Opel Signum ECU Tuning Files

Opel Signum ECU Tuning Files

This page lists 13 individual ECU files for the Opel Signum, covering 5 hardware numbers and 10 software numbers. ECU manufacturers: Bosch (7), Denso (3), Temic (1).

Available: Stage1, Stage1+, Stage1+++, Stage2, Stage2+ files. Modified files cost 10 EUR. Each file fits one exact software version, so check your ECU's HW and SW numbers before you buy.

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