BMW X3, X4 Fuel Tank Weld May Fail
critical How serious is it? About this label
A fuel leak near a source of ignition increases the risk of a fire. The notice does not tell owners to stop driving.
Key facts
| NHTSA campaign number | 21V199000 |
|---|---|
| Reported to NHTSA | Mar 24, 2021 |
| Manufacturer | BMW of North America, LLC |
| Part affected | Fuel System, Gasoline:storage:tank Assembly |
| Vehicles covered | 2 model/year combinations, model years 2021 |
| Do-not-drive advisory | No |
| Park-outside advisory | No |
| Repair | Free at any franchised dealer |
What's wrong, in plain English
Some BMW X3 and X4 vehicles have a fuel tank inlet check valve where the weld holding it in place may fail. If this weld fails, the pipe that fills the fuel tank can separate from the tank itself. Once separated, fuel from the tank may leak out of the vehicle.
What you should do
2. Contact a BMW dealer, or call BMW customer service at 1-800-525-7417.
3. Dealers will replace the fuel tank, free of charge.
Where do I find my VIN, and what do I tell the dealer?
Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 21V199000. More in how recalls work.
Affected vehicles (2)
Who to contact
BMW — official BMW recall lookup
Customer service: 1-800-525-7417
The bigger picture
- BMW Fuel System Recalls Cover Leaks and Incorrect Gauge Readings · all 5 BMW recalls in this area
Other BMW X3 recalls
- Aug 12, 2026BMW X3 Steering Spindle May Be Loosehigh
- Jan 30, 2026BMW, Toyota Supra: Engine Starter May Catch Firecritical
- Dec 11, 2025BMW X3 Steering Wheel May Move Unexpectedlyhigh
- Sep 23, 2025BMW and Toyota Supra Starter Relay Fire Riskcritical
- Apr 16, 2025BMW X3 Front Brake Discs Damaged in Transporthigh
- Apr 1, 2025BMW 430i, X3 Starter Connection May Loosencritical
Official notice
- Component
- FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
- Summary
- BMW of North America, LLC (BMW) is recalling certain 2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and X4, and 2021 X4 xDrive30i vehicles. The inlet check valve weld may fail, allowing the filling pipe to separate from the fuel tank.
- Safety risk
- Fuel may leak through the failed weld, increasing the risk of a fire.
- Remedy
- BMW will notify owners, and dealers will replace the fuel tank, free of charge. The recall is scheduled to begin May 17, 2021. Owners were also contacted by telephone. To date, all repairs have been done. No further owner notification letters will be sent. Owners may contact BMW customer service at 1-800-525-7417.
Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.