Electrical System Problems of BMW X5 - part 1

2025 BMW X5. . . Warning lights appeared and voice said emergency stop. . . Emergency stop and tried to pull me off the road. Shut down the vehicle for a while. . . And started up. Finished errands. Got home. Vehicle would not start in the morning. Dealership said it was an issue with the braking system. . . Electronics and dead battery . Said repaired. Got it back. Happened again. . . But got it going. Dealership said if it happened again. . . Press the gas pedal and it would clear up the problem. Recent issue August 18, 2026. Vehicle would not start. Got a jump and emergency lights again. . Emergency stop. Vehicle towed to dealership. Was told it had faults with the brake control unit. Believed to be fixed but further testing to make sure. I'm worried this will happen on highway or the vehicle is not sellable if I ever want to sell or trade it in.

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I was driving at 70 mph on the highway when the car suddenly and without warning went into neutral, lost all functionality, and displayed the warning "drivetrain malfunction--stop driving immediately--call roadside assistance. " I had to drift (barely) to side of a busy highway and exit the vehicle to get to safety. The dealer review of fault codes include: high-voltage system: no voltage established; no communication possible with: accumulator-management electronics; sme: software action required; function: acceleration not possible; function: it is not possible to establish the drive-ready state; drive function: repair measure will soon be necessary. This happened on xxx around noon on xxx in [xxx]. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

The high-voltage battery system (this is a plug-in hybrid) began intermittently displaying a "battery not properly charging" warning approximately 6 months ago; the issue would resolve after plugging in and charging. On July 14, 2026, while driving, the vehicle displayed a "critical battery failure - pull over immediately and drive slowly" warning. The driver pulled over and shut off the vehicle; the warning cleared and the car appeared to drive normally afterward. This warning recurred several times over the following weeks under the same pattern. On August 6, 2026, the same critical battery failure warning appeared while driving; this time steering feel and drivetrain response were abnormal, and the air conditioning and several electronic features stopped working. Our safety, and the safety of other drivers on the road, was put at risk by the sudden loss of full vehicle control while in motion. The vehicle has been at an authorized BMW dealership for inspection since August 7, 2026; a full diagnosis is pending. Dealer service staff independently remarked that two other BMW x-series plug-in hybrids came in that same morning with the identical warning and symptoms, suggesting this may be a widespread component defect rather than an isolated issue.

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I have a 2026 BMW X5 50e. I experienced the same malfunction twice in the same day. The first occurrence was when I was taking my husband to a doctors appointment. While parking the car and when I was almost at a stop the vehicle lurched forward and was stopped by the concrete curb. My husband asked me what happened and I said I don’t know. The second occurrence was about two hours later after visiting a second doctors office I headed to a lunch spot. I pulled into a parking spot and had come almost to a stop and once again the vehicle lurched forward with an even more powerful sudden acceleration. The vehicle struck a metal railing, bordering, an outdoor dining area. Once the railing was hit it pushed into a large freestanding metal continuous privacy panel. The privacy panel collapsed on people and caused multiple injuries. This incident endangered the safety of myself and the safety of many others. There were multiple injuries. I have not yet had the vehicle inspected by a third-party. I received no warnings on the car or through the app prior to the failure. These incidents occurred on July 31, 2026 between 10 am and 12 pm. I have read and saved the error codes available on the car. There may be some that are associated with the incident. Also of note the incident occurred several days after a software update on July 26 at 1:30 am.

The drivetrain warning light came on shortly after I started the vehicle. I noticed acceleration issues both while driving on side streets and on the freeway. I took the X5 45e into the repair center the day after the notice came on especially given the experience on the freeway, which happened during rush hour traffic. Upon inspection, I was told the starter was beginning to fail and that while there had been a recall on starters on many other BMW models, it did not include the X5 45e. BMW advised I replace the starter immediately due to safety, which cost $2,600. Two weeks later, the same drivetrain light has come on and the X5 is back at the service center for diagnosis.

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Summary of the problem: intermittently, after starting the vehicle, the center infotainment display becomes stuck on the BMW startup logo and never completes the boot process. The condition persists while driving. Safety risk: when this occurs, the rearview backup camera is unavailable when the vehicle is shifted into reverse, reducing rear visibility and increasing the risk of a backing collision. Other infotainment functions are also unavailable. Frequency: intermittent. The issue has occurred multiple times. Conditions: the issue occurs at vehicle startup. No specific weather or operating conditions have been identified. Troubleshooting performed: * restarted idrive by holding the audio volume/power button for approximately 30 seconds. The system restarts but remains stuck on the BMW startup logo. * the only reliable recovery is to lock the vehicle and leave it undisturbed for approximately 30 minutes or longer. After the vehicle enters sleep mode, the system functions normally again.

My 2026 BMW X5 xdrive50e experienced a serious freeway safety event involving loss of braking/brake power, loss of vehicle power/functionality, and multiple vehicle warnings/errors. The incident occurred while I was driving on the freeway and substantially affected my ability to safely operate the vehicle. BMW emergency services subsequently towed the vehicle to irvine BMW on 07/09/2026. Irvine BMW later attributed the event to emergency stop assist (esa) and the driver monitoring system (dms), rather than identifying a mechanical brake failure. Its written explanation states that esa can take over vehicle guidance and decelerate the vehicle using multiple short braking jolts. The dealership reported a stored dms fault but stated that it could not duplicate my reported condition. I have not been provided evidence that the original freeway event was reproduced or that its cause was conclusively established. Irvine BMW initially represented that material covering the display was an aftermarket screen protector and stated that BMW technical required its removal because it could interfere with the dms camera. On 07/27/2026, the general manager apologized and confirmed that the material was actually original BMW transportation protection film. The dealership also proposed reducing esa sensitivity as an alternative. I remain concerned that the combination of loss of braking/brake power, loss of vehicle power/functionality, and the reported esa/dms behavior may represent a serious safety defect or malfunction affecting braking, vehicle control, or driver-monitoring systems. I kindly request that NHTSA review this reported safety event, including esa, dms, related vehicle-control systems, and the interaction with the display/driver-monitoring system, and determine whether further investigation is warranted. I can provide dealership records, BMW app data, communications, and diagnostic documents.

On July 6, 2026, while my brand-new vehicle (purchased June 10, 2026) was stationary and preconditioning, the high-voltage drivetrain and climate control networks suffered a catastrophic synchronization failure. The vehicle’s internal communication bus network completely crashed, causing the sme (battery management system) and ihka (climate control) modules to stop communicating. This software/hardware network dropout left the high-voltage electric ac compressor running entirely unmonitored. As a direct result of this uncontrolled loop, the undercarriage of the vehicle physically froze into solid blocks of ice, fluid rapidly dumped onto the pavement, the malfunction indicator light illuminated, and the battery management system triggered an emergency hard-fault safety lockout. This digital lockout instantly stripped away 75% of the high-voltage battery's usable range, dropping it from 38 miles to 9 miles in a single millisecond to prevent a catastrophic thermal event. During this component failure, the high-voltage compressor was audibly grinding and suffering heavy mechanical strain due to liquid refrigerant slugging. This presents an extreme, unreasonable public safety risk. A sudden high-voltage network crash and sudden loss of 75% of battery range while driving on a highway would result in an instantaneous, uncommanded drop in vehicle propulsion, placing passengers at risk of a severe rear-end collision. Furthermore, the complete loss of climate module communication controls the battery pack's thermal management/chiller plate; an unmonitored thermal loop on a lithium-ion hybrid battery is a distinct fire hazard. This is a documented, recurring issue affecting the BMW X5 xdrive50e platform, and a federal safety investigation/recall is required before an owner suffers an accident or thermal fire.

A manufacturer defect caused connector pin corrosion and thus the head unit dash stopped working completely and needs to be replaced. The head unit is what the back up camera comes through causing safety concern. It is no longer under warranty because of the miles, otherwise yearwise it would be. BMW won’t provide any good will assistance. This happened in 2026 on a 2023 model year. It has been brought to a BMW service center with a quote of over 6k to fix. No warning symptoms.

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I always service and baby my vehicle. Had recently got starter recall & fresh oil change done 2 months at my local BMW atlantic city NJ dealership. On June 27th, as I was driving the vehicle normally a message popped on the dash stating engine oil is at a minimum level, add 1 liter of engine oil, refill oil immediately. So I went to my earliest autozone bought quart of mobile 1 oil and refilled it. After that the warning message went away and came felt fine. Unfortunately the next day same message popped up, so drove over to BMW service to get diagnosed. Due to the computer system in the vehicle not being able to read the oil level measurement. It would go from 0-18% oil level reading then message would pop up saying unable to read to try again or make sure vehicle is on ground level which I made sure it was. So next day I dropped it off at BMW dealership for diagnosing. After 1 day and half they came to the conclusion that it is a bad oil pump and wants to charge $6,362. 31 for repairs. Advisor stated its due to older gen BMW b58 engines using plastic oil pumps inside which causes to break and cause leaks. So they are aware its an common issue but won’t do an recall or service bulletin to fix issue which is very dangerous because the engine could seize up and stall anytime I’m driving around due to not knowing the oil level measurements. It is super risky and unfair for consumers to pay for such a big bill repair. I hope there is recalls or something to help remedy this cause for current & future BMW affected vehicles. BMW is aware of this issue but won’t resolve it.

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The vehicle is at a&l motors in monroeville PA. The vehicle has suffered a catastrophic, cascading electrical failure caused by a known manufacturing defect in the roof antenna seal. Rainwater entered the vehicle through the defective shark fin antenna seal and flooded the telematics control unit(tcu). Because the tcu communicates directly with the main idrive head unit via the vehicle's most/bus central data network, the water-damaged tcu short-circuited and flooded the network with corrupt electrical data, hard-bricking the idrive system. A dealership engineer confirmed that water did not physically touch the head unit, eliminating user-error fluid spills. This cascading electrical failure has completely disabled vital safety systems, including the backup camera, forward collision driver-assist radar warnings, blind-spot monitoring alerts, and critical dashboard diagnostic notifications, creating an immediate highway safety hazard. Simultaneously, the active grille shutters (active air flaps) failed due to a defective internal actuator motor, creating a severe risk of sudden engine overheating and thermal shutdown. This component is under a 150k mile manufacturer warranty extension(sib01 12 19 and later sib01 03 25). BMW of north America claims manager joe 1-800-831-1117ext1427 has issued an arbitrary final denial for these repairs based on a hearsay rock wedged/strike despite no apparent physical damage and zero photographic evidence. BMW is actively evading its extended warranty obligations for the air dam and a pending class-action settlement framework (craft v. BMW na) on the idrive components. Additionally, this vehicle is actively subject to the critical BMW starter motor overheating fire risk recall NHTSA campaign no. 25v644/26v056. The dealership is unable to complete this urgent fire-safety remedy due to the same bricked idrive unit. Grounding an owner in an un-safe car with a bricked safety display and an outstanding unremedied recall.

The driver's odometer and vehicle status screen intermittently blacks out, whereby not showing the speed of the vehicle and any driver warnings. It appears that this may a design issue associated to thermal events (I. E. , perhaps the screen is overheating when the outdoor temperature rises to 33 c or more). I have taken my vehicle to the BMW dealership in chandler, arizona, so they believed reprogramming was the solution. Shortly thereafter, the screen blackout condition manifested again. I strongly suspect that this is a design safety issue. I am very concerned that BMW didn't properly validate their design nor did have sufficient thermal relieve solutions for higher than normal temperatures.

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The driver’s door lock has malfunctioned for the second time. The door became stuck in the locked position and could not be opened normally. There were no warning lights or messages indicating a problem with the door latch or lock system. This creates a serious safety hazard because the driver could be unable to exit the vehicle during an emergency. The right rear passenger seat belt also does not retract properly and cannot be used. The vehicle has previously been taken to a BMW dealership for this same issue, but the problem has returned. Because the seat belt cannot be used, a rear passenger cannot be properly restrained, creating a significant safety risk in the event of a crash.

The air conditioning fan has five fan beats starting with extra low, low, medium, high and extra high. The extra low is too low, but when you turn the fan speed up to one, it becomes as loud as the highest setting often sounding way too loud where it is hard to hear anything. Causes a problem then when adjusting buttons to get it to your temperature, especially while driving on an expressway. Vehicle was taken in and looked at by the dealership, but returned with the same issue and issues have also been reported online by various owners of the vehicle.

Auto start/stop button needs to be pressed three times to start the vehicle.

I own a 2012 BMW X5 that is experiencing a footwell module (frm) failure. BMW issued an extended limited warranty for the frm extending coverage to 15 years or 186,000 miles. My vehicle falls within those limits. The frm failure has rendered the headlights, high beams, turn signals, brake lights, and power windows inoperative. As a result, the vehicle cannot be safely operated on public roads. Other motorists may not be able to see when the vehicle is braking or turning, creating a significant safety concern. BMW of brooklyn and BMW of north America have informed me that I must pay a $360 diagnostic fee upfront before they will determine whether the repair is covered under BMW's frm extended limited warranty. BMW's warranty letter states that the frm warranty is subject to the same eligibility requirements and limitations as the BMW new vehicle limited warranty. In my view, requiring a substantial upfront diagnostic fee to evaluate a known defect covered by an extended warranty creates an unreasonable barrier to obtaining warranty repairs. I understand diagnostic charges may be appropriate if the failure is ultimately determined to be unrelated to the frm. However, I do not believe owners should be required to pay a significant upfront fee simply to determine whether a known and potentially covered defect qualifies for warranty coverage. I respectfully request that NHTSA review both the safety implications of frm failures and BMW's administration of this warranty program.

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The contact owns a 2026 BMW X5. The contact stated that while attempting to start the vehicle, several warning lights illuminated, and the steering wheel seized. The vehicle was towed to the dealer, where it was diagnosed with an incomplete software update. The contact was informed that the software update needed to be performed. The vehicle was repaired. The contact was dissatisfied with the failure and the diagnostic result. In addition, the contact stated that the system should have reverted to the original software. In addition, the contact stated that if the vehicle was in drive, the failure could have resulted in a serious situation. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 3,000.

The contact owns a 2020 BMW X5. The contact received notification of NHTSA campaign number: 25v644000 (electrical system); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.

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I purchased my 2024 BMW X5 new at BMW alexandria, virginia it’s have approximately 34,000 miles . I have taken X5 into dealer warranty repairs regarding malfunction emergency call system since may 2026. Total 3 visits to dealer to resolve this issues has been unsuccessful in resolving the issues . At the moment ,‘‘quote’’from dealership below: the shop foreman has opened the tasara case on the vehicle. . . . And has sent the information to the head engineer of BMW of north America. We are waiting on a response at to what to do with the issue that we have. . . . It may need a new huh module . On two additional separate visits 2 tcu or TSB modules and 1 wiring harness were replaced. On 06/30/26 dashboard warning emergency call malfunction reappear again. There are numerous complaints regarding this issues online forum . BMW should take responsibility in resolving this matter maybe it’s in need of a major recall . Furthermore , defects in the emergency call system may result in loss of life / injury what the system was designed features. When I made my purchase on this X5 BMW I was believing its was reliable and trustworthy had me thinking otherwise. 7/14/26 gotten call today from service advisor they may not be able to resolve issue and mentioned option but didn’t go into details . Afterwards received 2nd text from my service advisor case would be expedited to head engineer of BMW . Wondering what next ??.

Electronic shifter goes out when exposed to moisture. . We had the vehicle detailed and it will not move after apparently some moisture got into the shift know that is located next to cup holders. . BMW will not warranty the part and acknowledge it is an issue. . Luckily we have an extended warranty that is covering the 2500. 00 part.

2021 BMW X5 xdrive45e phev, built October 2020 by BMW ag (germany). In-service oct 28, 2021. Vehicle intermittently shows "drivetrain malfunction — you can continue driving" warning. Dme scan reveals 5 fault codes, all for the conventional 12v pinion starter: 21a50a — pinion starter: timeout occurred several times in succession 21a511 — pinion starter: timeout 21611a — pinion starter: starting torque could not be built up; high counter torque and/or undervoltage 216119 — pinion starter: line break in starter control (kl50/kl30) 216115 — pinion starter: attempt to start with blocked starter detected 21a50a and 216115 are protected memory codes that cannot be cleared by standard obd-ii tools. The main 12v agm battery was replaced and registered; codes continue to recur. This signature matches the b58 pinion starter defect addressed in NHTSA recall 24v-576 (Aug 2024) and 25v644 (Nov 2025, physical starter replacement). The vehicle's german manufacture date falls inside the production windows of kba recalls 15630r, 15632r, and 15633r — all covering X5 g05 for short-circuit and fire risk from starter relay corrosion or inadequate mounting. BMW ag has issued an adac advisory not to leave affected vehicles running unattended after starting. BMW na customer relations was contacted. Initial verbal response: u. S. Recalls don't apply because the xdrive45e phev uses a different starter than non-hybrid b58 vehicles. However, codes 216115 and 216119 only exist on vehicles equipped with a conventional pinion starter — confirming this vehicle has the same component. The subsequent written denial pivoted to warranty expiration without addressing the technical or recall-scope questions. Filing so the field record reflects this defect signature for future u. S. Recall scope expansion analysis.

During the last service at the dealership. While they are replacing the battery, they found a melted bolt on the auxiliary battery that causes a loose cable connection and informed me that its a fire hazard. The car has 85k at the moment and all services were done at the dealership. No incident or any repairs. This is not a wear and tear. How can a bolt just melt. It might even melted a while ago and putting drivers in hazard without know because they would not noticed this unless a battery is getting replaced.

With 1900 miles since purchase, car became undriveable. Displayed warnings included “high voltage failure” and “drivetrain malfunction”. Car had to be towed to dealer.

The contact owns a 2019 BMW X5. The contact stated that while driving at an undisclosed speed, the vehicle unexpectedly overheated, and the engine temperature warning light illuminated. The vehicle was taken to a dealer, where it was diagnosed that the coolant line to the cylinder had failed and needed to be replaced. The vehicle was repaired. The contact later received notification of NHTSA campaign number: 25v644 (electrical system). The manufacturer was not made aware of the failure. The approximate failure mileage was 101,187.

The starter on my BMW failed, and it overheated and damaged my alternator to the point that I needed to replace it. The dealer and independent service center confirmed that this was the cause, but BMW is refusing to reimburse the cost of the alternator replacement. I was at the exit of a highway and could not even put the car in neutral, so my safety was significantly at risk.

The contact owns a 2016 BMW X5 phev. The vehicle was serviced under NHTSA campaign number: 24v608000 (engine and engine cooling, electrical system), but the failure persisted. The contact stated that a month after the repairs were completed, the coolant connector would stay on and drain the battery. The contact stated that after the vehicle was turned off at night, the coolant connector overheated and the battery drained. The contact needs to jump-start the battery every day. The vehicle was taken to the dealer, and the dealer refused to repair the vehicle, stating that it was already repaired. The contact stated that the coolant connector damaged the eme (electrical machine electronics). The dealer confirmed that the problem may be eme. The vehicle remained at the dealer unrepaired. The contact stated that the failure is worsening. The manufacturer was not made aware of the failure. The failure mileage was 114,865.  .

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Emergency call system malfunction. Vehicle available for inspection. Warning appears and verified by dealer as common issue with vehicle type due to shark fin antenna seal leaks, causing corrosion in the module when in contact with water (including rain). Cause loss of gps and wireless capability.

1 - parking brake inoperative - unable to disengage parking brake: recalled part for same year/make/model (different production month in recall) NHTSA safety recall omb control 2127-0004 2 - air conditioner (evaporator failure) - releasing chemicals from enclosed hvac system: common knowledge failure point, requires entire dashboard disassembly w/high labor cost unsafe driving conditions in excessive heat (las vegas, local area driven) history: August 2025 - parking brake stopped working: I obtained a diagnosis from independent service shop stating the center console control panel - containing the body domain controller (bdc) requires replacement. The parking brake is currently inoperable under NHTSA safety recall omb control 2127-0004 - part 573 safety recall report 18v-732: this specific part for this specific vehicle (year, make and model) has been recalled under a different production month. March 2026 - air conditioner failure: the a/c system stopped working (blowing hot air only). I filled the a/c system on 3/12/2026, and within 2 weeks the system chemicals had been released into the environment due to a leak in the evaporator. The evaporator was diagnosed by two (2) independent mechanics as the failure point of the ac system. The air conditioner is currently inoperable and I reside in las vegas - temperatures average well over 100 degrees and we are approaching summer. Common knowledge failure point: a/c evaporator - located deep within the dashboard at the firewall, requiring an interior disassembly - skilled labor and time manufacturer's defect: upon research, these are very common failure point as a result of the improper engineering of the ac system on this particular vehicle.

On March 9, 2026, I brought the vehicle to BMW of fairfax for a scheduled appointment. In the week leading up to the visit, the vehicle intermittently failed to start and required jump-starting using a portable battery starter. Despite this issue, the car drove normally, showed no warning lights or error messages, and had approximately 69,000 miles on the odometer at the time. After jump-starting the vehicle, I personally drove it to the dealership. I paid for a diagnostic evaluation and also authorized completion of a minor recall. Two days later, I was informed that the vehicle was no longer able to shift into gear and was now completely inoperable. I was told I would be responsible for towing the vehicle off their premises. According to the service department, the vehicle now requires replacement of the eme module, at an estimated cost of $12,000. This assessment was particularly troubling because the vehicle was fully drivable when it arrived at the dealership. At no point prior to service did the car have difficulty shifting into gear. It is deeply concerning that the vehicle became a “brick” while under the care of an authorized BMW service center, with no accountability taken for what occurred during their diagnostic process.

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The contact owns a 2021 BMW X5. The contact stated that while driving at an undisclosed speed on the highway, the vehicle shut off. The vehicle was pulled off to the side of the road, but failed to restart after several attempts. The vehicle was towed to a local dealer, where it was diagnosed with starter failure. The dealer referenced NHTSA campaign number: 20v761000 (electrical system); however, the VIN was not included in the recall. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 30,000.

While driving, the vehicle displayed a 'drivetrain malfunction' warning on the dashboard and began jerking. I safely pulled over and turned off the vehicle. Immediately after stopping, there was a distinct, strong electrical burning smell coming from the engine compartment. The vehicle was inspected by an authorized BMW dealership. The dealer diagnosed a catastrophic failure of the starter motor. The vehicle's computer logged fault codes 21611a (excessive counter-torque), 21a511 (start system: timeout), and 216119 (line disconnection). These codes confirm the starter motor suffered a severe electrical overload and thermal event. This premature failure and fire hazard identically matches the safety risks outlined in BMW's recent massive starter motor recalls (such as NHTSA recalls 25v-636 and 26v-056), but my specific vehicle is currently excluded from those recall campaigns. The starter requires complete replacement due to this overheating damage.

The seal on the sunroof of the car allows water into the car. My car will be available for inspection upon request. This issue allows water into the car around the b pillar airbag and the side window airbag which can damage the airbag and make it deploy without any accidents or make them not deploy in the case of a accident. BMW has an internal document in which acknowledging the issue with the seal but even though they recognize placing a defective part on the vehicle. They will not assume the cost of the repair if outside DE 50k miles warranty. In order for the dealership to take a look at the issue an 200 dollar diagnostic is required but I was informed that if they determined that the issue on hand is due to the defective part. I will still have to pay for the repairs. There weren’t any other signs before the incident.

The contact owns a 2021 BMW X5. The contact stated that while starting the vehicle, the push to start button failed to function as intended. After several attempts, the vehicle started. The drivetrain warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed, and determined that the starter had failed and needed to be replaced. The dealer informed the contact to cease driving the vehicle due to safety concerns. The vehicle was not yet repaired. The vehicle remained at the dealer unrepaired. The manufacturer was notified of the failure. The failure mileage was 47,600.

The vehicle is exhibiting symptoms that are identical to those described in NHTSA recall 25v556 — water intrusion through the windshield and a-pillar area. The recall documents that improperly sealed windshields can allow water to enter the power distribution box and electronic control unit, leading to a short circuit and, in extreme cases, a thermal event even when the ignition is off.

The contact owns a 2020 BMW X5. The contact received notification of NHTSA campaign number: 25v644000 (electrical system); however, the part to do the recall repair was not yet available. The dealer was contacted and confirmed that parts were not yet available for the recall repair. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.