Seat Leon 1.9 TDI ECU Tuning Files

Seat Leon 1.9 TDI ECU Tuning Files

This page lists 14 individual ECU files for the Seat Leon 1.9 TDI, covering 12 hardware numbers and 12 software numbers. ECU manufacturers: Bosch (14).

Available: Stage1, Stage2, Stage3, Stage4 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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