At 11:38 AM 8/18/97 BST, you wrote: >Hi All, Does any know where i can get some Efi software for 80c535/8051 OR any that works on a PC!, If you could E-mail me "direct" at dave at palms.demon.co.uk . bye Dave Yeah.. try Robert Bosch GmBH... *grin* The 80C535/515 was used for the majority of their Motronic EFI units from 1988-1991 Jim