The rear right driven half-shaft (aka output shaft/driven shaft) may not have been manufactured correctly during production and may break. In the event of a failure, there could be significant noises in the area of the rear axle and the driving performance will be noticeably reduced.
full bulletin at NHTSA ↗2024 BMW X5 powertrain problems
moderate Owners of the 2024 BMW X5 have filed 15 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
15
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2020 X5 | 16 |
| 2021 X5 | 22 |
| 2022 X5 | 14 |
| 2023 X5 | 7 |
| 2024 X5 (this page) | 15 |
| 2025 X5 | 7 |
| 2026 X5 | 3 |
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Due to a manufacturing issue, the torque on the bolts of the transmission Mechatronics was not carried outaccording to the specification. The faulty torquing can cause a malfunction within the transmission, and as a result, the emergencyoperation of the transmission.
full bulletin at NHTSA ↗During manufacturing, the dual-mass flywheel has not been sufficiently greased. The insufficient grease may result in acoustic abnormalities and vibrations in the vehicle's powertrain.
full bulletin at NHTSA ↗Due to a manufacturing issue, the torque on the bolts of the transmission Mechatronics was not carried outaccording to the specification. The faulty torquing can cause a malfunction within the transmission, and as a result, the emergencyoperation of the transmission.
full bulletin at NHTSA ↗There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2024 BMW X5 50e report a critical pattern: sudden, unwarned drivetrain shutdowns that kill engine power mid-drive. Drivers describe getting a "Drivetrain Malfunction" error, then losing all power on highways, city streets, freeway ramps, and during turns. One owner was doing 30 mph when the transmission went into neutral on its own. Another lost power on an interstate 900 miles from home. A third had oncoming traffic dodge the disabled vehicle. These aren't minor glitches—they're stranding owners with families in the car and no safe place to stop.
The root issue appears tied to the hybrid system. Owners report high-voltage battery errors paired with cooling failures, battery charging past 100%, and coolant or electrical smells. One service shop found a misrouted wiring harness and noted BMW had issued a service bulletin for this exact defect six months before the vehicle's production date—yet it still shipped with the fault. Dealers have tried software resets and part replacements, but the failures recur.
A secondary hazard: the regenerative braking recall remains unresolved with no timeline given. One owner also reported rough hesitation when the car switched from battery to gas engine at highway speed, nearly causing a crash. A third owner hears a whistling sound from the bell housing at low RPMs but was denied authorization for actual diagnostic inspection. The pattern suggests systemic assembly and design failures that dealers alone cannot reliably fix.
Same BMW X5 powertrain reports on nearby years: 2021 · 2022
Failure modes owners describe
Drivetrain malfunction—sudden loss of power
Vehicle loses all or most engine power mid-drive, triggered by an error message stating 'Drivetrain Malfunction' or 'Drive Train Failure'. Transmission may disengage, shift to neutral on its own, or engine may stall. Car becomes undrivable and requires towing. Owners report this hazard occurs without warning while on highways, ramps, city streets, and during turns, creating imminent collision risk.
When: Range from under 2000 miles to 14,065 miles; incidents reported at various times including summer heat conditions
Symptoms owners cite: Sudden loss of engine power mid-drive; Drivetrain Malfunction error message; Transmission shifts into neutral without driver input; Engine stall; Vehicle goes into limp mode; Vehicle will not restart or immediately returns to Park; No warning prior to failure
Codes mentioned: Drivetrain Malfunction, High Voltage Battery Error, High Voltage System Error, Drivetrain Power Supply Malfunction
Repairs/costs cited: Dealership software updates applied; misrouted wiring harness repaired in one case; EGS diagnostics inconclusive in another; mechatronics parts replacement needed (some parts requiring shipping from Germany); issue may recur even after repair attempts
Recalls/TSBs owners mention: BMW issued a service bulletin addressing misrouted wiring harness 6 months prior to vehicle production; some owners report BMW has denied buyback requests; dealers report being unable to determine root cause in some cases; BMW has refused to publish a TSB according to one owner
High voltage battery and cooling system faults
High voltage battery system generates errors, often paired with cooling issues. Battery continues to charge past 100% instead of stopping; coolant smell detected in cabin ventilation and hot electrical smell after charging or during regenerative braking on mountain descents. Check Engine lights appear along with drivetrain errors. Issues stem from battery cooling malfunction triggering cascading system failures.
When: Multiple occurrences over 10 months of ownership; summer heat conditions cited as trigger
Symptoms owners cite: High Voltage System Error message; High Voltage Battery Error; Check Engine light (multiple instances); Battery charging continues past 100%; Coolant smell in cabin ventilation; Hot electrical smell after charging; Hot electrical smell during regenerative braking descent
Codes mentioned: High Voltage System Error, High Voltage Battery Error, High Voltage Fault, Check Engine Light
Repairs/costs cited: Evaporative container replaced in one case; system resets applied by dealer without lasting resolution; parts require identification and sourcing
Recalls/TSBs owners mention: BMW NA denied buyback request in one case; owners report asking for service bulletins with no resolution
Misrouted wiring harness—powertrain assembly defect
Wiring harness incorrectly routed during vehicle assembly, causing repeated drivetrain malfunctions within short timeframes. BMW had issued a service bulletin addressing this known assembly issue 6 months before the affected vehicle's production date, yet the vehicle left the factory with the same defect, indicating a manufacturing control failure.
When: Detected within 8 days of multiple failures; at approximately 12,000 miles
Symptoms owners cite: Drivetrain malfunction—repeated instances; Vehicle enters limp mode unexpectedly; Loss of power
Codes mentioned: Drivetrain Malfunction
Repairs/costs cited: Wiring harness repaired at dealership; technician confirmed BMW had released service bulletin 6 months before vehicle production addressing same issue
Recalls/TSBs owners mention: Service bulletin issued 6 months prior to vehicle production but not applied during assembly
Rough idle and engine hesitation—hybrid switchover malfunction
When vehicle switches from battery-only operation to combustion engine, car hesitates, drives roughly, and loses speed abruptly. Issue occurs at highway speeds. Dealers initially misdiagnosed problem as water in engine or fuel contamination, but issue persists despite service attempts. One dealership reported its hands were tied by BMW North America's prior documentation.
When: Started within couple weeks of purchase
Symptoms owners cite: Hesitation when engine engages; Rough driving when engine switches from battery to combustion; Abrupt speed loss on highway during switchover; Car drives rough during combustion engine operation
Repairs/costs cited: First dealership claimed water in engine; second dealership performed work but said hands were tied; issue persists
Recalls/TSBs owners mention: BMW North America provided no clear resolution; referred owner back to dealership
Bell housing—whistling or metallic noise at low RPMs
Bell housing emits a whistling or rusty tricycle-like sound at low RPMs (1500–2200 rpm, typically under 30 mph). Dealership kept vehicle for 30 days, concluded sound was normal by comparing to other vehicles, but refused to authorize physical inspection of bell housing, torque converter, or flywheel to determine actual cause. Root cause remains undetermined; potential safety hazard if powertrain component failure occurs.
When: Low RPMs 1500–2200 rpm / under 30 mph
Symptoms owners cite: Whistling sound from bell housing; Rusty tricycle-like sound at low RPMs
Repairs/costs cited: Service shop wanted to remove transmission and inspect torque converter and flywheel but BMW would not authorize the work; sound replicated in other vehicles so dealership deemed it normal without inspection
Recalls/TSBs owners mention: BMW refused to authorize physical inspection or diagnostic work, claiming noise is normal when replicated in comparison vehicles
Regenerative braking system—ongoing unresolved safety recall
Vehicle is subject to an active safety recall for the regenerative ABS braking system with no available remedy at time of complaint. Owners report they cannot resolve the issue despite multiple service visits and requests for recall completion.
When: Ongoing; no timeline for resolution
Symptoms owners cite: Regenerative braking system malfunction message; Brake system unable to be fully repaired during recall service
Codes mentioned: Regenerative Braking System Error
Repairs/costs cited: Dealership completed software portion of recall but not mechanical components; mechanical repair still pending
Recalls/TSBs owners mention: Active unresolved safety recall; no remedy currently available; BMW has not provided timeline for resolution
Synthesized from 15 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
2024 July summer time, the compressor started same issue as the temperature increased. All of a sudden, the car was started showing major “drivetrain error” and “high voltage battery error”. I have taken the car again back to the same dealership and this time the car was starting to show major system failures. I have kept BMW in the email loop and at the first instance itself I have called out…
Had powertrain trouble with your 2024 BMW X5?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2024 BMW X5?
It's a documented issue but not catastrophic. 15 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2024/BMW/X5.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.