TSB B612924 — BMW Service campaign
B612924 is a service campaign on file with NHTSA for the BMW X5, 2024–2025 model years, filed and re-filed as 3 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. RSU availability. Due to a software error in the BCP, the Calibration Identification Number (CAL ID) and the CalibrationVerification Number (CVN) of the vehicle are not stored correctly. They are generated with each programming session and are used to identify official BMW…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. B612924 is filed as a service campaign, 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 B612924 names
Every document filed under B612924
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 |
|---|---|---|
| B612924 | November 7, 2025 | Service campaign |
| B612924 | October 28, 2025 | Service campaign |
| B612924 | November 18, 2024 | Service campaign |
What B612924 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B612924?
B612924 is a service campaign filed with NHTSA by BMW, covering the BMW X5 across the 2024–2025 model years. NHTSA's summary reads: RSU availability. Due to a software error in the BCP, the Calibration Identification Number (CAL ID) and the CalibrationVerification Number (CVN) of the vehicle are not stored correctly. They are generated with each programming session and are used to identify official BMW…
Which vehicles does B612924 cover?
NHTSA's file names BMW X5 (2024–2025). 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 B612924 a recall, and is the repair free?
B612924 is filed as a service campaign, 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 B612924?
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 B612924, 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 B612924. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.