Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 13 of 20 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Air Bags. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
1 crash reports0 fire reports1 injury reports
What owners actually said
20 reports
61,250 miles · Mar 1, 2019
Air BagsSeat BeltsSeats
BWW HAS AN ONGOING PROBLEM WITH ITS SEAT SENSOR MAT. THESE SENSORS ARE CRITICAL TO THE SAFETY OF THE FRONT PASSENGER IN THE EVENT OF AN ACCIDENT. BMW HAS ONLY ISSUED RECALLS FOR SELECT MODEL OF ITS VEHICLE ON THIS PARTICULAR ISSUE. IT HAS FAILED TO ACKNOWLEDGE THAT IT IS A WIDESPREAD PROBLEM AFFECTING ALL OF ITS VEHICLES ACROSS …
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BWW HAS AN ONGOING PROBLEM WITH ITS SEAT SENSOR MAT. THESE SENSORS ARE CRITICAL TO THE SAFETY OF THE FRONT PASSENGER IN THE EVENT OF AN ACCIDENT. BMW HAS ONLY ISSUED RECALLS FOR SELECT MODEL OF ITS VEHICLE ON THIS PARTICULAR ISSUE. IT HAS FAILED TO ACKNOWLEDGE THAT IT IS A WIDESPREAD PROBLEM AFFECTING ALL OF ITS VEHICLES ACROSS YEARS AND MODELS. I BELIEVE THAT THE GOVERNMENT SHOULD ACT TO FORCE BMW TO TAKE RESPONSIBILITY FOR ITS DEFECTIVE PRODUCT. HUMAN LIVES ARE BEING PUT IN DANGER. THANK YOU.
NHTSA ODI #11183395
Mileage unknown · Nov 8, 2017
Air Bags
TAKATA RECALL I CALLED BMW OF NORTH AMERICA LAST YEAR TO COMPLAIN ABOUT NOT RECEIVING A REPLACEMENT AIRBAG FOR MY 2008 BMW X5 3.0 SI. THEY TOLD ME IT WILL BE AVAILABLE TOWARDS THE END OF SUMMER 2016. I HAVE NOT RECEIVED ANY NOTIFICATION OF ITS AVAILABILITY UP TO NOW (LATE FALL 2017). I THINK THEY COMPLETELY IGNORED MY COMPLA…
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TAKATA RECALL I CALLED BMW OF NORTH AMERICA LAST YEAR TO COMPLAIN ABOUT NOT RECEIVING A REPLACEMENT AIRBAG FOR MY 2008 BMW X5 3.0 SI. THEY TOLD ME IT WILL BE AVAILABLE TOWARDS THE END OF SUMMER 2016. I HAVE NOT RECEIVED ANY NOTIFICATION OF ITS AVAILABILITY UP TO NOW (LATE FALL 2017). I THINK THEY COMPLETELY IGNORED MY COMPLAINT. THE CATASTROPHIC RISK STILL EXISTS WITH MY CAR. I NEED NHTSA'S ASSISTANCE FOR BMW TO ACT ON THIS PROBLEM. I HAVE WAITED FOR OVER A YEAR NOW AND STILL NO ACTION FROM BMW.
NHTSA ODI #11044739
Mileage unknown · Jul 30, 2017
Electrical System
TAKATA RECALL I HAVE REPLACE MY KEY FOB TWO TIME IN ONE YEAR EACH TIME IT COST ME $275.00 BY BMW WHY CAN'T BMW REPLACE THE KEY WITH A $2.00 LIKE ALL ITS OTHER MODELS. ONLY THE 2008 MODELS COST THAT MUCH
NHTSA ODI #11011505
37,700 miles · Apr 19, 2017
Engine
ENGINE SUDDENLY OVERHEATS DUE TO DEFECTIVE WATER PUMP AND SHUTS DOWN QUICKLY. OVER HEAT WARNING CAME ON A FEW SECONDS BEFORE ENGINE IMMEDIATELY DERATED AND WENT TO IDLE. VERY DIFFICULT TO GET OUT OF HARMS WAY WITH NO ACCELERATION AT ALL. ONLY 37,700 ON VEHICLE. BMW OWNERS REPORTING HIGH FREQUENCY OF PREMATURE WATER PUMP FAILURE…
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ENGINE SUDDENLY OVERHEATS DUE TO DEFECTIVE WATER PUMP AND SHUTS DOWN QUICKLY. OVER HEAT WARNING CAME ON A FEW SECONDS BEFORE ENGINE IMMEDIATELY DERATED AND WENT TO IDLE. VERY DIFFICULT TO GET OUT OF HARMS WAY WITH NO ACCELERATION AT ALL. ONLY 37,700 ON VEHICLE. BMW OWNERS REPORTING HIGH FREQUENCY OF PREMATURE WATER PUMP FAILURES. REPAIRS COST $1,499 WITH ADDITIONAL TOWING CHARGES OF $285. THE ELECTRIC WATER PUMPS HAVE POOR QUALITY PLASTIC IMPELLERS. BMW SHOULD RECALL THIS COSTLY REPAIR DUE TO SAFETY CONCERNS. MY FAMILY AND I WERE STRANDED FOR HOURS WAITING ON A TOW DURING UNSAFE CONDITIONS.
NHTSA ODI #10979346
85,000 miles · Mar 16, 2017
EnginePower TrainVehicle Speed Control
WHILE VEHICLE IS RUNNING TRANSMISSION MALFUNCTION CODE COMES ON AND VEHICLE INSTANTLY LOSES POWER. ALMOST BEEN REAR ENDED ON HIGHWAY SEVERAL TIMES.SPENT 1000 RECENTLY ON TRANSMISSION PARTS. RESEARCHED AND FOUND OUT THIS IS A SOFT WARE ISSUE AND BMW HAS NOT ACKNOWLEDGED ALTHOUGH THOUSANDS OF REPORTS HAVE BEEN FILED-SOME BY OWN…
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WHILE VEHICLE IS RUNNING TRANSMISSION MALFUNCTION CODE COMES ON AND VEHICLE INSTANTLY LOSES POWER. ALMOST BEEN REAR ENDED ON HIGHWAY SEVERAL TIMES.SPENT 1000 RECENTLY ON TRANSMISSION PARTS. RESEARCHED AND FOUND OUT THIS IS A SOFT WARE ISSUE AND BMW HAS NOT ACKNOWLEDGED ALTHOUGH THOUSANDS OF REPORTS HAVE BEEN FILED-SOME BY OWNERS WITH ONLY 1000 MILES ON THEM THIS HAS BEEN AN ONGOING ISSUE THAT BMW HAS IGNORED.
NHTSA ODI #10966379
Mileage unknown · Mar 15, 2017
Air Bags
TAKATA RECALL. I WAS NOTIFIED OVER A YEAR AGO, SINCE HAVE BROUGHT IN MY CAR TWICE FOR SERVICE. DEALER SAYS THE AIRBAG REPLACEMENTS ARE NOT AVAILABLE FOR ME YET. I AM CONCERNED FOR OUR SAFETY.
NHTSA ODI #10966098
Mileage unknown · Mar 6, 2017
Air BagsFuel/propulsion SystemService Brakes
"TAKATA RECALL" AIRBAGS HAVE NOT BEEN REPLACED NOR SERVICED. RECALL CAMPAIGN 13V-045: INSPECT BRAKE BOOSTER VACUUM SUPPLY LINE. INVOLVES THE E70 (X5) WITH THE N62TU ENGINE PRODUCED FROM SEPTEMBER 2006 TO MARCH 2010. SI B34 04 13 (LABOR OPERATION 00 61 028)- BRAKE BOOSTER VACUUM SUPPLY LINE WAS REPLACED IN JULY 2013 AT…
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"TAKATA RECALL" AIRBAGS HAVE NOT BEEN REPLACED NOR SERVICED. RECALL CAMPAIGN 13V-045: INSPECT BRAKE BOOSTER VACUUM SUPPLY LINE. INVOLVES THE E70 (X5) WITH THE N62TU ENGINE PRODUCED FROM SEPTEMBER 2006 TO MARCH 2010. SI B34 04 13 (LABOR OPERATION 00 61 028)- BRAKE BOOSTER VACUUM SUPPLY LINE WAS REPLACED IN JULY 2013 AT BMW HAWAI'I ... REQUESTING SAFETY RECALL REPAIR PROCEDURE FOR LABOR OPERATIONS 00 61 029 AND SUBLET CODE 4. DUE TO BRAKE BOOSTER 'TOTAL FAILURE'. VEHICLE WILL CONTINUE TO SLIGHTLY MOVE FORWARD WITH BRAKE PEDDLE FULLY PRESSED. VEHICLE WILL MOVE FORWARD WITH BRAKE PEDDLE FULLY PRESSED WHEN VEHICLE IS PLACED IN DRIVE. EXTREMELY DANGEROUS TO TRAVEL UPHILL OR DOWN HILL BECAUSE VEHICLE WILL NOT REMAIN STATIONARY WITH BRAKE FULLY PRESSED. OWNER UNAWARE OF BRAKE BOOSTER FAILURE DUE TO HAVING NO KNOWLEDGE OF BRAKE MECHANICS. ANNOTATED TOTAL FAILURE OF BRAKE BOOSTER AND POSSIBLE BRAKE MASTER CYLINDER. SI B34 04 13 - IF A PRIOR REPAIR WAS PERFORMED- APPLICABLE RECALL PROCEDURESMUST BE STILL PERFORMED. THE REPAIR DESCRIBED IN THIS BULLETIN IS COVERED UNDER WARRANTY REGARDLESS OF TIME OR MILEAGE (P. 4-5).
NHTSA ODI #10958745
Mileage unknown · Feb 27, 2017
Air Bags
TAKATA RECALL. I RECEIVED A NOTIFICATION BY MAIL FROM BMW THAT MY VEHICLE IS INCLUDED IN THE RECALL AND THAT THE DRIVER'S AND PASSENGER'S FRONT AIRBAGS WILL BE REPLACED. I RECEIVED THE LETTERS IN MARCH 2016 (RECALL CAMPAIGN # 16V-071) AND JULY 2016 (CAMPAIGN RECALL # 16V-364). I CALLED BMW OF NORTH AMERICA REGARDING THESE RECA…
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TAKATA RECALL. I RECEIVED A NOTIFICATION BY MAIL FROM BMW THAT MY VEHICLE IS INCLUDED IN THE RECALL AND THAT THE DRIVER'S AND PASSENGER'S FRONT AIRBAGS WILL BE REPLACED. I RECEIVED THE LETTERS IN MARCH 2016 (RECALL CAMPAIGN # 16V-071) AND JULY 2016 (CAMPAIGN RECALL # 16V-364). I CALLED BMW OF NORTH AMERICA REGARDING THESE RECALLS AND I WAS TOLD THAT I SHOULD BE RECEIVE A LETTER OF THE AVAILABILITY OF THE REPLACEMENT PARTS TOWARDS THE END OF SUMMER 2016. WE ARE APPROACHING THE START OF SUMMER 2017 AND I HAVE NOT HEARD ANYTHING FROM BMW REGARDING THIS MATTER. I DO NOT KNOW IF BMW IS STILL GOING TO FIX THIS DEFECT. THIS IS A VERY IMPORTANT MATTER THAT NEEDS TO BE RESOLVED AS SOON AS POSSIBLE.
NHTSA ODI #10957439
Mileage unknown · Oct 31, 2016
Air Bags
TAKATA RECALL. BMW NORTH AMERICA AND MY LOCAL BMW DEALERSHIP IN IRVINE, CALIFORNIA HAVE NOT PROVIDED OPTIONS FOR ALTERNATIVE TRANSPORTATION WHILE WAITING FOR PARTS TO BECOME AVAILABLE TO COMPLETE THE AIR BAG REPLACEMENT. *TR
NHTSA ODI #10920384
118,000 miles · Oct 1, 2016
Fuel/propulsion System
ON SEPTEMBER 2, AROUND MIDNIGHT, AFTER ABOUT 30 MINUTES OF STOP AND GO TRAFFIC AT THE BORDER, MY 2008 BMW SAV X5 AWD 4DR 3.0I COUGHED, CHOKED, STOPPED AND REFUSED TO BE REVIVED. WE WERE AT THE FRONT OF A LONG LINE OF FOLKS HEADING THROUGH CUSTOMS INTO CANADA. YES, AT THE HEAD OF THE LINE. IT WAS SO EMBARRASSING! AFTER FUSSING…
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ON SEPTEMBER 2, AROUND MIDNIGHT, AFTER ABOUT 30 MINUTES OF STOP AND GO TRAFFIC AT THE BORDER, MY 2008 BMW SAV X5 AWD 4DR 3.0I COUGHED, CHOKED, STOPPED AND REFUSED TO BE REVIVED. WE WERE AT THE FRONT OF A LONG LINE OF FOLKS HEADING THROUGH CUSTOMS INTO CANADA. YES, AT THE HEAD OF THE LINE. IT WAS SO EMBARRASSING! AFTER FUSSING FOR ANOTHER 30 MINUTES TRYING TO GET IT INTO NEUTRAL, SEVERAL ABLE BODIED CANADIAN CUSTOMS OFFICERS PUSHED IT INTO THEIR COUNTRY. THE TOW TRUCK DRIVER CAME ANOTHER 40 MINUTES LATER AND TOOK US TO A BMW SERVICE SHOP IN MONTREAL. SIRS, WHAT'S SO HARD TO SWALLOW ABOUT THIS BREAKDOWN IS THAT WE COMPLETED THE ROUTINE MAINTENANCE SERVICE ON THE CAR JUST 7 DAYS BEFORE AT NEW COUNTRY BMW IN HARTFORD, CT. WITH THE EXCEPTION OF A NEGLIGIBLE OIL LEAK THAT THEY SAID WAS NO PROBLEM, I WAS ASSURED THAT MY CAR WAS FINE. BUT, IT TURNS OUT THAT IT WAS NOT; AND LIKE AN INCREASINGLY LARGE NUMBER OF BMWS, THE FUEL PUMP FAILED. WHAT'S MORE, IT IS CLEAR TO ME NOW THAT, BACK IN 2014, THE CAR WAS FAILING TO START AND WOULD CUT OFF WHILE DRIVING AROUND MY TOWN (I WAS TOO AFRAID TO TAKE IT ON THE HIGHWAY AT THAT TIME). ON MORE THAN ONE OCCASION, I TOOK IT IN FOR SERVICING AND EVENTUALLY IT WAS 'FIXED (THOUGH THE FUEL PUMP WAS NEVER REPLACED UNTIL THIS LAST FAILURE). AND SO, I SUSPECT THAT I HAVE PAID FOR A MANUFACTURING DEFECT AT LEAST THREE TIMES AND I'M SICK OF IT. I THINK THAT BMW SHOULD REIMBURSE ME FOR THE REPAIR AND THE COST OF TOWING AND THE RENTAL TO LEAVE CA AND RETURN TO PICK UP THE CAR.
BMW of North America, LLC (BMW) is recalling certain 2008-2013 1 Series Coupe (128i); 2007-2013 3 Series Coupe (328i, 328xi, 328i xDrive); 2007-2010 X3 SAV (X3 3.0si, X3 xDrive30i); 2008-2013 1 Series Convertible (128i); 2006-2011 3 Series Sedan (325i, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi); 2006-2012 3 Series Wagon (328i, 328i xDrive); 2007-2013 3 Series Convertible (328i); 2006-2010 5 Series Sedan (525i, 525xi, 528i, 528xi, 530i, 530xi); 2006-2007 5 Series Wagon (530xi); 2007-2010 X5 SAV (X5 3.0si, X5 xDrive30i); 2006-2008 Z4 Coupe (Z4 3.0si); and 2006-2011 Z4 Roadster (Z4 3.0i, Z4 3.0si, Z4 sDrive30i) vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.
Consequence & remedy
Consequence: An electrical short can cause the PCV valve heater to overheat, increasing the risk of a fire while driving or, soon after driving when parked.
Remedy: This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Dealers will install an electrical wiring harness with fuse protection for the PCV Valve heater in potentially affected vehicles, free of charge. This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Vehicles previously repaired under the prior recalls will need to come back for the new recall remedy. The remedy is currently being developed. Interim owner notification letters informing owners of the safety risk were mailed on April 1, 2022. Owner notification letters were mailed on July 22, 2022. Owners may contact BMW customer service at 1-800-525-7417.
BMW of North America, LLC (BMW) is recalling certain model year 2008-2013 128i and 135i coupes and convertibles and 1 Series M coupes, 2006-2011 325i, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi, 335i, 335xi, 335i xDrive Sedans, 2009-2011 335d sedans, 2006-2012 325xiT, 328i and 328xi sports wagons, 2007-2013 328i, 328xi, 328i xDrive, 335i, 335xi, 335i xDrive, 335is and M3 Coupes and Convertibles, 2013-2015 X1 sDrive28i, X1 xDrive28i and X1 xDrive35i SAVs, 2007-2010 X3 xDrive30i SAVs, 2007-2013 X5 xDrive30i, X5 xDrive35i, X5 xDrive48i, X5 xDrive50i and X5 M SAVs, 2009-2013 BMW X5 xDrive35d SAVs, 2008-2014 X6 xDrive35i, X6 xDrive50i, and X6 M SACs, 2010-2011 BMW X6 xDrive50i SACs and 2008-2011 M3 Sedan vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence & remedy
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: BMW will notify owners, and dealers will replace the driver's frontal air bag module or inflator depending on the vehicle model, free of charge. The recall began March 9, 2018. Owners may contact BMW customer service at 1-800-525-7417.
BMW is recalling certain model year 2007-2010 X5 SAV vehicles, manufactured September 12, 2006, through March 18, 2010 and equipped with an 8-cylinder engine. The brake vacuum pump may leak a small amount of lubricating oil into the hose. The contamination could result in a loss of power assist braking.
Consequence & remedy
Consequence: The loss of power assist in braking could increase stopping distance and lead to a vehicle crash.
Remedy: BMW will notify owners, and dealers will replace the brake vacuum line with one that contains a check valve, free of charge. The recall began during March 2013. Owners may call BMW at 1-800-525-7417 or email BMW at CustomerRelations@bmwusa.com.
Additional source detail variants (2)
Service Brakes
BMW is recalling certain model year 2007-2010 X5 SAV vehicles, manufactured September 12, 2006, through March 18, 2010 and equipped with an 8-cylinder engine. The brake vacuum pump may leak a small amount of lubricating oil into the hose. The contamination could result in a loss of power assist braking.
Consequence: The loss of power assist in braking could increase stopping distance and lead to a vehicle crash.
Remedy: BMW will notify owners, and dealers will replace the brake vacuum line with one that contains a check valve, free of charge. The recall began during March 2013. Owners may call BMW at 1-800-525-7417 or email BMW at CustomerRelations@bmwusa.com.
Service Brakes, Hydraulic:power Assist
BMW is recalling certain model year 2007-2010 X5 SAV vehicles, manufactured September 12, 2006, through March 18, 2010 and equipped with an 8-cylinder engine. The brake vacuum pump may leak a small amount of lubricating oil into the hose. The contamination could result in a loss of power assist braking.
Consequence: The loss of power assist in braking could increase stopping distance and lead to a vehicle crash.
Remedy: BMW will notify owners, and dealers will replace the brake vacuum line with one that contains a check valve, free of charge. The recall began during March 2013. Owners may call BMW at 1-800-525-7417 or email BMW at CustomerRelations@bmwusa.com.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1
EA21002 · Desiccated Air Bag Inflator Rupture
Opened Sep 17, 2021 · No close date supplied
Status: open (inferred from source dates) · Air Bags:frontal:driver Side:inflator Module; Air Bags:frontal:passenger Side:inflator Module
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 burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.
Additional source detail variants (2)
Air Bags:frontal:driver Side:inflator Module
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 burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.
Air Bags:frontal:passenger Side:inflator Module
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 burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.
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