2021 BMW X7 Transmission and drivetrain Problems
- Complaints
- 11about this part
- Share
- 23%of 47 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the transmission and drivetrain of the 2021 BMW X7, 23% of the 47 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Front differential complete fail. 56k miles. Replaced with new part, not an improved one but the same as factory at BMW dealership. My vehicle is 2021 x7 m50i. Reading other forums this is common if not standard on same models of this year. Very upset to have had to come out of pocket $9k to replace. Just outside of warranty. Was told will likely happen again in 50k miles. I wanted to keep this car like I have my other cars well into 170k miles. Looking to sell. Don’t understand how BMW doesn’t recall this.”
NHTSA complaint #11719575, filed 2026-02“A failed front differential on my 2021 BMW X7 M50i, which currently has approximately 59,000 miles. BMW of Wesley Chapel has diagnosed the front differential as failed and provided an estimated repair cost of approximately $11,500. The Service Manager Stevon Budhu has also submitted a goodwill request on our behalf to BMW I have two young daughters whom I transport daily, and safety is a key reason we selected the BMW X7 as our family vehicle. This type of drivetrain failure at this mileage is unexpected for a premium BMW SUV and is understandably concerning.”
NHTSA complaint #11740484, filed 2026-05“Wheel/Tire makes shudders during a turn at low acceleration or going up a hill leading to uncontrolled acceleration. I have brought the car in for inspection and service and the issue could not be replicated by the techs, however the problem occurs with daily driving. An online search shows that this is a very common problem with the transfer case.”
NHTSA complaint #11701777, filed 2025-11“very known issue of catastrophic failure to the oil pump, made in Italy with plastic component, used in my vehicle. The part has been updated to metal components on bmw side without any knowledge to the customers with same part number. Faulty xdrive tranfer case, wheel jerks on low speed turning. Currently in class action lawsuit.”
NHTSA complaint #11728211, filed 2026-03“The vehicle experiences a recurring drivetrain shuddering or slipping sensation at low speeds, especially when accelerating from a stop or while cornering. The issue originates from the transfer case, which has been identified as the malfunctioning component. The transfer case was previously serviced according to the manufacturer's official technical bulletin, but the problem returned after the prescribed post-repair evaluation period. …”
NHTSA complaint #11683156, filed 2025-08Related service bulletins
- 10242688Aug 1, 2023?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
- 10239603Jun 1, 2023BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022…
- 10235178Mar 1, 2023BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
- 10230722Dec 1, 2022After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
Transmission and drivetrain: other model years
Other parts of the 2021 BMW X7
11 complaintsElectrical system
8 complaintsOther or unknown
5 complaintsSeats
5 complaintsSteering
5 complaintsFuel system
4 complaintsVehicle speed control
4 complaintsForward collision avoidance
3 complaintsBrakes
2 complaintsExterior lighting
2 complaintsLane departure
2 complaintsSeat belts
2 complaints
← All problems reported for the 2021 BMW X7
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology