Solution : https://service.sap.com/sap/support/notes/492536 (SAP Service marketplace login required)
Key words : 
d029035>--------------------------latest component version/patch level requirementsthe required component version/patch level depends, mysap srm27/feb/03      1      latest component version/patch level requirements22/jan/03      2      availability, mysap srm - e-procurement capabilities master      guidesee sap service marketplace, symptom   mysap supplier relationship management - e-procurement capabilities, mysap srm - e-procurement capabilities master    guide -------------------------<22/jan/03, master guide mysap srm - sap sus & sap bidding engine, documentation master guide mysap srm - e-procurement capabilities, master guide mysap srm - e-procurement capabilities, contents      =================   date      section   description-----------------------------------------------------------------------18/sep/03      1      mysap srm, mysap srm - e-procurement capabilities license
Related Notes : 
       
| 597649 | Connection EBP 3.5 to BI Content add-on 3.2 or higher | 
| 569649 | Support Package 05 for SRM 2.0 | 
| 559048 | Support Package 04/Service Release 01 for SRM 2.0 | 
| 547725 | Support Package 03 for SRM 2.0 | 
| 535161 | Support Package 02 for SRM 2.0 | 
| 510123 | SAPKU35001: Support Package 01 for SRM 2.0 | 
| 508806 | Master Guide mySAP SRM - SAP SUS & SAP Bidding Engine | 
| 503791 | Additional information on upgrading to EBP 3.5 | 
| 503196 | Enterprise Buyer 3.5 Installation: Composite Note |