programming the cas4,4+ key on the bench. we program by selecting coding / programming options, it does not work when the option ON THE BENCH is selected. To do this, connect the ah tricore cable. you must connect ENET and CAN buses. connecting the ENET bus will unlock CAS 4.4 +, the Can bus will detect a new key in the key coil. the new key must have the same frequency as cas4,4 +,REGARDS

What wires & connections are needed to do this on the bench other then autohex and tricore cable? Been interested in setting this up for cas 3, 3+, 4, 4+ and I have a local wrecking yard that is full of bmws..so access to parts is plentiful. Thank you.

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https://www.microtronik....CAS-4-PINOUT-FOR-AUTOHEX 
in this topic there are two schemes. the first zgw-can connection, the second zgw-enet.

programming the cas4,4+ key on the bench. we program by selecting coding / programming options, it does not work when the option ON THE BENCH is selected. To do this, connect the ah tricore cable. you must connect ENET and CAN buses. connecting the ENET bus will unlock CAS 4.4 +, the Can bus will detect a new key in the key coil. the new key must have the same frequency as cas4,4 +,REGARDS

Before 1 week I programed CAS4+ on bech without problems

You must use gateway and you can program on both ways - on bench or like on the car