Has anybody tried a ByteFLASH tune from the link below? It was on the r36 forum in UK and they claim an increase of 35bhp, tunes the DSG and has the R36 clocking 0-100 In 4.9s. The appeal is also how easy it is to install.

Passat R36 Forum - R36Owners.NET - Passat R36, 3.6 V6 DSG •...