Taken from a post off the Enyaq Facebook group:
News regarding ME4.0:
Model name ’80’ to be dropped and replaced by ’85’.
New APP550 drive unit for the 85, 85x and RS.
New 85 variant will have higher performance, better acceleration and greater range. (85 = 210kw/286bhp)
Battery pre-heating will be added.
Improved infotainment system.
New model year orders possible from 14th September.
Current model year available for order up to and including 13th September.
Model year change will take place at the factory in week 44 (October 30th – November 5th).
From what I gather a press release is expected tomorrow (15th).