28 of the
140 complaints filed about the BMW X4
are about the electrical system —
100% of everything owners reported.
The worst model year for it is 2018.
On 8/31/2026 this 2020 BMW X4 was serviced at an authorized dealer (BMW of Tyler) to execute the remedy for official NHTSA Safety Recall Campaign 25V-636 (Engine Starter Relay Fire Risk). INCIDENT DESCRIPTION: Within minutes of picking up the vehicle post-repair and entering an active roadway, the vehicle suffered an immediate, un-warned, total loss of all electrical power. The engine stalled, all digital dashboard instrumentation went black, and power steering/braking assistance were compromised. The vehicle came to a complete stop in moving traffic. The total power failure prevented the activation of hazard lights, rendering the blacked-out vehicle invisible to surrounding traffic and nearly causing a high-speed rear-end collision. The vehicle was towed back to the dealer center. TECHNICAL BASIS FOR DEFECT/WORKMANSHIP FAILURE: Campaign 25V-636 requires replacing or manipulating vulnerable electrical relay and starter assembly points tied directly to the main 12V electrical infrastructure and power distribution system. A total, sudden in-motion electrical blackout strongly indicates an open-circuit failure, improper terminal torque specifications, or damage to the adjacent Intelligent Battery Sensor (IBS) network occurring during the recall execution. The dealer is attempting to claim a coincidental "faulty battery" caused the in-motion shutdown to avoid workmanship liability. However, a battery failure does not completely choke out a running engine already under alternator load unless an open circuit or severe grounding fault is actively introduced. This incident represents a catastrophic failure directly following the execution of an official federal safety recall remedy.
NHTSA complaint #11761428 — an unverified report by a vehicle owner.
My 2025 BMW X4 xDrive30i is subject to NHTSA recall 26V438, reported 07/08/2026, covering an engine starter that can wear prematurely and, in an extreme case, overheat and cause a fire. My BMW account shows the status as Remedy Not Available. NHTSA's VIN lookup confirms the recall is incomplete with no remedy available. I am filing because there is no remedy for me to obtain. BMW has not released parts or a repair procedure. Owner letters were not scheduled to mail until 08/28/2026. I emailed my BMW service center requesting a parts availability estimate and received no response. I have not had a starter failure or thermal event. The safety concern is that I must keep driving and parking a vehicle with an acknowledged fire risk, indefinitely, with no repair available and no timeline for one. I also cannot get confirmation from BMW whether any park outside or do not drive advisory applies to my vehicle. Coverage of this campaign has been inconsistent, with some outlets describing a plug-in hybrid population affected by corrosion that carried park outside guidance. My vehicle is not a plug-in hybrid. I am concerned about the scale and repetition of this defect. This is the third BMW starter campaign in roughly twelve months, following an autumn 2025 action and a February 2026 campaign, with the affected population expanding each time. Recall 26V438 alone covers 318,495 US vehicles. Given that volume I expect parts to be rationed and my repair delayed well beyond a reasonable time. Separately, BMW Financial Services has declined to process a lease payoff quote, citing the open recall. The effect is that BMW is restricting my contractual rights over a defect only BMW can cure and cannot currently cure. The vehicle is available for inspection on request. No warning lamps or symptoms to date.
NHTSA complaint #11759605 — an unverified report by a vehicle owner.
The contact owns a 2020 BMW X4. The contact received notification of NHTSA Campaign Number: 25V636000 (Electrical System). The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was not notified of the issue. The contact had not experienced a failure.
NHTSA complaint #11718434 — an unverified report by a vehicle owner.
We heard a whining sound under the hood on November 1st, 2025. Prior to noticing this noise, there were no warming lamps or messages appearing. Following a short drive we smelled burning in the garage. We did not drive the vehicle the following day and intended to take it to our mechanic on Monday morning, the 3rd. Upon trying to start the car it was dead. We had to have it professionally jumped as standard jumping with our personal jumper cables would not start it. Our mechanic explained both the battery and the water pump would need to be replaced. Upon further examination, he realized that the cable or water pump harness that connects the two had been burned and discovered a recall on thousands of 2017/2018 X4 models. He called us and encouraged us to take it to BMW as he found the recall and assumed they would take care of it. Upon calling our local dealership, they looked up our VIN and said our model was not part of the recall. We proceeded with the repair as we had to have our vehicle. Once those parts were replaced, it was also discovered that the issue caused the entire DME/ECU unit to go bad. Our mechanic then ordered that directly from BMW. Once in he had it reprogrammed and we got the car back. We were without a vehicle for a month. We would ask that you please review this as it's clear, this was the exact issue that has affected thousands of other BMW X4 Models. It is a safety issue as we smelled the burning in our garage and learned later that it could have started a fire either while driving it or in our garage at home. Our VIN should be included in the recall. Upon calling BMW of North America Customer Service, they told us to file a complaint on nhtsa.
NHTSA complaint #11706580 — an unverified report by a vehicle owner.
The water pump was found to have extreme corrosion after several other components on the car were damaged from the coolant leak into the electrical system. The car was suddenly losing power while driving and the DME was smoking, potentially causing an engine fire. So far the water pump, Digital Motor Electronics (DME) and throttle body were replaced over a 15 day period in service. The day the car was picked up, the chassis stabilization light came on and the dealership was receiving codes saying multiple additional electrical systems are now triggering the codes. The car was back at the dealer for service and now they are saying even more systems have been damaged by the leak. There is currently a recall on the water pump for this model and year, although this exact VIN is not included in the recall. Initial overheat warnings came on July 22, 2025 just prior to the car going in the shop although the dealer didn't see that the car was overheating. The fault codes were coming up as electrical. Only the dealer has inspected the car thus far. I content this car should have been included in the recall for the water pump as the description of the recall fits the exact damage to the water pump in my car.
NHTSA complaint #11682608 — an unverified report by a vehicle owner.
Odometer Fraud. The contact purchased a 2023 BMW X4. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 52,000 and at the time of registration, it was discovered that the mileage was 90,000. The State of Mississippi advised the contact to reach out to the State of Tennessee for assistance.
NHTSA complaint #11677731 — an unverified report by a vehicle owner.
The contact owns a 2018 BMW X4. 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 dealer was contacted on several occasions; however, the contact was informed that parts were not available. 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. VIN tool confirms parts not available.
NHTSA complaint #11674611 — an unverified report by a vehicle owner.
The contact owns a 2016 BMW X4. The contact was notified of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and confirmed that parts were not yet available. 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. VIN tool confirms parts not available.
NHTSA complaint #11673979 — an unverified report by a vehicle owner.
The contact owns a 2017 BMW X4. The contact received notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact stated that while slowing down for a traffic light, the message for possible transmission failure and to seek service immediately was displayed. The contact had taken the vehicle to a dealer, but the vehicle was not diagnosed or repaired. The contact stated that the failure was intermittent. The contact related the failure to NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System). The failure mileage was approximately 100,000. VIN tool confirms parts not available.
NHTSA complaint #11658269 — an unverified report by a vehicle owner.
The contact owns a 2018 BMW X4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. 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 stated that while operating the vehicle there was a burning odor coming from the engine compartment. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure. The failure mileage was 75,000. VIN tool confirms parts not available.
NHTSA complaint #11656823 — an unverified report by a vehicle owner.
The contact owns a 2015 BMW X4. 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 local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
NHTSA complaint #11654956 — an unverified report by a vehicle owner.
The contact owns a 2018 BMW X4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was unavailable. 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. VIN tool confirms parts not available.
NHTSA complaint #11646510 — an unverified report by a vehicle owner.
The contact owns a 2016 BMW X4. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that the engine temperature warning light was illuminated. The engine overheated, and the vehicle lost motive power. The contact stated that the vehicle was stuck in the middle of the street. The vehicle was restarted; however, the vehicle failed to start as intended. The vehicle was towed to the residence. The vehicle was later towed to the warranty company; however, the contact was informed that the failure was an electrical failure. The contact was advised to take the vehicle to the dealer. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 69,777.
NHTSA complaint #11646352 — an unverified report by a vehicle owner.
The contact owns a 2015 BMW X4. 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 local dealer was not 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. VIN tool confirms parts not available.
NHTSA complaint #11644636 — an unverified report by a vehicle owner.
The contact owns a 2016 BMW X4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was unavailable. 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. VIN tool confirms parts not available.
NHTSA complaint #11638252 — an unverified report by a vehicle owner.
An 'Emergency call system malfunction' message starting appearing. Upon inspection by the dealer they mentioned "Faults stored for emergency battery hardware faulty, GPS antenna open circuit, TCB microphone short circuit. Checked rook aerial cover and found not to be sealing correctly and causing water damage to components. Recommend to replace roof aerial, roof aerial cover, TCB and emergency battery. TCB will also need to be programmed and old adhesive will need to be removed from roof of car."
NHTSA complaint #11629842 — an unverified report by a vehicle owner.
The contact owns a 2018 BMW X4. 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 manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. VIN tool confirms parts not available.
NHTSA complaint #11626924 — an unverified report by a vehicle owner.
The contact owns a 2018 BMW X4. 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 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 stated that after starting the vehicle, the vehicle occasionally failed to move. The vehicle was not diagnosed or repaired. VIN tool confirms parts not available.
NHTSA complaint #11626932 — an unverified report by a vehicle owner.
The contact owns a 2015 BMW X4. The contact stated that while driving at an undisclosed speed, she smelled a burning odor in the interior of the vehicle. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); the VIN was included, but parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The failure mileage was unknown.VIN tool confirms parts not available.
NHTSA complaint #11625311 — an unverified report by a vehicle owner.