BMW E90 ECU Tuning Files

This page lists 219 individual ECU files for the BMW E90, covering 143 hardware numbers and 84 software numbers. ECU manufacturers: Bosch (179), Siemens (35), Magneti (1).

Available: Stage1, 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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