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Kenny, BMW Technician
Category: BMW
Satisfied Customers: 1126
Experience:  BMW Master Certifed level 1 Technican
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I have a 2000 Z3 with the air bag light on code 240 internal

Customer Question

I have a 2000 Z3 with the air bag light on code 240 internal fault. My question is can i replace the controller with a used one or do i need a new one? the reason i ask is i've put two used ones in and i still have the code.
Submitted: 1 year ago.
Category: BMW
Expert:  Kenny replied 1 year ago.

You will need a new control unit and have it coded to your car. Once an airbag control unit is coded to the car it is married to that car forever that is why you are still getting the fault.