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2008 BMW Z4

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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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

Limited mileage data: 13 of 19 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 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Air Bags complaints

8 reports
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60,000 miles · Mar 9, 2020
Air Bags

TL* THE CONTACT OWNS A 2008 BMW Z4. THE CONTACT STATED THAT FOR SEVERAL MONTHS THE AIR BAG WARNING INDICATOR WAS FLASHING. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT WAS CONSTANTLY ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO THE DEALER OR AN INDEPENDENT MECHANIC FOR A DIAGNOSTIC TEST. THE MANUFACTURER WAS NOT NOTIFIED OF TH…

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TL* THE CONTACT OWNS A 2008 BMW Z4. THE CONTACT STATED THAT FOR SEVERAL MONTHS THE AIR BAG WARNING INDICATOR WAS FLASHING. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT WAS CONSTANTLY ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO THE DEALER OR AN INDEPENDENT MECHANIC FOR A DIAGNOSTIC TEST. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.

NHTSA ODI #11316959

Mileage unknown · Nov 26, 2019
Air BagsSeats

RECENTLY PURCHASED A 2008 BMW Z4. AFTER A WEEK OF OWNERSHIP THE AIRBAG LIGHT CAME ON. FAULT CODE POINTS TO THE PASSENGER SEAT OCCUPANCY SENSOR OC3. BMW ISSUED A 15 YEAR EXTENDED WARRANTY TO MANY BMW MODELS INCLUDING THE 2006 AND 2007 Z4 WITH COMFORT SEATS, BUT NOT TO THE 2008 MODEL. THIS REPAIR COSTS UPWARDS OF $1500 AND IS SAFE…

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RECENTLY PURCHASED A 2008 BMW Z4. AFTER A WEEK OF OWNERSHIP THE AIRBAG LIGHT CAME ON. FAULT CODE POINTS TO THE PASSENGER SEAT OCCUPANCY SENSOR OC3. BMW ISSUED A 15 YEAR EXTENDED WARRANTY TO MANY BMW MODELS INCLUDING THE 2006 AND 2007 Z4 WITH COMFORT SEATS, BUT NOT TO THE 2008 MODEL. THIS REPAIR COSTS UPWARDS OF $1500 AND IS SAFETY RELATED. BMW NEEDS TO STEP UP AND COVER ALL AFFECTED MODELS!

NHTSA ODI #11282391

Mileage unknown · Oct 25, 2019
Air Bags

THE AIRBAG RED LIGHT ON DASH APPEARED AND STAYED ON,ALSO PASSENGER YELLOW AIRBAG LIGHT STAYS ON .TOOK TO BMW DEALER THEY INFORMED ME THAT THE PASSENGER SEAT OCCUPANCY SENSOR MAT WAS DEFECTIVE AND NEEDED TO BE REPLACED AT A COST AROUND 1,600.00 . ERROR CODE 93C3 THEY INFORMED ME WITH THIS PROBLEM I DO NOT HAVE ANY AIRBAG PROT…

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THE AIRBAG RED LIGHT ON DASH APPEARED AND STAYED ON,ALSO PASSENGER YELLOW AIRBAG LIGHT STAYS ON .TOOK TO BMW DEALER THEY INFORMED ME THAT THE PASSENGER SEAT OCCUPANCY SENSOR MAT WAS DEFECTIVE AND NEEDED TO BE REPLACED AT A COST AROUND 1,600.00 . ERROR CODE 93C3 THEY INFORMED ME WITH THIS PROBLEM I DO NOT HAVE ANY AIRBAG PROTECTION . THIS IS A SAFETY PROBLEM AND I BELIEVE THEY HAVE REPAIRED OTHER MODELS BUT NOT THIS MODEL . WHY ?

NHTSA ODI #11271045

80,000 miles · Oct 12, 2019
Air Bags

DASHBOARD AIRBAG WARNING LIGHT CAME ON - OBD SCAN INDICATES THE PASSENGER SEAT OC3 AIRBAG SENSOR MAT HAS FAILED. I BELIEVE THIS MEANS THE VEHICLE CAN NO LONGER DETECT IF THERE IS A CHILD IN THE PASSENGER SEAT, AND WILL DEPLOY AIRBAGS REGARDLESS OF PASSENGER WEIGHT. BMW HAS A SERVICE BULLETIN FOR MANY OTHER MODELS AND YEARS (INCL…

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DASHBOARD AIRBAG WARNING LIGHT CAME ON - OBD SCAN INDICATES THE PASSENGER SEAT OC3 AIRBAG SENSOR MAT HAS FAILED. I BELIEVE THIS MEANS THE VEHICLE CAN NO LONGER DETECT IF THERE IS A CHILD IN THE PASSENGER SEAT, AND WILL DEPLOY AIRBAGS REGARDLESS OF PASSENGER WEIGHT. BMW HAS A SERVICE BULLETIN FOR MANY OTHER MODELS AND YEARS (INCLUDING MY Z4 MODEL - BUT NOT YET FOR MY 2008 MODEL YEAR).

NHTSA ODI #11268089

55,920 miles · Apr 24, 2018
Air Bags

A FAILED FRONT PASSENGER AIR BAG SEAT SENSOR MAT CAUSES THE AIR BAG WARNING LAMP AND THE PASSENGER AIR BAG 'ON-OFF' LAMP TO BE ILLUMINATED SIMULTANEOUSLY. IN AUGUST 13, 2008, BMW ISSUED A VOLUNTARY RECALL INVOLVING FRONT PASSENGER SEAT SENSOR MAT ON U.S.A. MODEL BMWS REGARDING THE FRONT PASSENGER AIR BAG SEAT SENSOR MAT INVOLV…

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A FAILED FRONT PASSENGER AIR BAG SEAT SENSOR MAT CAUSES THE AIR BAG WARNING LAMP AND THE PASSENGER AIR BAG 'ON-OFF' LAMP TO BE ILLUMINATED SIMULTANEOUSLY. IN AUGUST 13, 2008, BMW ISSUED A VOLUNTARY RECALL INVOLVING FRONT PASSENGER SEAT SENSOR MAT ON U.S.A. MODEL BMWS REGARDING THE FRONT PASSENGER AIR BAG SEAT SENSOR MAT INVOLVING APPROXIMATELY 200,000 MODEL YEAR 2004-06 VEHICLES. MY SIMILARLY AFFECTED 2008 VEHICLE WAS NOT INCLUDED IN THE RECALL. THE RECALL ALSO STATES THAT IN THIS SITUATION, BMW RECOMMENDS CUSTOMERS NOT TO USE THE FRONT PASSENGER SEAT AND HAVE THE VEHICLE SERVICED IMMEDIATELY. WHEN I CALLED MY LOCAL BMW DEALER, I WAS ADVISED OF A $152 SHOP DIAGNOSIS FEE AND A LIKELY REPAIR COST OF $1800. THIS IS A PROHIBITIVE COST FOR A FACTORY DEFECT ON A 73 YEAR OLD SENIOR CITIZEN LIVING ON SOCIAL SECURITY.

NHTSA ODI #11089840

55,800 miles · Dec 12, 2016
Air Bags

'THE VEHICLE WAS PURCHASED USED FROM A DEALER IN OCTOBER 2012, WITH ABOUT 30600 MILES;, CURRENT MILEAGE IS ABOUT 57400. THE AIRBAG DISABLED LIGHT IN INSTRUMENT CLUSTER STARTED ACTING UP SEVERAL MONTHS AGO; NOW IT IS ON AT ALL TIMES, WHETHER OR NOT A PASSENGER IS IN THE SEAT OR THE CAR IS IN MOTION OR STOPPED. A SCAN OF THE VEHI…

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'THE VEHICLE WAS PURCHASED USED FROM A DEALER IN OCTOBER 2012, WITH ABOUT 30600 MILES;, CURRENT MILEAGE IS ABOUT 57400. THE AIRBAG DISABLED LIGHT IN INSTRUMENT CLUSTER STARTED ACTING UP SEVERAL MONTHS AGO; NOW IT IS ON AT ALL TIMES, WHETHER OR NOT A PASSENGER IS IN THE SEAT OR THE CAR IS IN MOTION OR STOPPED. A SCAN OF THE VEHICLE SHOWS A DEFECTIVE PASSENGER OCCUPANCY SENSOR / MAT. RESETTING THE LIGHT WITH THE SCAN TOOL DOES NOT FIX THE PROBLEM. MANY 2008 BMW MODELS WERE RECALLED FOR A SIMILAR PROBLEM, BUT NOT THE Z4, EVEN THOUGH THERE ARE SEVERAL COMPLAINTS LISTED HERE. THE LOCAL BMW DEALER WANTS $152.00 SHOP DIAGNOSIS FEE AND A REPLACEMENT MAT SWITCH COULD BE $1800.00. THIS IS A SAFETY ISSUE KNOWN BY THE MANUFACTURER FROM THE BEGINNING AND SHOULD BE INCLUDED IN THE RECALL.

NHTSA ODI #10934903

77,000 miles · Jul 13, 2016
Air Bags

TAKATA RECALL AIRBAG LIGHT ON AT ALL TIMES ON THE INSTRUMENT CLUSTER. A SCAN OF THE VEHICLE SHOWS A DEFECTIVE PASSENGER SEAT CUSHION SENSOR. RESETTING THE LIGHT WITH THE SCAN TOOLS DOES NOT FIX THE PROBLEM, THE LIGHT GOES BACK ON IMMEDIATELY AND STAYS ON WHETHER THERE IS A PASSENGER SEATED IN THE VEHICLE OR NOT. IT DOES NOT …

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TAKATA RECALL AIRBAG LIGHT ON AT ALL TIMES ON THE INSTRUMENT CLUSTER. A SCAN OF THE VEHICLE SHOWS A DEFECTIVE PASSENGER SEAT CUSHION SENSOR. RESETTING THE LIGHT WITH THE SCAN TOOLS DOES NOT FIX THE PROBLEM, THE LIGHT GOES BACK ON IMMEDIATELY AND STAYS ON WHETHER THERE IS A PASSENGER SEATED IN THE VEHICLE OR NOT. IT DOES NOT MAKE A DIFFERENCE IF THE VEHICLE IS STATIONARY OR MOVING. I PURCHASED THE VEHICLE USED ON MAY 7TH 2016 AND THE LIGHT WAS ON WHEN I PURCHASED THE VEHICLE.

NHTSA ODI #10884703

70,000 miles · Jan 25, 2016
Air Bags

LIGHT INDICATING PASSENGER AIRBAG WAS DISABLED BEGAN COMING ON WHILE PASSENGER IN THE SEAT. WITHIN A FEW WEEKS OF NOTICING THIS, PASSENGER AIRBAG ALWAYS INDICATES OFF. MANY 08 MODELS WERE RECALLED FOR PASSENGER AIRBAG MAT FAILURES, BUT NOT THE Z4 (TOO FEW CARS MADE?) I CALLED BMW-USA AND A CASE AGENT CALLED ME BACK. BMW W…

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LIGHT INDICATING PASSENGER AIRBAG WAS DISABLED BEGAN COMING ON WHILE PASSENGER IN THE SEAT. WITHIN A FEW WEEKS OF NOTICING THIS, PASSENGER AIRBAG ALWAYS INDICATES OFF. MANY 08 MODELS WERE RECALLED FOR PASSENGER AIRBAG MAT FAILURES, BUT NOT THE Z4 (TOO FEW CARS MADE?) I CALLED BMW-USA AND A CASE AGENT CALLED ME BACK. BMW WOULD TAKE NO RESPONSIBILITY FOR THE FAILURE.

NHTSA ODI #10822054

Official recalls

2

22V119000 · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)

Mar 2, 2022

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.

17V683000 · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)

Oct 30, 2017

BMW of North America, LLC (BMW) is recalling certain 2008-2011 128i and 2007-2011 328i, 328xi, 328i xDrive, 525i, 525xi, 528i, 528xi, 530i, 530xi, X3 3.0si, X3 xDrive30i, X5 xDrive30i, Z4 3.0i, Z4 3.0si and Z4 sDrive30i vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.

Consequence & remedy

Consequence: An electrical short can cause the parts within the PCV valve to melt, increasing the risk of a fire, even when the vehicle is not in use.

Remedy: BMW will notify owners, and dealers will replace the PCV valve heater, free of charge. Interim letters were mailed on November 27, 2017. Owners will receive a second notification by the end of October 2018. Owners may contact BMW customer service at 1-800-525-7417.

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

0

No exact-year investigations in this snapshot.