OB5 DL501 PDK 7-Speed transmission mechatronic oil filter
The DL501 transmission was fitted with two types of mechatronic high pressure filter options.
This can be identified based on manufacturing date 22/2010 for the 2011 model year.
Version 1 was initially integrated into cooling line and was not replaceable.
Version 2 was modified to allow for filter cartridge to be serviceable.
