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Need help in coding FEM after replacement

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#61 ·
__mkw said:
few word on the end of this thread. Replacement of FEM is only possible with new (not used) module which is factory programmed by BMW to VIN of the car. Probably in used FEM is not possible to update some codes/certificates. In my FEM one of relays was damaged. After replacement of this element everything works fine. The used FEM (I bought it earlier) ended up as relay donor.
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Hey@__mkw Can you please explain how you manage to find which relay was bad in your old fem? I only have a problem with headlight and have ordered an used FEM. I would like to do the same than you : repairing my old fem with the used one bought on eBay. How can I check the relays inside ? Thanks
 
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