← New search

2004 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

Other model years Selected 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

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

Steering complaints

378 reports
Clear category filter
125,000 miles · Jul 27, 2022
Steering

The contact owns a 2004 BMW Z4. The contact stated while driving at various speeds in warm weather, the steering wheel was difficult to turn. The contact stated no warning light was illuminated. The contact was able to park on the side of the road. The contact continued driving with caution to his destination. The vehicle was no…

Read full complaint

The contact owns a 2004 BMW Z4. The contact stated while driving at various speeds in warm weather, the steering wheel was difficult to turn. The contact stated no warning light was illuminated. The contact was able to park on the side of the road. The contact continued driving with caution to his destination. The vehicle was not diagnosed or repaired. A dealer was not contacted. The manufacturer had not been informed of the failure. The failure mileage was approximately 125,000.

NHTSA ODI #11476051

Mileage unknown · Jun 10, 2022
Steering

The the vehicle sits out in the sunlight or its warm outside (usually over 80F) the steering wheel will get very notchy and “stick” towards the center position at highway speeds. This makes minor steering corrections at highway speeds very difficult to make without unintentionally leaving your own lane possibly into another car…

Read full complaint

The the vehicle sits out in the sunlight or its warm outside (usually over 80F) the steering wheel will get very notchy and “stick” towards the center position at highway speeds. This makes minor steering corrections at highway speeds very difficult to make without unintentionally leaving your own lane possibly into another car. This is very much a safety issue! This has happened on multiple occasions since the week after I got it in May 2022. Tonight its only 65 degrees and it was acting up (this is 2 hours after sunset).

NHTSA ODI #11468557

Mileage unknown · Mar 14, 2022
Steering

The steering wheel is "sticky" and has play in it when you are driving it. It appears to have steering drift. I feel this car is not safe to drive and is hard to control. No warning messages have come on. When I searched online, it appears that many others are having trouble with their 2004 z4 steering.

NHTSA ODI #11456655

Mileage unknown · Sep 9, 2021
Steering

I own a 2004 BMW Z4 2.5i I bought it used in 2010 with 22,000 miles. It was on a cool December day when I test drove the car and I loved it. No sign of any steering problems. On a warmer day after driving for a while I suddenly experienced a unexpected binding of the steering and almost binding ended up steering into oncoming t…

Read full complaint

I own a 2004 BMW Z4 2.5i I bought it used in 2010 with 22,000 miles. It was on a cool December day when I test drove the car and I loved it. No sign of any steering problems. On a warmer day after driving for a while I suddenly experienced a unexpected binding of the steering and almost binding ended up steering into oncoming traffic. This really scared me and I started investigating. Yes, this is a known safety defect, but BMW doesn’t do anything about it. NHTSA, which supposed to protect us from unsafe vehicles, did not do their job either. I am a retired Automotive engineer with Fiat-Iveco and NHTSA made my company recall vehicles for much less. The defect gets worse in hot weather and I don’t let my son, friends or anybody else drive the vehicle, as I am afraid that they could get hurt, aside from a liability issue on my side. I can’t really sell the vehicle with a known safety defect from a moral standpoint and I definitely would be liable should the car get involved in an accident caused by a known defect. BMW and NHTSA do your job before somebody gets hurt or killed! Doing nothing, will cost you more in Settlements and Reputation in a long run…the problem will not go away by doing nothing! Following site lists 137 BMW Z4 owners reporting problems related to steering column: https://www.carproblemzoo.com/bmw/z4/steering-column-problems.php This is a major design and safety defect and justifies a safety recall!

NHTSA ODI #11432357

Mileage unknown · Aug 31, 2021
Steering

Whenever the temperature Is above 80 degrees the steering becomes very stiff with no power assist due to a design defeat within the steering column. The vehicle because very dangerous to drive due to the lack of steering control. This problem effects all BMW Z4s from 2003 to 2006. BMW wants the owners to have the dealer replace …

Read full complaint

Whenever the temperature Is above 80 degrees the steering becomes very stiff with no power assist due to a design defeat within the steering column. The vehicle because very dangerous to drive due to the lack of steering control. This problem effects all BMW Z4s from 2003 to 2006. BMW wants the owners to have the dealer replace the steering column for $6,000. Please assist us in having BMW issue a Recall for a very dangerous situation they created with a defectively designed steering column.

NHTSA ODI #11431210

51,590 miles · Apr 2, 2021
Steering

STEERING STICKS CAUSES EXCESSIVE FORCE TO TURN STEERING DURING HIGHWAY DRIVING

NHTSA ODI #11406128

Mileage unknown · Dec 22, 2020
Steering

UNFORTUNATELY, I HAVE A LOT OF PROBLEMS WITH THE STEERING WHEEL OF MY 2005 BMW Z4. IT IS COMPLETELY UNSTABLE. FOR INSTANCE: 1)IT KEEPS PULLING TO THE LEFT, OR TO THE RIGHT. IT REQUIRES CONSTANT ADJUSTMENTS SO THAT I COULD KEEP THE CAR ALIGNED, OR CENTERED. 2)I EXPERIENCE SUDDEN JERKS TO THE LEFT, OR TO THE RIGHT WHEN THE R…

Read full complaint

UNFORTUNATELY, I HAVE A LOT OF PROBLEMS WITH THE STEERING WHEEL OF MY 2005 BMW Z4. IT IS COMPLETELY UNSTABLE. FOR INSTANCE: 1)IT KEEPS PULLING TO THE LEFT, OR TO THE RIGHT. IT REQUIRES CONSTANT ADJUSTMENTS SO THAT I COULD KEEP THE CAR ALIGNED, OR CENTERED. 2)I EXPERIENCE SUDDEN JERKS TO THE LEFT, OR TO THE RIGHT WHEN THE ROAD SURFACE IS SLIGHTINGLY UNEVEN. I CAN NEVER PREDICT WHICH WAY THE CAR PULLS ME. I STRUGGLE A LOT TO KEEP THE STEERING CENTERED WHEN STOPPING AT ANY RED LIGHTS. 3) SOMETIMES, THE STEERING FEELS LIKE IT IS STUCK

NHTSA ODI #11384494

80,000 miles · Jul 28, 2020
Steering

I HAVE A 2004 BMW Z4 WHICH I PURCHASED USED IN 2016 WITH 67000 MILES ON IT. OVER THE PAST 2 YEARS, THE STEERING HAS BECOME STICKY AND HARD TO KEEP THE VEHICLE IN MY LANE WHEN TRAVELLING STRAIGHT. I HAVE TO CONSTANTLY CORRECT THE STEERING AS THE CAR TRIES TO PULL EITHER TO THE LEFT OR RIGHT. ALSO, IT IS HARD TO CORRECT THE PULL, …

Read full complaint

I HAVE A 2004 BMW Z4 WHICH I PURCHASED USED IN 2016 WITH 67000 MILES ON IT. OVER THE PAST 2 YEARS, THE STEERING HAS BECOME STICKY AND HARD TO KEEP THE VEHICLE IN MY LANE WHEN TRAVELLING STRAIGHT. I HAVE TO CONSTANTLY CORRECT THE STEERING AS THE CAR TRIES TO PULL EITHER TO THE LEFT OR RIGHT. ALSO, IT IS HARD TO CORRECT THE PULL, RESULTING IN JERKY DRIVING OR OVERCORRECTION. THE PROBLEM HAPPENS WHEN DRIVING BOTH STRAIGHT AND ON CURVES. IT SEEMS TO HAPPEN MORE OFTEN IN WARMER WEATHER, BUT HAVE EXPERIENCED A SLIGHT PROBLEM EVEN IN COOLER WEATHER. IT HAS OCCURRED AT BOTH SLOWER SPEEDS AND HIGHWAY SPEEDS. THIS PROBLEM BEGAN AT APPROXIMATELY 80000 MILES. I HAVE OWNED THE CAR 5 YEARS AND HAVE PUT LESS THAN 20000 MILES ON IT IN THAT TIME PERIOD, SO IT IS NOT DRIVEN EXCESSIVELY OR UNDER HARSH DRIVING CONDITIONS.

NHTSA ODI #11341767

77,400 miles · Jul 24, 2020
Steering

WHEN THE TEMPERATURE REACHES APPROXIMATELY 80 DEGREES THE STEERING STARTS TO STICK AND BECOMES JERKY IN ORDER TO STAY IN THE DRIVING LANE. IT GETS INCREASINGLY WORSE AS THE TEMPERATURE RISES TO THE POINT THAT THE CAR BECOMES DIFFICULT TO HANDLE. OVER A PERIOD OF TIME, WHILE IN ROUTE TO MY DESTINATION, IT BECOMES EXHAUSTING TO DR…

Read full complaint

WHEN THE TEMPERATURE REACHES APPROXIMATELY 80 DEGREES THE STEERING STARTS TO STICK AND BECOMES JERKY IN ORDER TO STAY IN THE DRIVING LANE. IT GETS INCREASINGLY WORSE AS THE TEMPERATURE RISES TO THE POINT THAT THE CAR BECOMES DIFFICULT TO HANDLE. OVER A PERIOD OF TIME, WHILE IN ROUTE TO MY DESTINATION, IT BECOMES EXHAUSTING TO DRIVE. IT IS VERY DANGEROUS TO BE ON THE ROAD IN THE SUMMER, WHICH IS THE BEST TIME FOR DRIVING A ROADSTER WITH THE CONVERTIBLE TOP DOWN.

NHTSA ODI #11341366

42,000 miles · Jul 12, 2020
Steering

STEERING GETS STICKY INTERMITTENTLY, MORE COMMON WHEN VEHICLE IS HOT. SEEMS LIKE A LOSS OF POWER STEERING. VEHICLE ONLY HAS 42K MILES. DIFFICULT TO MAINTAIN LANE ESPECIALLY ON CURVES AND IN CITY TRAFFIC. VERY DANGEROUS AND UNEXPECTED.

NHTSA ODI #11338862

Official recalls

1

04V182000 · Fuel System, Gasoline:delivery:fuel Pump

Apr 12, 2004

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.