The '4E0 862 333 x' HW part number is for the "TELEFONMODUL EU" ECU that uses the car sound system and optionally uses the dedicated Bluetooth accessory handset that goes in the armrest.
I've seen it with both ... B and ... C part numbers; they are functionally the same.
You can't easily select the software level [you'll get the level installed in the ECU when it was removed from the previous car] as most sellers don't think to check this before it comes out of the car! Note that labels on the ECU [as you can see on Ebay listings] that show the hardware number and software number - 4E0 910 333 x - show the originally installed level of software at manufacture, not the current level installed.
You can obviously check the software level after you replace the ECU by running VCDS and it's probably worth running the optical test too on the MOST Bus, before you put the carpet back!
If the ECU you get and install is not at the final software level for this ECU - SW 4E0 910 333 F : MMI Level 0770 - you'll need an MMI update CD at level 2120 or later.
Julian
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Audi A8 3.0TDi MY2016 in Nautilus Silver.
Audi A8 3.0TDI MY2005 in Midnight Blue. Gone since 2018, after 10 years!
Last edited by JulianHicks; 2nd October 2016 at 11:08 AM.
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