instrument cluster mileage
 

Hi I've got a 2002 avant 1.9tdi and I'm changing the Rev/speedo cluster as the current one has a cracked plastic screen. 1st question is it possible to swap just the front clear plastic over or does the whole cluster need changing ? 2nd question. If I change the whole cluster is the millage store in the the cluster or ecu as I would like to keep the current mileage.
Thanks
Nathan