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Change log
v1.0 — 2025-07-30
• Initial release of a full-feature Stage 2 tuning package for the BMW 135i N54 (MSD81).
• Includes a primary performance tune and a version with additional patches.
Release notes
v1.0 — 2025-07-30
• Package includes three files: Original, Stage 2 (Main), and Stage 2 (with added patches).
• Confirm software version IFN3S before flashing.
• IMPORTANT: Stage 2 requires significant hardware upgrades (decat downpipes, intercooler, intake, etc.).
• Pop & Bang feature is active in sport modes for aggressive sound.
• For off-road or competition use ONLY.