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Old 06-17-2014, 01:37 PM   #4
3rd Gear Member
Join Date: Apr 2005
Location: Vaughan
Posts: 357
Hook up a OBD2 software and see if you can read the modules. You should find out which module is not on the bus anymore. The LCM, DME and Cluster are all on the same bus and talk to each other. Sounds like LCM and Cluster are damaged or have some wires burned out. Cluster will cost you a lot of money and you will need a specialist to sink it back to LCM and DME. Clusters are one time programmable if I remember correctly. BMW Scanner 1.4 can read all the modules, should tell you which one is not talking right on the bus. Might even point out the errors like bus error on LCM, etc.
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