BMW E39 540i ECU Tuning Files

BMW E39 540i ECU Tuning Files

This page lists 13 individual ECU files for the BMW E39 540i, covering 4 hardware numbers and 9 software numbers. ECU manufacturers: Bosch (11), Siemens (2).

Available: Original, Stage1, Stage2, Stage3 files. Modified files cost 10 EUR and original files cost 5 EUR. Each file fits one exact software version, so check your ECU's HW and SW numbers before you buy.

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