I am helping a friend who has had the BAM engine fitted to his s3, I read the ecu to see what software it is running and it still had the 210bhp ECU flash.
Engine: 1.8L R4/5VT
SW upg.: 8N0906018J
I tried a BAM file 8N0906018BH / 0261207751 / 1037362999 and it worked but the tickover was hunting with the new flash.
Has anyone had this problem after an ECU flash update?