The E89 35is with DCT will take ESS stage 1, but not stage 2. Per ESS last week. Im about to buy their flash for my new 35is, and add a valet tune to it.
'08 Alpine white E92 M3 with DTC--Sold
'12 Alpine white E92 335 Xdrive with slush box
'07 Summit white Chevy 2500 HD Duramax/Allison
'12 Alpine white Z4 35is via EuroDelivery June 4th