Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
680–25K
12925–50K
10550–75K
4275–100K
26100–150K
2150K+
372 reports with mileage · 39 unknown
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.
Steering. Review the 378 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Air Bags. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 14 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 reports2 fire reports0 injury reports
What owners actually said
411 reports
60,000 miles · Dec 11, 2018
Steering
TL* THE CONTACT OWNS A 2004 BMW Z4. WHILE DRIVING APPROXIMATELY 45 MPH, THE STEERING WHEEL SEIZED. THE STEERING UNLOCKED ON ITS OWN AFTER FIFTEEN MINUTES OF DRIVING. THE CONTACT ALSO STATED THAT THE VEHICLE WAS PURCHASED FROM AN INDIVIDUAL BACK IN APRIL OF 2018 AND THE FAILURE OCCURRED EVER SINCE. THE VEHICLE WAS TAKEN TO BMW OF…
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TL* THE CONTACT OWNS A 2004 BMW Z4. WHILE DRIVING APPROXIMATELY 45 MPH, THE STEERING WHEEL SEIZED. THE STEERING UNLOCKED ON ITS OWN AFTER FIFTEEN MINUTES OF DRIVING. THE CONTACT ALSO STATED THAT THE VEHICLE WAS PURCHASED FROM AN INDIVIDUAL BACK IN APRIL OF 2018 AND THE FAILURE OCCURRED EVER SINCE. THE VEHICLE WAS TAKEN TO BMW OF CHATTANOOGA (6806 E BRAINERD ROAD, CHATTANOOGA, TN 37421) WHERE IT WAS DIAGNOSED THAT THE STEERING COLUMN NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.
NHTSA ODI #11160683
113,000 miles · Oct 17, 2018
Steering
TAKATA RECALL.....STEERING NOTCHES AND LOCKS....UNSAFE TO DRIVE....WHEN CAR IS IS IN WARM WEATHER THE STEERING IS VERY STICKY
NHTSA ODI #11141140
48,500 miles · Oct 9, 2018
Steering
MY 2004 BMW Z4 WITH FEWER THAN 50,000 ACCUMMULATED MILES HAS BEEN EXPERIENCING SIGNIFICANT "STICKING/DEDENT" STEERING PROBLEMS UNDER HIGHWAY DRIVING CONDITIONS THAT RESULT IN UNSAFE STEERING RESPONSIVENESS. THIS PROBLEM APPEARS TO BE COMMON TO US AND EUROPEAN BMW Z4 MODEL YEARS 2003 THROUGH 2005 AND HAS BEEN EXTENSIVELY REPORT…
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MY 2004 BMW Z4 WITH FEWER THAN 50,000 ACCUMMULATED MILES HAS BEEN EXPERIENCING SIGNIFICANT "STICKING/DEDENT" STEERING PROBLEMS UNDER HIGHWAY DRIVING CONDITIONS THAT RESULT IN UNSAFE STEERING RESPONSIVENESS. THIS PROBLEM APPEARS TO BE COMMON TO US AND EUROPEAN BMW Z4 MODEL YEARS 2003 THROUGH 2005 AND HAS BEEN EXTENSIVELY REPORTED ON THE INTERNET AND TO BMW ITSELF. BMW TECHNICIANS HAVE INDICATED THAT THE PROBLEM CAN RENDER A VEHICLE "UNSAFE TO DRIVE" AND HAVE FURTHER INDICATED THAT THE PROBLEM CAN ONLY BE CORRECTED BY REPLACING THE ELECTRIC POWER STEERING UNIT AT A COST OF SEVERAL THOUSAND DOLLARS. THE PREVALENCE OF THIS IDENTICAL PROBLEM IN HUNDREDS, IF NOT THOUSANDS OF BMW Z4S CLEARLY POINTS TO AN ENGINEERING DESIGN FLAW. EVEN SO, BMW REFUSES TO TAKE RESPOSIBILITY FOR THIS PROBLEM AND HAVE REJECTED ANY ASSISTANCE TO BMW Z4 OWNERS WHO HAVE SOUGHT SUCH ASSISTANCE. CONSIDERING THE SIGNIFICANT NEGATIVE IMPACT THAT THIS STEERING CONTROL PROBLEM MAY HAVE ON SAFE VEHICLE OPERATION, THE MANUFACTURER SHOULD BE FORCED TO UNDERTAKE A RECALL OF ALL THE VEHICLES AFFECTED BY THIS MANUFACTURING DEFECT.
NHTSA ODI #11139337
58,000 miles · Sep 12, 2018
Steering
THE ELECTRIC STEERING IS NOTCHY- IT SEEMS TO FIXATE IN THE CENTER AND GETS HARD TO STEER FROM THE CENTER POSITION. IT HAPPENS MOSTLY WHEN WE ARE ON THE OPEN ROAD GOING OVER 35 MILES PER HOUR. IT SEEMS TO GET STUCK IN THE MIDDLE- AND YOU GET THE FEELING THAT IT IS STUCK THERE. IT IS HARD TO MOVE THE STEERING WHEEL AWAY FROM THE C…
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THE ELECTRIC STEERING IS NOTCHY- IT SEEMS TO FIXATE IN THE CENTER AND GETS HARD TO STEER FROM THE CENTER POSITION. IT HAPPENS MOSTLY WHEN WE ARE ON THE OPEN ROAD GOING OVER 35 MILES PER HOUR. IT SEEMS TO GET STUCK IN THE MIDDLE- AND YOU GET THE FEELING THAT IT IS STUCK THERE. IT IS HARD TO MOVE THE STEERING WHEEL AWAY FROM THE CENTER WHICH RESULTS IN OVER STEER AND OVER CORRECTION. I HAVE TAKEN IT TO THE SEWICKLEY PA BMW DEALER AND THEY SAID THERE IS NOTHING WRONG BUT IT SEEMS TO BE GETTING WORSE. THE CAR ONLY HAS 60,000 MILES ON IT. IT IS HARD TO KEEP THE WHEEL STRAIGHT WHEN THIS HAPPENS AND I HAVE READ ONLINE THAT OTHERS HAVE ALSO HAD THIS PROBLEM.
NHTSA ODI #11129181
65,000 miles · Aug 10, 2018
Steering
ELECTRICALLY ASSISTED STEERING IS VERY SLUGGISH WHEN THE AIR TEMPERATURE IS ABOVE 80 DEGREES. 2011 AND 2012 MODELS HAVE GOT THE SAME PROBLEM AND THEY HAVE A RECALL FOR THAT ISSUE
NHTSA ODI #11118998
65,000 miles · Aug 9, 2018
Steering
THE STEERING STICKS AT ALL SPEEDS AND TURNING RADIUS TO THE POINT YOU CAN BARELY CONTROL THE STEERING WITH BOTH HANDS. THE ONLY REPAIR SOLUTION IS THE REPLACEMENT OF THE ENTIRE STEERING COLUMN AT PARTS $3-4,000 & LABOR $1-2,000 IT'S A LIFE THREATENING HAZARD AND SHOULD BE RECALLED VS BMW WAITING FOR A HUGE CLASS ACTION LAW SUIT…
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THE STEERING STICKS AT ALL SPEEDS AND TURNING RADIUS TO THE POINT YOU CAN BARELY CONTROL THE STEERING WITH BOTH HANDS. THE ONLY REPAIR SOLUTION IS THE REPLACEMENT OF THE ENTIRE STEERING COLUMN AT PARTS $3-4,000 & LABOR $1-2,000 IT'S A LIFE THREATENING HAZARD AND SHOULD BE RECALLED VS BMW WAITING FOR A HUGE CLASS ACTION LAW SUIT! THE VEHICLE HAS ONLY APPROXIMATELY 65K MILES WAY TOO SOON FOR CATASTROPHIC FAILURE OF A MAJOR MECHANICAL SYSTEM WIDELY KNOWN AND SUFFERED BY BMW ENTHUSIASTS ' NOT "THE ULTIMATE DRIVING MACHINE!"
NHTSA ODI #11118749
20,000 miles · Jul 18, 2018
Steering
IF THE VEHICLE IS HOT, WHILE DRIVING, THE STEERING WILL HANG UP IN THE 12:00 POSITION AND YOU HAVE TO USE MORE FORCE TO GET IT THROUGH THIS POSITION, CAUSING TO VEHICLE TO OVER-STEER. IT'S BEEN GETTING WORST AND THE BMW DEALERSHIP CAN FIND THE PROBLEM, EVEN THOUGH I'VE SENT THEM COMPUTER LINKS DESCRIBING THE PROBLEM.
NHTSA ODI #11112216
Mileage unknown · Jul 6, 2018
Steering
WHILE DRIVING, THE STEERING WHEEL STICKS IN POSITION. IT WILL BREAK LOOSE WITH VERY LITTLE FORCE. BUT VERY IRRITATING. I FEEL IT IS A SAFETY CONCERN.
NHTSA ODI #11109825
57,000 miles · Jul 1, 2018
Steering
WHEN TEMPERATURES ARE ABOUT 75-80 DEGREES, THE STEERING WILL "STICK" WHEN MAKING MINOR CORRECTIONS WHILE DRIVING. APPARENTLY THIS IS A COMMON ISSUE WITH THIS BMW MAKE AND MODEL. THERE ARE 57000 MILES ON VEHICLE. IT IS NOT NOTICEABLE IN COOLER AMBIENT TEMPERATURES.
NHTSA ODI #11104944
Mileage unknown · Jun 6, 2018
Steering
STEERING ISSUE: WHILE DRIVING AT VARIOUS SPEEDS AND VARIOUS OUTSIDE TEMPERATURES, THE STEERING WILL STICK, AND IS NOT SMOOTH AND RESPONSIVE REGARDLESS OF THE CURVE DEGREE. THE SENSATION IS THAT THE TURNING OF THE STEERING WHEEL IS JERKY AND REQUIRES BOTH HANDS ON THE WHEEL. THIS SAFETY ISSUE HAS BEEN ONGOING FOR SEVERAL YEARS.…
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STEERING ISSUE: WHILE DRIVING AT VARIOUS SPEEDS AND VARIOUS OUTSIDE TEMPERATURES, THE STEERING WILL STICK, AND IS NOT SMOOTH AND RESPONSIVE REGARDLESS OF THE CURVE DEGREE. THE SENSATION IS THAT THE TURNING OF THE STEERING WHEEL IS JERKY AND REQUIRES BOTH HANDS ON THE WHEEL. THIS SAFETY ISSUE HAS BEEN ONGOING FOR SEVERAL YEARS. THE CAR IS NOT DRIVEN OFTEN AS EVIDENCED BY MILEAGE, 16,000.
ON CERTAIN PASSENGER VEHICLES, UNDER CERTAIN ENVIRONMENTAL CONDITIONS, A VAPOR LOCK IN THE FUEL PUMP COULD OCCUR CAUSING THE ENGINE TO STALL. IF THIS WERE TO HAPPEN, THE ENGINE WOULD NOT BE ABLE TO BE RESTARTED FOR APPROXIMATELY 15 TO 20 MINUTES.
Consequence & remedy
Consequence: IF STALLING WERE TO OCCUR, THE DRIVER WOULD BE UNABLE TO MAINTAIN VEHICLE SPEED OR ACCELERATE, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSTALL A RESISTOR IN THE ELECTRICAL LINE POWERING THE FUEL PUMP IN ORDER TO PREVENT AN OCCURRENCE OF VAPOR LOCK. THE RECALL BEGAN MAY 11, 2004. OWNERS SHOULD CONTACT BMW AT 1-800-831-1117.
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
2
PE10020 · Sticky Steering
Opened Jun 28, 2010 · Closed Jun 28, 2011
Status: closed (inferred from source dates) · Steering; Steering:column; Steering:electric Power Assist System
ODI has evaluated the sticky steering condition, which included reviews of complaints and warranty claims, interviews and surveys of owners of complaint vehicles, road tests of complaint vehicles, and a review of BMW's engineering and test data.ODI found the sticky steering condition does not result in a significant steering effort, thus the impact on the driver's ability to control the vehicle does not appear to be significant.A safety-related defect trend has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.See the attached report for additional information.In addition, during this investigation, ODI became aware of allegations of failure or loss of electric power-assisted steering on the subject vehicles.As a result, ODI is separately reviewing this issue to determine whether additional agency action is needed.
Additional source detail variants (3)
Steering
ODI has evaluated the sticky steering condition, which included reviews of complaints and warranty claims, interviews and surveys of owners of complaint vehicles, road tests of complaint vehicles, and a review of BMW's engineering and test data.ODI found the sticky steering condition does not result in a significant steering effort, thus the impact on the driver's ability to control the vehicle does not appear to be significant.A safety-related defect trend has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.See the attached report for additional information.In addition, during this investigation, ODI became aware of allegations of failure or loss of electric power-assisted steering on the subject vehicles.As a result, ODI is separately reviewing this issue to determine whether additional agency action is needed.
Steering:column
ODI has evaluated the sticky steering condition, which included reviews of complaints and warranty claims, interviews and surveys of owners of complaint vehicles, road tests of complaint vehicles, and a review of BMW's engineering and test data.ODI found the sticky steering condition does not result in a significant steering effort, thus the impact on the driver's ability to control the vehicle does not appear to be significant.A safety-related defect trend has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.See the attached report for additional information.In addition, during this investigation, ODI became aware of allegations of failure or loss of electric power-assisted steering on the subject vehicles.As a result, ODI is separately reviewing this issue to determine whether additional agency action is needed.
Steering:electric Power Assist System
ODI has evaluated the sticky steering condition, which included reviews of complaints and warranty claims, interviews and surveys of owners of complaint vehicles, road tests of complaint vehicles, and a review of BMW's engineering and test data.ODI found the sticky steering condition does not result in a significant steering effort, thus the impact on the driver's ability to control the vehicle does not appear to be significant.A safety-related defect trend has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.See the attached report for additional information.In addition, during this investigation, ODI became aware of allegations of failure or loss of electric power-assisted steering on the subject vehicles.As a result, ODI is separately reviewing this issue to determine whether additional agency action is needed.
EA08001 · BMW Airbag Light Illumination
Opened Jan 4, 2008 · Closed Dec 31, 2008
Status: closed (inferred from source dates) · Air Bags; Air Bags:frontal; Air Bags:frontal:sensor/control MODULE-INACTIVE
BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.
Additional source detail variants (3)
Air Bags
BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.
Air Bags:frontal
BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.
Air Bags:frontal:sensor/control MODULE-INACTIVE
BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.
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