2014 BMW 435I defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2014 BMW 435I. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• Desiccated Air Bag Inflator Rupture
  Engineering Analysis EA21002 · opened Sep 17, 2021 · still open

  From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to…