BMW LCM Diagnosis 

 

 

 
 
Use the 912 plug. + and – can also be used from cigarette lighter 
 

 

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Program the cluster and EWS first

 

 

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  Connect the 912 cable like in the picture to the diagnostic connector in the car 

(older models use the round diagnosis plug) 

 

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  Select the menue   

BMW 

 LKM / LCM  Diag

 

 

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  Old value , HW and SW number will be displayed in the Tacho Universal  

 

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Press a key and program to 0

   

 

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  Ignition off and on again 

 

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  If you read again now the LCM will have the value from cluster