Airbag control unit with part number 65.77-9247024-01

What does the airbag control unit 65.77-9247024-01 do?

The airbag control unit 65.77-9247024-01 is the central control unit of the restraint system (SRS) for BMW. It evaluates the signals from the sensors, decides within milliseconds in a crash whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident it stores crash data and locks itself.

The unit reports faults via the airbag warning light in the instrument cluster.

Why does the control unit 65.77-9247024-01 fail?

The most common cause on the 65.77-9247024-01 is crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot erase this data. Other causes are aged components, cold solder joints, moisture, corrosion and voltage spikes.

The crash data stays in the memory until Airbag24 removes it during the repair.

The other causes relate to ageing and electrics. Components lose reliability over time, solder joints can go cold, and moisture attacks plug connections.

How can you tell that the 65.77-9247024-01 is defective?

A defect in the 65.77-9247024-01 shows up as the airbag warning light in the instrument cluster, as an error message, as a lack of connection between the diagnostic tool and the control unit, and as a fault memory that cannot be cleared.

The airbag warning light indicates the fault, either permanently or intermittently. In an emergency, airbags and seatbelt pretensioners may not deploy. Please have the warning checked promptly.

Which vehicles is the 65.77-9247024-01 fitted in?

The control unit 65.77-9247024-01 is listed as fitted in this assignment: BMW M6 F06 Gran Coupé (2013-2018).

The list of vehicles follows here:

• BMW M6 F06 Gran Coupé (2013-2018)

Compare the part number on the label of the removed unit with this page to make sure you have the right unit. Also have the fault memory read out. Only the log shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 6577-7911607, 65776807634, 65776808580, 65776837359, 65779240238, 65779243272.

How does the repair of the 65.77-9247024-01 work?

First have the fault memory read out and attach the log to the order. Then disconnect the battery and only then remove the control unit 65.77-9247024-01. Create a repair order online and send in the well-packed unit. Airbag24 usually needs 3–4 working days for testing, repair and checking.

Airbag24 examines the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. Afterwards your own unit is returned to you.

Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit 65.77-9247024-01 get to Airbag24?

You send the control unit 65.77-9247024-01 to Airbag24 by parcel, or book a UPS collection for an extra charge. The return after the repair is made by UPS.

Pack the unit shock-proof and place the printed repair order in the parcel.