TSB B520524 — BMW Service bulletin
B520524 is a service bulletin on file with NHTSA for the BMW X5, 2020–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. A rattling noise can be heard emanating from the area of the rear seat backrest of the second row ofseats. The noise does not occur when the rear seat backrest is folded down.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B520524 names
Every document filed under B520524
| Document ID | Filed | Type |
|---|---|---|
| B520524 | August 7, 2024 | Service bulletin |
What B520524 covers
Seats & interior — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B520524?
B520524 is a service bulletin filed with NHTSA by BMW, covering the BMW X5 across the 2020–2022 model years. NHTSA's summary reads: A rattling noise can be heard emanating from the area of the rear seat backrest of the second row ofseats. The noise does not occur when the rear seat backrest is folded down.
Which vehicles does B520524 cover?
NHTSA's file names BMW X5 (2020–2022). 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 B520524 a recall, and is the repair free?
No. B520524 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of B520524?
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 B520524, 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 B520524. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.