A Global Recall with Serious Safety Implications

BMW has issued a sweeping recall affecting more than 575,000 vehicles worldwide, including 87,394 in the United States, after an NHTSA investigation linked faulty engine starters to a potential fire risk. The defect, which can cause the starter to overheat and ignite a fire while driving or even when the engine is running, spans multiple model lines—and even includes the Toyota Supra, which uses a BMW-built engine . Here's everything you need to know.

87,394
U.S. Vehicles Affected
575,000+
Worldwide Total
<0.1%
Estimated Failure Rate

The Defect: Why Starters Are Catching Fire

The root cause lies in the engine starter supplied by Valeo. According to BMW's defect report filed with NHTSA (Recall No. 26V056), an internal component can experience unexpected wear, leading to a buildup of metallic material in the electrical relay chamber . This wear is caused by excessive abrasion over many start cycles.

Fire risk scenario: The worn component can cause the starter to overheat during engine start or while the vehicle is running. In extreme cases, this thermal event can ignite surrounding engine materials .

BMW's investigation began in September 2025 after field reports of starters with thermal damage, including incidents involving a 2023 4 Series and a 2022 3 Series between October 2024 and March 2025 . Endurance bench testing simulating high numbers of start attempts confirmed the failure mode.

Affected Models: BMW and Toyota Vehicles

Model Model Years Notes
Toyota Supra 2021-2023 BMW-built engine
BMW 2 Series Coupe 2022-2023 G42 generation
BMW 3 Series 2021-2024 330i, 330i xDrive
BMW 4 Series Coupe 2021-2023 Including xDrive
BMW 4 Series Convertible 2021-2024 Including xDrive
BMW 4 Series Gran Coupe 2022-2024 430i models
BMW 5 Series 2021-2024 530i, 530i xDrive
BMW X3 2021-2024 sDrive30i, xDrive30i
BMW X4 2021-2023 xDrive30i
BMW Z4 2021-2022 sDrive30i

Production date ranges vary by model. See BMW's official recall documentation for exact build dates .

Global Scope: Beyond the U.S. Market

This is not just a North American issue. The recall affects vehicles across multiple continents:

  • United Kingdom: 24,732 vehicles recalled, including 2 Series, 3 Series, 4 Series, 5 Series, X3, X4, and Z4 models built between July 2020 and July 2022
  • Singapore: 2,303 vehicles affected, with BMW recommending owners not leave vehicles unattended with the engine running after remote start
  • Ireland: 197 vehicles included in the recall
BMW's safety advice: "Do not leave the vehicle unattended with the engine running after starting the engine—especially after remote engine start" .

The Investigation Timeline

Oct 2024 - Mar 2025
Field incidents logged involving starters with thermal damage (MY2023 4 Series, MY2022 3 Series)
September 2025
BMW launches engineering investigation after three vehicles catch fire (two 2022 3 Series, one 2023 4 Series)
Nov-Dec 2025
Endurance bench testing confirms metallic buildup in relay chamber due to increased abrasion
January 2026
Another 2021 3 Series fire investigated; formal recall preparation begins
January 30, 2026
BMW files Part 573 recall report with NHTSA
February 2026
Recall publicly announced; global scale confirmed
March 24, 2026
Owner notification letters scheduled to begin; VIN search available on NHTSA.gov

What BMW Will Do: Free Starter Replacement

BMW dealers will replace the engine starter free of charge for all affected vehicles. The repair takes up to two hours depending on the model . In some vehicles, the battery may also be replaced with one adapted to the new starter .

BMW Customer Service: 1-800-525-7417
Toyota Customer Service (Supra owners): 1-800-331-4331
NHTSA VIN lookup: Available March 24, 2026 at NHTSA.gov/recalls

Owner notification letters will be mailed beginning March 24, 2026. BMW advises owners to check their VIN on NHTSA.gov once the database updates that same day .

How Rare Is the Problem?

BMW estimates that the percentage of vehicles currently suffering from the starter defect is "much lower than 0.1 percent" . However, given the potential safety consequences—a vehicle fire—the company is proactively replacing the part in all potentially affected vehicles.

No Injuries Reported, But Strain on Dealers

To date, no injuries have been reported from the defect . However, the size of the recall, combined with multiple other BMW recalls in recent months, could strain dealer service capacity . Owners may experience delays in scheduling appointments.

This recall adds to BMW's recent safety actions, including a January 2026 recall of 36,922 X3 SUVs over steering software issues and a separate recall of 851 vehicles for potentially rupturing head airbag inflators .

"Our product controls and customer complaints have shown that in the identified vehicles the starter motor could become defective. The magnetic switch in the starter establishes the electrical connection during the starting process. Due to production influences, a high number of start operations can lead to increased wear." — BMW Group official statement

Industry Context: A Pattern of Fire-Related Recalls

This is not BMW's first fire-related recall. In September 2025, BMW recalled 196,355 U.S. vehicles over concerns that corrosion in the engine starter relay could trigger a fire, affecting 2019-2022 models including the 3 Series, 5 Series, X3, X4, and Z4 . That recall advised owners to park outside and away from structures.

The current recall is distinct—it involves wear rather than corrosion, but the outcome is similarly serious: potential vehicle fires during operation.

What Owners Should Do Now

If you own one of the affected vehicles, here are the recommended steps:

  • Check your VIN: Starting March 24, 2026, search your VIN on NHTSA.gov/recalls
  • Contact BMW or Toyota: Call the customer service hotlines provided above if you have questions before the notification date
  • Schedule service: Once confirmed affected, schedule an appointment with your local dealer for starter replacement
  • Observe safety precautions: If you notice any signs of smoke or unusual smells while driving, pull over safely and contact emergency services
  • Consider remote start: BMW advises not leaving vehicles unattended with the engine running after remote start

Frequently Asked Questions

How many vehicles are affected in the U.S.?
87,394 vehicles are included in the U.S. recall .
What models are covered?
The recall covers 2021-2024 3 Series, 4 Series, 5 Series, X3, X4, 2 Series Coupe, Z4, and 2021-2023 Toyota Supra. See the full table above .
What is the defect?
Internal wear in the engine starter can cause overheating and, in extreme cases, a fire while starting or driving .
Is the repair free?
Yes. Dealers will replace the starter motor free of charge .
When will I be notified?
Owner notification letters will be mailed beginning March 24, 2026 .
How long does the repair take?
Up to two hours, depending on the vehicle model .
Has anyone been injured?
No injuries have been reported to date .