The starter motor in your vehicle is the part that helps your engine turn over when you turn the key. In some 2021-2024 models, the starter motor can wear out and overheat, potentially causing a fire.
Risk if Unfixed
If the starter motor overheats, it could catch fire and increase the risk of serious injury, especially if you're not near an exit or escape route.
Free Fix
Your authorized BMW dealer will replace the starter motor with a new one, free of charge. You'll receive a letter when the repair is available, and you can also contact BMW customer service at 1-800-525-7417 for more information.
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Original — What Happened
BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.
Original — Risk if Unfixed
Fire increases the risk of injury.
Original — Remedy
Dealers will replace the engine starter, free of charge. A letter informing owners of the safety risk was mailed on March 27, 2026. Owners will receive another letter once the remedy is available. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.
The starter assembly relay in your vehicle is a small electrical component that helps your engine turn over when you turn the key. In some 2019-2022 models, this relay can corrode and overheat.
Risk if Unfixed
If the starter relay overheats and short circuits, it could cause a fire, which could spread quickly and be difficult to extinguish.
Free Fix
Your BMW dealer will replace the faulty starter relay with a new one, at no cost to you. For now, park your vehicle in an open area away from buildings, and schedule the repair after checking repair availability with your dealer. This timing describes the original 2025 filing; contact your dealer now to confirm the free repair is available.
Show original NHTSA language
Original — What Happened
BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
Original — Risk if Unfixed
A short circuit in the starter relay may increase the risk of a fire.
Original — Remedy
Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 14, 2025.
The 48-Volt battery in your vehicle is a special backup power source that helps the car start and provides extra power for certain features. In some 2021 BMW models, the connection to the starter-generator might not have been assembled correctly.
Risk if Unfixed
If the connection isn't fixed, it could cause a fire in your vehicle. This is a serious risk that could happen while you're driving or parked.
Free Fix
Your BMW dealer will check the connection and fix it for you, free of charge. You'll get a notice when the repair is ready, and you should schedule an appointment as after confirming availability with your dealer as possible. This timing describes the original 2020 filing; contact your dealer now to confirm the free repair is available.
Show original NHTSA language
Original — What Happened
BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, X6 sDrive40i, X6 xDrive40i, and X7 xDrive40i vehicles. The connection between the 48-Volt battery and the starter-generator may not have been assembled properly, which can cause increased electrical resistance at the connections.
Original — Risk if Unfixed
Increased electrical resistance can increase the risk of a fire.
Original — Remedy
BMW will notify owners, and dealers will inspect the connection between the 48-Volt battery and the starter-generator assembly, replacing it if necessary, free of charge. The recall is expected to begin April 12, 2021. Owners may contact BMW customer service at 1-800-525-7417.
This model year has 3 recorded safety recalls. Model-level listings do not establish VIN-specific open recalls or whether this vehicle is safe to drive. Check your VIN and contact the manufacturer for recall instructions.
What is the ELECTRICAL SYSTEM:STARTER ASSEMBLY recall for the 2021 BMW 4 Series? (Campaign #26V056000)
The starter motor in your vehicle is the part that helps your engine turn over when you turn the key. In some 2021-2024 models, the starter motor can wear out and overheat, potentially causing a fire. If the starter motor overheats, it could catch fire and increase the risk of serious injury, especially if you're not near an exit or escape route. Your authorized BMW dealer will replace the starter motor with a new one, free of charge. You'll receive a letter when the repair is available, and you can also contact BMW customer service at 1-800-525-7417 for more information.
What is the ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY recall for the 2021 BMW 4 Series? (Campaign #25V636000)
The starter assembly relay in your vehicle is a small electrical component that helps your engine turn over when you turn the key. In some 2019-2022 models, this relay can corrode and overheat. If the starter relay overheats and short circuits, it could cause a fire, which could spread quickly and be difficult to extinguish. Your BMW dealer will replace the faulty starter relay with a new one, at no cost to you. For now, park your vehicle in an open area away from buildings, and schedule the repair after checking repair availability with your dealer. This timing describes the original 2025 filing; contact your dealer now to confirm the free repair is available.
What is the ELECTRICAL SYSTEM:12V/24V/48V BATTERY recall for the 2021 BMW 4 Series? (Campaign #20V761000)
The 48-Volt battery in your vehicle is a special backup power source that helps the car start and provides extra power for certain features. In some 2021 BMW models, the connection to the starter-generator might not have been assembled correctly. If the connection isn't fixed, it could cause a fire in your vehicle. This is a serious risk that could happen while you're driving or parked. Your BMW dealer will check the connection and fix it for you, free of charge. You'll get a notice when the repair is ready, and you should schedule an appointment as after confirming availability with your dealer as possible. This timing describes the original 2020 filing; contact your dealer now to confirm the free repair is available.