TSB B010921 — BMW Warranty extension
B010921 is a warranty extension on file with NHTSA for the BMW X3, 2017–2020 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. B010921 is filed as a warranty extension, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years B010921 names
Every document filed under B010921
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| B010921 | August 3, 2026 | Warranty extension |
| B010921 | December 11, 2024 | Warranty extension |
What B010921 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B010921?
B010921 is a warranty extension filed with NHTSA by BMW, covering the BMW X3 across the 2017–2020 model years. NHTSA's summary reads: The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
Which vehicles does B010921 cover?
NHTSA's file names BMW X3 (2017–2020). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB B010921 a recall, and is the repair free?
B010921 is filed as a warranty extension, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of B010921?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under B010921, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under B010921. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.