2023 BMW Z4 Problems: 0 Complaints, 2 Recalls

The worst 2023 BMW Z4 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Power train: automatic transmission: control module (TCM/PCM/tecm)Reported December 6, 2023 · 552 vehicles affected

What is wrong: BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive, M440i xDrive), 8 Series Coupe (840i, M850i xDrive, M8), 8 Series Convertible (840i, M850i xDrive, M8), 8 Series Gran Coupe (850i xDrive, M8), X3 SAV (X3 xDrive30i, X3M), X4 SAV (X4 xDrive30i), X5 SAV (X5 xDrive40i, X5 M50i, X5M), X6 SAV (X6 xDrive40i, X6 M50i, X6M), and Z4 sDrive30i, Z4 M40i vehicles. The weld seam of the integrated transmission control unit's cover may not have been manufactured properly, which could allow automatic transmission oil to leak into the transmission control unit.
Risk: Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, causing a sudden loss of drive power and increasing the risk of a crash.
Remedy: Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as necessary, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact BMW customer service at 1‑800‑525‑7417.

Recall number 23V821000 · Recall details

Electrical system: softwareReported February 17, 2023 · 3,193 vehicles affected

What is wrong: BMW of North Americal, LLC (BMW) is recalling certain 2023 8 Series Coupe (840i, 840i xDrive, M850i xDrive, M8), 8 Series Convertible (840i, 840i xDrive, M850i xDrive, M8), 8 Series Gran Coupe (840i, 840i xDrive, M850i xDrive, M8, Alpine B8 xDrive), 2 Series Coupe (230i, 230i xDrive, M240i xDrive, M2), and 2022-2023 Z4 sDrive30i, Z4 M40i vehicles. When the digital key is removed from the vehicle, the Electronic Control Unit (ECU) software may still allow the power windows and sunroof to be closed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 118, "Power-operated Window Systems."
Risk: Unintentionally closing the windows or sunroof without the key present can increase the risk of injury to occupants inside the vehicle.
Remedy: Dealers will update the software for the Electronic Control Unit (ECU), free of charge. In addition, the digital key function via cellular service and Wi-Fi capability will be deactivated until the vehicle is updated with new software. Owner notification letters are expected to be mailed April 11, 2023. Owners may contact BMW customer service at 1‑800‑525‑7417.

Recall number 23V099000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

Engine	Drive	City	Highway	Combined
2.0L 4‑cyl	RWD	25	33	28
3.0L 6‑cyl	RWD	23	31	26

Is the 2023 BMW Z4 reliable?

Owners have filed 0 complaints about the 2023 BMW Z4.

What is the most common problem with the 2023 BMW Z4?

There are not enough complaints to tell.

How many recalls does the 2023 BMW Z4 have?

2 recalls, covering power train and electrical system.

What gas mileage does the 2023 BMW Z4 get?

Official estimates for the 2023 BMW Z4 range from 26 to 28 mpg combined. The most efficient version (2.0L 4-cyl, RWD) gets 25 city and 33 highway.

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