"?SI B01 09 14 September 2014 WarrantiesWarranties This Service Information bulletin supersedes SI B01 09 14 dated August 2014. Please read this Service Information bulletin in its entirety, the content has been completely updated. designates changes to this revision SUBJECT Front Passenger Air Bag Seat Occupancy Sensor (OC3) Mat: Limited Warranty Extension to 15 years Without Mileage Limitation. INFORMATION BMW of North America, LLC (""BMW NA"") is extending the limited warranty for the Supplemental Restraint System's (SRS) front passenger air bag seat occupancy sensor (OC3) mat on certain model BMW vehicles to: 15 years without mileage limitation as determined by the vehicle's original in-
full bulletin at NHTSA ↗2007 BMW Z4 airbags problems
severe Owners of the 2007 BMW Z4 have filed 6 NHTSA complaints about the airbags at roughly $1,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See airbags across all vehicles →
| Model year | airbags complaints |
|---|---|
| 2005 Z4 | 7 |
| 2006 Z4 | 11 |
| 2007 Z4 (this page) | 6 |
| 2008 Z4 | 8 |
When does it fail?
Of the 6 airbags complaints filed for the 2007 BMW Z4, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Airbags accounts for 18% of all owner complaints filed against this vehicle, across 4 categories tracked.
No new NHTSA airbags complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering airbags on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
While in motion the vehicle accelerates for 2 to 3 seconds periodically on highway and in city. While in motion at low speed and when stationary after driving only a few miles the vehicle engine shuts down. While in motion at high speed the vehicle engine stutters badly but does not turn off. The ignition switch has to be tuned off and then on again, and then the engine turns over and I'm able…
Takata recall. My car is experiencing the passenger occupancy sensor mat failure. BMW is not honoring extended warranties and denied my claim because my car is a 2007. It was built in december of 2006. Both the airbag warning light and the passenger airbag not working light are illuminated.
On 8/19/2015 while leaving my neighbor hood going around 25 MPH my passenger side air bag randomly deployed. The car is a 2007 BMW z4 with only 32000 miles. I didn't hit a pot hole or anything that might have set it off.
Common questions
How serious is the airbags problem on the 2007 BMW Z4?
It's a meaningful issue. 6 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,100.
At what mileage does the airbags typically fail?
Based on the 6 complaints filed, airbags issues most often appear around 76,625 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,100 for airbags repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to airbags?
No active recalls currently cover airbags issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.