E46 cluster controls a lot of things

[VinceM]

My cluster blew up then my central locking went air con. Went too. I replaced it now, everything works.

 

[zaleonardz]

It is more likely that a device on the K-Line was corrupting the bus and thats why the other modules were unresponsive.

Would be interested have diagnosed this car, simply because the only tie between them is a single bus wire..