Alternator Question

[Spoon]

Hi

i have recently installed some ICE and need to upgrade my alternator on a 1.6 1998 Audi A3
it currently has a 90Amp Alternator on it and wanted to know what the bigest one i could put on it as a direct replacement eg no modding

 

[dan_a3]

You got a part number of the alternator thats on there at the mo?