{
  "owners": null,
  "title": "BMW recall 21V521: BMW X3, BMW X4 (2018 to 2019)",
  "url": "https://carsmultiverse.com/recall/21v521/",
  "summary": "Recall 21V521 (BMW): A deactivated front air bag will not deploy in the event of a crash, increasing the risk of injury.",
  "excerpt": "Bmw X3, Bmw X4, model years 2018 to 2019. Filed by BMW of North America, LLC and reported to NHTSA on 8 July 2021. 138 vehicles potentially affected. What the notice says BMW of North America, LLC (BMW) is recalling certain 2018-2019 X3 sDrive30i, X3 xDrive30i, X3 M40i and 2019 X4 xDrive30i, and X4 M40i vehicles. The front passenger seat occupant classification system may have been improperly assembled, which could result in the misclassification of the seat as unoccupied, and … Is your vehicle included? Check with your VIN at NHTSA , or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on. CarsMultiverse / Recalls Answered from the register this site holds. NHTSA is the record to act on. What the authority says can happen if this is not fixed: “A deactivated front air bag will not deploy in the event of a crash, increasing the risk of injury.” 21V521 BMW of North America, LLC Air Bags:Frontal 8 July 2021 2018-2019 BMW X3, BMW X4 A deactivated front air bag will not deploy in the event of a crash, increasing the risk of injury. Dealers will replace the seat foam, which includes the occupant classification system, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417. This campaign is in the register but not yet in the dated wording archive, so we cannot yet ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:56:42+00:00",
  "dateModified": "2026-09-16T19:36:17+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"BMW recall 21V521: BMW X3, BMW X4 (2018 to 2019)\", https://carsmultiverse.com/recall/21v521/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}