BMW Restraint system fault
BMW Restraint system fault

BMW Restraint system fault

The message Pasenger’s / Driver’s Restraint system fault indicates on one or a few SRS (Supplementary Restraint System) components fault. That system is responsible for your safety so DO NOT IGNORE IT!!!

The photo taken in 5 Series E60

The components that can be failed are:
• crash sensor
• airbag control unit
• one of actuators:

- airbags
- seat belt pre-tensioners,
- BST - Battery Safety Terminal
- seat occupancy sensor and many others.

The photo taken in 7 Series F01

Read more about the SRS here:
The most common reason why the message Pasenger’s / Driver’s Restraint system fault appears is the seat occupancy sensor fault in the passenger's seat or (only in 7 Series) in the driver's seat. Also often fault are the seat belt pre-tenstioner, BST and less frequently airbags. Do the computer diagnostic to find out which SRS component is faulty. Please remember that the message displayed on iDrive will not show which component is faulty! Only connecting to diagnostic machine can unequivocally point which one is.

The photo taken in 7 Series E65

Unfortunately, many mechanics can not do the proper diagnostic - our customers often say they did the computer diagnostic but they still don't know anything and don't have a clue which device they need. To avoid such situation, print the diagnostic protocol and ask your mechanic to fill it in. On the basis of it we will tell you which one device you need - you will save time and money!


There are situations that diagnostic machine shows one of components fault though it is not faulty. In order not to spend a fortune for exchange working component you can use one of our devices to make sure that this one is the reason of the message - visit our shop.

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