Recall 20V761 covers 812 2021 BMW vehicles with an improper 48-Volt battery-to-starter-generator connection that raises fire risk. Free repair at any franchised BMW dealer.
BMW is recalling 812 2021 vehicles, including X5, 530I, X6, and X7 models, because the connection between the 48-Volt battery and starter-generator has an assembly defect. Increased electrical resistance at that connection can raise the risk of a fire, and BMW dealers provide the recall repair free of charge.
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What's wrong?
The 48-Volt battery connection on these 2021 BMW vehicles links the mild-hybrid battery to the starter-generator. The starter-generator helps restart the engine and supports the electrical system, so that cable connection has to sit tight against the starter-generator bolt. The problem is in the connection, not a normal battery wear item.
On affected vehicles, that connection was disassembled and reassembled during assembly rework, then not secured to BMW's specification. A loose or poorly seated connection creates extra electrical resistance. Resistance turns electrical current into heat at the joint, which is why BMW's review focused on thermal events in the engine compartment.
There is no warning sign before failure. An owner should not expect a dashboard message, sound, or change in drivability before the connection overheats.
Who's affected?
Covers SUV, sedan, coupe, and performance variants for the 2021 model year, all tied to the same battery assembly issue.
| 2021 BMW X5 | battery |
|---|---|
| 2021 BMW 530I | battery |
| 2021 BMW X6 | battery |
| 2021 BMW X7 | battery |
| 2021 BMW M440I | battery |
| 2021 BMW M340I | battery |
| 2021 BMW 540I | battery |
| 2021 BMW 740LI | battery |
| 2021 BMW 840I | battery |
| Units affected | 812 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether this recall applies to your specific vehicle.
What's the safety risk?
Increased electrical resistance at the 48-Volt battery connection raises the risk of a fire. If your VIN is included, schedule the dealer inspection soon and avoid delaying the repair, since the problem is electrical and the recall covers inspection and replacement when needed. Repair is free at any franchised BMW dealer.
What should I do?
- Check your VIN to confirm your 2021 BMW X5, 530I, X6, X7, M440I, M340I, 540I, 740LI, or 840I is included in this recall.
- Contact a franchised BMW dealer to schedule the free inspection of the 48-Volt battery and starter-generator connection.
- Ask the dealer to replace the connection if the inspection shows it was not assembled properly.
- Bring the owner notice if you have it, and reference recall number 20V761 when you call.
- Limit driving until the inspection is complete; the recalled connection is tied to increased electrical resistance and fire risk.
What happens at the repair
At the dealer, a BMW technician inspects the connection between the 48 volt battery and the starter generator assembly. If the connection or related assembly does not meet BMW's recall instructions, the dealer replaces it. The recall repair is free, including parts and labor. BMW used its general reimbursement plan for this campaign, so documented out of pocket repairs tied to this defect are handled through that plan. Bring receipts or repair paperwork to the BMW service desk.
| Reimbursement | Reimbursement available |
|---|
Timeline
| December 9, 2020 | NHTSA published the recall |
|---|---|
| December 9, 2020 | Dealer notification began |
| December 9, 2020 | Dealer notification ended |
| February 1, 2021 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| February 1, 2021 | Interim owner notification (was planned for this date) |
| March 30, 2021 | Owner notification mailed |
Frequently asked questions
What is recall 20V761?
Recall 20V761 covers 812 2021 BMW X5, 530I, X6, X7, M440I, M340I, 540I, 740LI, and 840I vehicles with a 48-Volt battery connection that needs inspection for improper assembly. Increased electrical resistance at that connection can increase fire risk. BMW dealers inspect it and replace it if necessary for free.
What should I do if my 2021 BMW X5, 530I, X6, X7, M440I, M340I, 540I, 740LI, or 840I is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 20V761. If it is, contact a franchised BMW dealer to schedule the 48-Volt battery and starter-generator connection inspection. Reference recall number 20V761 when you call. The dealer repair is free.
Is the recall repair free?
Yes. Federal recall law requires manufacturers to repair safety defects at no cost, and BMW will inspect the 48-Volt battery and starter-generator connection free of charge at any franchised BMW dealer. If the connection needs replacement, that work is covered too.
What is the safety risk?
The safety risk is fire. If the 48-Volt battery and starter-generator connection has increased electrical resistance, that heat can increase the risk of a fire. Confirm your VIN, then schedule the free dealer inspection and repair if your vehicle is included.
What if I bought my BMW used?
The free recall repair still applies. Federal recall law follows the vehicle, not the first owner. Check your VIN to confirm whether your specific BMW is included, then call a franchised BMW dealer or BMW customer service at 1-800-525-7417 with recall number 20V761.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/20V761000 |
|---|---|
| BMW customer service | 1-800-525-7417 |
| NHTSA recall # | 20V761 |
| NHTSA recall # (full) | 20V761000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Misc. Document (PDF)
- Download Quarterly Report (PDF)
- Download Recall Investigation Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 23, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →