sporty four-door coupe. The 840i comes standard with a 3.0-liter turbocharged inline-six engine producing 335 horsepower and 369 lb-ft of torque. Other engine options available for the 8 Series Gran Coupe include the M850i’s 4.4-liter twin-turbo V8 producing 523 horsepower and 553 lb-ft of torque, and the high-performance M8’s 4.4-liter twin-turbo V8 tuned to produce up to 617 horsepower. All engines are paired with an 8-speed automatic transmission. People often praise the 840i Gran Coupe for its elegant styling, powerful engine, comfortable ride, and high-tech features. Common complaints include the high price tag, limited rear headroom, and some complexity in the infotainment system.

Engine

3.0L Turbocharged Inline-Six (B58)

  • Coolant Leaks
    • Description/Symptoms: Coolant leaks are found coming from the oil filter housing and other areas of the cooling system. This can lead to low coolant levels, overheating, and potential engine damage.
    • Solution: Replace the faulty gaskets and seals in the cooling system and the oil filter housing gasket. Pressure test the cooling system to ensure no leaks are present after the repair.
    • Estimated Cost to Fix: $300 - $1,000+ depending on the location and severity of the leak.
    • Recalls: None Found
  • Valve Cover Gasket Leak
    • Description/Symptoms: Oil leaking from the valve cover gasket onto the exhaust manifold. Burning oil smell and visible smoke.
    • Solution: Replace the valve cover gasket and bolts.
    • Estimated Cost to Fix: $500 - $1,000+ depending on the labor involved.
    • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

  • Harsh Shifting/Hesitation
    • Description/Symptoms: Some owners report rough or delayed shifting, particularly when downshifting or during initial acceleration. This can manifest as a “clunk” or “jerk” feeling.
    • Solution: In some cases, a software update for the transmission control module (TCM) may resolve the issue. In more severe cases, valve body replacement or complete transmission replacement might be necessary.
    • Estimated Cost to Fix: $200 (software update) - $6,000+ (transmission replacement)
    • Recalls: None Found
  • Transmission Fluid Leaks
    • Description/Symptoms: Transmission fluid leaks are found coming from the mechatronic sleeve, pan gasket, or seals around the transmission. This can lead to low transmission fluid levels and potential transmission damage.
    • Solution: Replace the faulty mechatronic sleeve and/or pan gasket. Check fluid level.
    • Estimated Cost to Fix: $300 - $800+
    • Recalls: None Found

Suspension

  • Adaptive Suspension Malfunctions (If Equipped)
    • Description/Symptoms: Error messages related to the adaptive suspension system. Uneven ride height, excessively harsh or floaty ride.
    • Solution: Diagnosis of the system, replacement of faulty sensors, struts, or control modules.
    • Estimated Cost to Fix: $500 - $2,000+ per strut.
    • Recalls: None Found

Electrical

  • Infotainment System Freezing/Rebooting
    • Description/Symptoms: The iDrive infotainment system occasionally freezes, becomes unresponsive, or spontaneously reboots. This can affect navigation, audio, and other vehicle functions.
    • Solution: Software updates, replacement of the iDrive control unit (in rare cases).
    • Estimated Cost to Fix: $0 (software update) - $1,500+ (control unit replacement)
    • Recalls: None Found
  • Sensor Malfunctions
    • Description/Symptoms: Problems with sensors that are part of the driver assistance package. This includes parking sensors, blind spot monitoring, lane departure warning, and adaptive cruise control systems.
    • Solution: Identify and replace faulty sensors. Recalibrate the affected systems.
    • Estimated Cost to Fix: $200 - $800+ per sensor, plus calibration costs.
    • Recalls: None Found

Exterior

  • No Issues Found

Interior

  • Rattling/Squeaking Noises
    • Description/Symptoms: Some owners report rattling or squeaking noises emanating from the dashboard, door panels, or rear deck.
    • Solution: Locating and insulating the source of the noise. This may involve tightening fasteners, adding foam padding, or replacing worn trim pieces.
    • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the repair.
    • Recalls: None Found

Summary

The 2022 BMW 840i Gran Coupe generally exhibits good reliability, though some owners have reported issues, including engine coolant leaks, transmission problems (harsh shifting, fluid leaks), electrical system glitches, and suspension malfunctions on equipped vehicles. The severity of these issues ranges from minor annoyances (rattling) to potentially serious problems (engine overheating). Repair costs can also vary widely, from a few hundred dollars for a software update to several thousand dollars for a transmission replacement. It’s essential to have a qualified BMW technician diagnose any suspected issues and perform the appropriate repairs.

This post is licensed under CC BY 4.0 by the author.