What 95 owners told NHTSA about the 2021 BMW X5

I am having issues with the starter motor / battery. I have read extensively about issues with BMW X5 models having recalls during the production period of my vehicle. BMW is trying to charge $3,000 for a new starter and battery. I feel that this is a known and significant issue with BMW X5 vehicles produced during the same period as my vehicle and would like for this to be covered under recall.

NHTSA ODI 11746875

The vehicle's HVAC system failed due to a leaking air conditioning evaporator core. This single component handles both cabin cooling and the windshield defrost/defog function, so its failure compromises a safety-critical visibility system in addition to climate control. The failed component is available for inspection upon request. Safety risk: The vehicle is operated primarily in Florida, where ambient temperatures regularly exceed 95°F and interior cabin temperatures without functioning AC can exceed 130°F. Operating a vehicle in these conditions causes driver fatigue, reduced reaction time, and heat-related illness — all of which compromise safe vehicle operation. Loss of the defrost/defog function also creates a visibility hazard in the humid and rainy conditions common to the region. Vulnerable passengers including children and elderly riders are at additional risk of heat-related illness. Confirmation: The failure was diagnosed and confirmed by an authorized BMW dealer service department as a leaking evaporator core requiring complete dashboard removal to repair, with a quoted repair cost in the multiple thousands of dollars. Inspection: The vehicle has been inspected by the dealer only. It has not been inspected by the manufacturer, police, or insurance representatives. Warning indicators: No warning lamps or dashboard messages appeared prior to the failure. The first symptom was sudden loss of cabin cooling from the AC system. Critical context: This failure occurred at only 12,500 miles on a five-year-old vehicle that has been driven an average of approximately 2,500 miles per year. AC evaporator cores are not wear items and should not fail under any reasonable use conditions at this mileage. This is a widely documented defect pattern affecting 2019–2026 BMW G-series vehicles (X5, X6, X7, and Alpina XB7). Numerous owners across multiple model years have reported identical premature pinhole evaporator leaks at low mileage. The leading technical analysis attri

NHTSA ODI 11740008

The vehicle’s rear differential has developed significant internal "play" (excessive clearance between gears). This defect manifests as abnormal vibration and inconsistent power delivery to the wheels. The vehicle was inspected by an authorized BMW Technician at Passport BMW . Although I reported hitting a curb (low-speed impact), the official diagnostic report from the BMW Technician explicitly stated that the curb impact did not cause the differential failure. The technician identified the issue as a failure of the internal differential components, which is consistent with numerous reports of drivetrain defects in the B MW X5. Despite the vehicle being well under the 50,000-mile warranty threshold and the technician’s own finding that external damage was not the cause, BMW is currently refusing to honor the warranty repair for this critical mechanical component. I purchased the vehicle in March 2025 Certified Pre owned.

NHTSA ODI 11738996

After the car was.parked in sun for aome time during shopping at Costco, it did not start. We had to use remote starter which worked. However, upon doing some research I found that overheated starter is a known and recalled problem with 2021 X5 and remote start could have caused fire. Dealership also confirmed it to be the smae pronlem , but BMW has not listed this vin as recalled. I contacted BMW and they denied that it was same.problem, although mine is also 2021 X5 with smae.overheated starter problem.

NHTSA ODI 11738795

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.

NHTSA ODI 11738107

The contact owns a 2021 BMW X5. The contact stated that while driving at an undisclosed speed, the air bag warning light unexpectedly illuminated. The vehicle was taken to the dealer where it was diagnosed that the air bag had failed and that the air bag and/or the sensor needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA hotline for further assistance. The failure mileage was approximately 63,382.

NHTSA ODI 11736074

Front Differential - Repair/Replacement on 2021 BMW X5 M50i. Extreme safety issue. Ironically failed right after 50k warranty. Currently at 50742 miles. Brought vehicle in 6 different occasions in the last year and a half. One time for a similar issue (approx. 1 year ago) and instead of addressing the problem at the time they just replaced the transfer case, masking the root issue and pending complete failure of the system.

NHTSA ODI 11734778

Water pump failed while driving on highway. Completely shut down and began to smoke violently. Luckily wife was able to pull over immediately without crashing. Wife and children very disturbed. Looked up issue and 720000 BMW x5 have been recalled with same exact issue. Ours is not. Why?????

NHTSA ODI 11734883

The original B58 engine (B58B30M0, 2015–2017) utilized a conventional mechanically robust gerotor oil pump with predominantly metallic internal construction and demonstrated strong reliability in field operation. Beginning with the B58 Technical Update introduced for 2018 production (B58B30O1), BMW redesigned the lubrication system by integrating the engine vacuum pump and oil pump into a combined variable-displacement assembly. This redesign introduced a thermoplastic internal adjusting ring (carrier) responsible for regulating oil pump displacement through rotor eccentricity control. This component, constructed from reinforced thermoplastics including PA66-GF materials, operates within a chemically aggressive and thermally cyclic environment involving continuous exposure to engine oil additives, fuel dilution, condensation, and repeated heat cycling. While acceptable under accelerated validation testing, real-world operating conditions increasingly demonstrate premature degradation consistent with polymer embrittlement and fracture. Observed Failure Mode Documented owner and technician reports indicate that under cold-start conditions — particularly in sub-freezing climates — elevated oil viscosity and startup load impose increased mechanical stress on the thermoplastic carrier. Fracture of this internal component allows debris intrusion into the pump mechanism, resulting in unstable oil pressure regulation. Commonly reported precursor symptoms include: • Inability to perform electronic oil level measurement via iDrive • Erratic or oscillating oil pressure behavior • Intermittent lubrication warnings or absence of warning prior to failure • Rapid progression to bearing damage and engine seizure In many cases, drivers receive insufficient warning before catastrophic lubrication loss occurs. Vehicles may become disabled without notice, including during highway operation or winter driving conditions, leaving occupants stranded in potentially dangerous environ

NHTSA ODI 11728431

See attached document for complaint.

NHTSA ODI 11728317

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.

NHTSA ODI 11722339

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.

NHTSA ODI 11719875

the vehicle delays to start and will not recognize that key is in the vehicle. the starter button has to be pushed three times until the vehicle recognizes the key is in the vehicle. the vehicle was inspected at a BMW dealership and no codes or errors were found. battery is still good but possible issues with the starter.

NHTSA ODI 11717419

The contact owns a 2021 BMW X5. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was not yet available. The contact stated that the VIN no longer showed the recall as being open. 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.

NHTSA ODI 11714543

The contact owns a 2021 BMW X5. The contact stated that while attempting to start the vehicle with the Push to START button, the vehicle failed to start. There was a clicking sound coming from under the hood. The failure was intermittent. The contact replaced the hybrid battery; however, the failure reoccurred. The contact stated that after several attempts, the vehicle started. The vehicle was taken to a dealer; however, the failure was not duplicated. The vehicle was taken to an independent mechanic, where it was diagnosed with a pinned-out emission circuit and starter failure. The contact was informed that the starter needed to be replaced. The vehicle was not repaired. The contact was informed of an unknown recall; however, the VIN was not associated with the recall. The vehicle was manufactured a month outside the date for the vehicles included in the recall. The contact was advised to contact the manufacturer and make the manufacturer aware of the failure. The manufacturer was made aware of the failure. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 60,000.

NHTSA ODI 11712989

The contact owns a 2021 BMW X5. The contact stated that while driving at undisclosed speeds, unknown warning lights illuminated on several occasions. The failure had occurred while driving and while restarting the vehicle. The vehicle was taken to a dealer, where it was diagnosed, and determined that the starter had failed and needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for further assistance. The approximate failure mileage was 44,000.

NHTSA ODI 11708344

I am writing to formally file a complaint and request an expansion of recall coverage regarding a starter motor failure on my 2021 BMW X5, which occurred at approximately 38,000 miles. Recently, my vehicle experienced a sudden failure to start. After inspection, the issue was diagnosed as a starter malfunction. I am aware that BMW has issued a recall addressing starter-related defects for certain vehicles of the same model year and configuration. However, I was informed that my vehicle’s VIN is not included in the current recall list. Given the relatively low mileage, the nature of the failure, and the existence of an official BMW recall for the same defect, I believe this issue represents a manufacturing or design defect rather than normal wear and tear. A starter motor failure at 38,000 miles is both unexpected and unacceptable for a premium vehicle such as a BMW X5

NHTSA ODI 11705036

In the middle of driving, multiple warning lights came on in the car and the steering became very stiff, which made it difficult to steer the car. We brought the car to the dealer service station and they identified that the crank pulley system had a failure and the vibration damper needed to be replaced. Apparently, this issue also resulted in the engine not properly charging the car battery, which also resulted in battery failure. This car only has about 38,000 miles on it and has been plagued by safety issues. The difficulty steering the car could have resulted in an accident on the road. This same car also had a water pump failure at approximately 35-36k miles that was separately reported to NHTSA previously.

NHTSA ODI 11704139

BMW 2021 X5 Engine starter failed. BMW South Miami dealership troubleshooting found the starter motor faulty and replaced it. This failure is NOT part of the current starter recall for BMW X5. (25V644000) My X5 maufactured date is June of 2021. I purchased the X5 In July of 2021. I paid $2166.35 for repairs and I am seaking a refund.

NHTSA ODI 11703980

I was driving 75mph on the highway and my sunroof exploded while driving. It sounded like a gunshot above my head and shattered while going 75mph. This vehicle and other bmws that share the same sunroof glass are not fit to drive on the road until investigated further. There has been recalls and lawsuits for this. This a supplier or install issue when the car was manufactured. It’s not safe while driving and the glass spontaneously combusts into a million pieces. I have contacted BMW NA and they stated there is nothing they can do about it. The service was paid for because I need a vehicle. I would like this investigated as a warranty claim so I can claim back the fees I have paid.

NHTSA ODI 11703190

The contact owns a 2021 BMW X5. The contact stated that while driving at various speeds, there was an abnormal grinding and clanking sound coming from the front end of the vehicle. The vehicle was taken to the local dealer, where it was diagnosed that the front differential was faulty and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 36,400.

NHTSA ODI 11701920

The vehicle shakes at low speeds with a jolt and vibration when turning. When I pressed the accelerator from a standstill, the gas pedal broke off from its floor mounted bracket.

NHTSA ODI 11698378

The contact owns a 2021 BMW X5. The contact stated that upon starting the vehicle, there was an abnormal sputtering sound coming from the vehicle. After several attempts, the vehicle was able to start. The vehicle was taken to the dealer, where it was diagnosed with starter failure. The contact was provided with the following DTC: 0012240600. The vehicle was not repaired due to the cost. The contact stated that the failure persisted. Upon further investigation, the contact associated the failure with NHTSA Campaign Number: 24V576000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING). However, the VIN was not included. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 55,000.

NHTSA ODI 11695040

The contact owns a 2021 BMW X5. The contact stated that while driving at an undisclosed speed, the coolant warning light illuminated with the message "Coolant Dangerously Low - Fill Right Away" displayed on the instrument panel. The message was displayed on several occasions. The vehicle was taken to a dealer where the dealer discovered coolant leaking from the bottom of the vehicle and diagnosed that the water pump needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure and informed the contact that the vehicle was no longer under warranty. The failure mileage was approximately 40,000. The VIN was not available.

NHTSA ODI 11693874

What component or system failed or malfunctioned, and is it available for inspection upon request? The engine/transmission mounts were diagnosed by Sterling BMW (Newport Beach, CA) as “sagging” and in need of replacement at only 38,437 miles. The components remain on the vehicle and are available for inspection. How was your safety or the safety of others put at risk? If engine mounts are in fact deteriorating prematurely, the drivetrain may shift during operation, affecting vehicle stability, steering alignment, and braking response. This could cause a sudden loss of control and create a hazard to occupants and other drivers. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. Sterling BMW performed the inspection on October 2, 2025, and documented the issue in their inspection report, listing “motor mounts are sagging” under “Needs Immediate Attention,” with an estimated repair cost of $2,301.12. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? BMW of North America was contacted on October 15, 2025. They verbally denied warranty coverage, refused to provide a written response, and did not investigate further. The issue has not been independently inspected by police or insurance representatives. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? No dashboard warning lights or messages appeared. The issue was only reported by the dealer during the October 2, 2025 service visit. I have not experienced noticeable vibration, noise, or performance changes that would typically indicate failed mounts. This raises concern that the diagnosis may either indicate a premature defect or an unnecessary upsell.

NHTSA ODI 11693718