IllustrationCAR IS VERY DANGEROUS TO DRIVE WHEN CAR IS WARM AND DRIVEN AT HIGHWAY SPEED. THE CAR ACTS AS IF THE STEERING IS STICKING OR LOCKING UP> YOU HAVE TO PULL ON THE STEERING WHEEL HARD TO LEFT OR RIGHT TO GET THE WHEELS TO TURN. YOU MUST BE VERY CARE AND KEEP YOUR MIND ON WHAT YOU ARE DOING AT ALL TIMES OR YOU COULD BE IN CRASH. *TR
2005 BMW Z4
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Z4 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
420–25K
4825–50K
4750–75K
2075–100K
10100–150K
2150K+
169 reports with mileage · 21 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 172 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read 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 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
2 crash reports0 fire reports2 injury reports
What owners actually said
190 reportsTL* THE CONTACT OWNS A 2005 BMW Z4. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE POWER STEERING FAILED AND THE STEERING WHEEL TIGHTENED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 38,000. UPDATED 10/31/13*LJ THE CONSUMER STATED THE STEERING WHEEL WAS S…
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TL* THE CONTACT OWNS A 2005 BMW Z4. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE POWER STEERING FAILED AND THE STEERING WHEEL TIGHTENED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 38,000. UPDATED 10/31/13*LJ THE CONSUMER STATED THE STEERING WHEEL WAS STICKY AND IT EXTREME EFFORT TO DRIVE THE VEHICLE. THE DEALER INFORMED HIM, THE ENTIRE STEERING COMPONENT NEEDED TO BE REPLACED. THE CONSUMER STATED THE STEERING INCIDENT HAPPENED AFTER THE VEHICLE WAS PARKED FOR 4 HOURS IN 85 DEGREE WEATHER. UPDATED 11/12/13
CAR'S STEERING STICK ON CENTER POSITION MAKING NORMAL STEERING CORRECTIONS NOTICEABLY DIFFICULT. AN EXTRAORDINARY AMOUNT OF FORCE NEEDS TO BE APPLIED TO THE STEERING WHEEL IN ORDER TO MAKE THE NECESSARY STEERING CORRECTION WHICH CAN CAUSE AN OVER-CORRECTION. ONCE OFF CENTER, IT IS THEN DIFFICULT TO RETURN THE WHEEL TO THE NEUT…
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CAR'S STEERING STICK ON CENTER POSITION MAKING NORMAL STEERING CORRECTIONS NOTICEABLY DIFFICULT. AN EXTRAORDINARY AMOUNT OF FORCE NEEDS TO BE APPLIED TO THE STEERING WHEEL IN ORDER TO MAKE THE NECESSARY STEERING CORRECTION WHICH CAN CAUSE AN OVER-CORRECTION. ONCE OFF CENTER, IT IS THEN DIFFICULT TO RETURN THE WHEEL TO THE NEUTRAL POSITION. THIS HAS HAPPENED REPETITIVELY, MOST OFTEN IN HOT WEATHER. DEALER WHERE WE BOUGHT THE CAR AND WHO DOES REGULAR MAINTENANCE HAS BEEN UNABLE TO REPLICATE THE PROBLEM, OR SO THEY SAY. BMW USA HAS BEEN CONTACTED ABOUT THE PROBLEM; AND, THEIR RESPONSE WAS "TAKE IT TO THE DEALER." BY WHAT I HAVE READ ON THE INTERNET, I AM NOT THE ONLY ONE EXPERIENCING THIS PROBLEM. I AM READY TO SEEK ADVICE FROM MY ATTORNEY. *JB
DRIVING MY 2005 BMW Z4 HAS BECOME A NON OPTION WHEN THE AMBIENT TEMPERATURE EXCEEDS 85. THE STEERING WHEEL BECOMES RESISTANT TO TURNING LEFT, OR RIGHT FROM CENTER. AND THEN YOU HAVE TO FIGHT IT BACK TO CENTER AS IT WILL STAY IN THE TURNED POSITION. THIS IS A REAL SHAME, I DON'T KNOW IF THEIR ENGINEERS REALIZE THIS, BUT CONVERTIB…
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DRIVING MY 2005 BMW Z4 HAS BECOME A NON OPTION WHEN THE AMBIENT TEMPERATURE EXCEEDS 85. THE STEERING WHEEL BECOMES RESISTANT TO TURNING LEFT, OR RIGHT FROM CENTER. AND THEN YOU HAVE TO FIGHT IT BACK TO CENTER AS IT WILL STAY IN THE TURNED POSITION. THIS IS A REAL SHAME, I DON'T KNOW IF THEIR ENGINEERS REALIZE THIS, BUT CONVERTIBLES ARE FOR WARM WEATHER. I WOULD EXPECT THIS FROM A GM OR FORD PRODUCT, BUT NOT FROM BMW WHO TOUTS AS BEING "THE ULTIMATE DRIVING MACHINE". THIS IS A VERY COMMON PROBLEM AND CAN NOT BELIEVE IT HASN'T BEEN ISSUED A RECALL. *TR
DRIVING STRAIGHT AT 55 MPH AND COULD NOT TURN STEERING WHEEL LEFT OR RIGHT WITHOUT A GREAT DEAL OF EFFORT. VERY DANGEROUS. SAME CONCERNS AS OTHERS WITH THIS MODEL. WILL NOT LET MY WIFE DRIVE. SOMETHING NEEDS TO BE DONE AS THESE CARS WILL CRASH AND HURT SOMEONE. PLEASE E-MAIL WITH SOME SORT OF A PLAN IN PLACE PLEASE. *TR
FIRST A DESCRIPTION OF THE PROBLEM: MY STEERING COLUMN TURNS SIMILAR TO THE FAN CONTROL SWITCH ON THE Z4 ? FROM DETENT TO DETENT AND NOT SMOOTHLY LIKE A VOLUME CONTROL ON A RADIO. IF YOU REACH FORWARD TO THE FAN CONTROL CONSOLE AND TURN IT YOU WILL NOTE THAT IT DOES NOT TURN SMOOTHLY IT GOES FROM STOP TO STOP TO STOP ABOUT EVERY…
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FIRST A DESCRIPTION OF THE PROBLEM: MY STEERING COLUMN TURNS SIMILAR TO THE FAN CONTROL SWITCH ON THE Z4 ? FROM DETENT TO DETENT AND NOT SMOOTHLY LIKE A VOLUME CONTROL ON A RADIO. IF YOU REACH FORWARD TO THE FAN CONTROL CONSOLE AND TURN IT YOU WILL NOTE THAT IT DOES NOT TURN SMOOTHLY IT GOES FROM STOP TO STOP TO STOP ABOUT EVERY 5 DEGREES. EACH STOP IS CALLED A DETENT. SO AS YOU TURN THE KNOB IT STARTS IN A DETENT THEN AS YOU TURN IT CLICKS INTO THE NEXT DETENT AND STOPS THEN YOU HAVE TO TWIST A BIT HARDER TILL IT CLICKS INTO THE NEXT DETENT. THAT IS HOW MY STEERING COLUMN ACTS WHEN IT IS HOT OUTSIDE. IT CLICKS INTO ONE DETENT AND THAT POSITION MAY NOT KEEP YOU DRIVING STRAIGHT DOWN THE ROAD. YOU TRY TO CORRECT IT AND IT WILL NOT TURN UNLESS YOU PUSH EXTRA HARD THEN IT GOES PAST THE POINT THAT WOULD KEEP YOU GOING STRAIGHT DOWN THE ROAD INTO THE NEXT DETENT AND YOU ARE PROGRESSIVELY HEADED OFF THE OTHER SIDE OF THE ROAD. AS YOU TRY TO CORRECT IT BY TURNING BACK, IT WILL NOT SMOOTHLY TURN BACK, IT RESISTS TILL YOU PUSH EXTRA HARD THEN IT GOES PAST THE POINT THAT WOULD KEEP YOU GOING STRAIGHT AND STOPS IN THE NEXT DETENT AND NOW YOU ARE HEADED OFF THE ROAD IN THE OTHER DIRECTION. *TR
AFTER THE CAR RUNS FOR A LITTLE, THE STEERING GETS VERY STICKY. IT'S VERY CHALLENGING TO STEER PROPERLY AND WHEN TRYING TO NEGOTIATE TURNS, I MUST JOLT THE WHEEL TO MOVE PASSED THE STICKINESS, RESULTING IN AN OVER CORRECTION. THERE IS NO WAY TO SAFELY DRIVE, MANEUVER OR CONTROL THE STEERING. VERY DANGEROUS. *TR
STEERING BECAME STICKY WHEN TRYING TO DO MINOR CORRECTIONS. IT IS VERY DIFFICULT TO KEEP CAR STRAIGHT WITHOUT EXERTING CONSIDERABLE FORCE IN BOTH LEFT AND RIGHT DIRECTIONS. PROBLEM IS WORSE WHEN OUTSIDE TEMPERATURE IS ABOVE 80F AND STEERING IS "NORMAL "WHEN CAR IS COLD. SUBSEQUENTLY, STEERING WHEEL DOES NOT EASILY RETURN TO CEN…
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STEERING BECAME STICKY WHEN TRYING TO DO MINOR CORRECTIONS. IT IS VERY DIFFICULT TO KEEP CAR STRAIGHT WITHOUT EXERTING CONSIDERABLE FORCE IN BOTH LEFT AND RIGHT DIRECTIONS. PROBLEM IS WORSE WHEN OUTSIDE TEMPERATURE IS ABOVE 80F AND STEERING IS "NORMAL "WHEN CAR IS COLD. SUBSEQUENTLY, STEERING WHEEL DOES NOT EASILY RETURN TO CENTER, OCCASIONALLY CAR WILL PULL IN EITHER DIRECTION, NOT SURE WHEN IT WILL GO LEFT AND WHEN RIGHT. DEALER WANTS TO REPLACE STEERING COLUMN FOR $3500. REPLACEMENT IS OEM PART SO NO DEALER GUARANTEE THAT REPLACEMENT WILL NOT PERFORM THE SAME WAY. *TR
THE STEERING GETS VERY STICKY ON WARM DAYS, ABOVE 75 DEGREES FAHRENHEIT. IT RESTRICTS THE STEERING TO THE POINT THAT IT IS HARD TO TURN THE WHEEL. THIS PROBLEM IS DEFINITIVELY A SAFETY ISSUE. *TR
THE STEERING STICKS IN PLACE AND YOU NEED TO JERK THE STEERING WHEEL TO GET THE CAR TO SLIGHTLY TURN. AFTER JERKING THE STEERING WHEEL, YOU HAVE NOW OVER CORRECTED AND MUST JERK IT THE OPPOSITE DIRECTION. THE PROBLEM IS WORSE WHEN THE TEMPERATURE IS HIGHER. IN TIGHT CONFINEMENTS OR TRAFFIC, THERE IS MANY TIMES NOT ADEQUATE ROO…
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THE STEERING STICKS IN PLACE AND YOU NEED TO JERK THE STEERING WHEEL TO GET THE CAR TO SLIGHTLY TURN. AFTER JERKING THE STEERING WHEEL, YOU HAVE NOW OVER CORRECTED AND MUST JERK IT THE OPPOSITE DIRECTION. THE PROBLEM IS WORSE WHEN THE TEMPERATURE IS HIGHER. IN TIGHT CONFINEMENTS OR TRAFFIC, THERE IS MANY TIMES NOT ADEQUATE ROOM FOR THE VEHICLE TO DART IN VARIOUS DIRECTIONS BECAUSE OF THE STICKING STEERING. *TR
Official recalls
0No recalls in this snapshot.
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
2PE10020 · 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.