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What does it mean if my car is missing the necessary equipment for coding?
Control units do not know all the built-in equipment of a vehicle. It is possible that coding has been accepted without the necessary equipment for this coding being installed.
For instance, today BMW has up to 6 different mirror wirings. For the mirror folding to work after coding, a LIN bus needs to be built in. This is often the case for mirrors with external heating.
The acoustic signal when locking/unlocking requires a built-in siren (found in anti-theft systems). Without one, the coding can still be activated, but there won’t be an audible signal when locking/unlocking the car.
We are confident this information will help you. In case of more questions, please contact our team here.
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