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Gains by engine4.0 TFSI V8 bi-turbo

Remap gains

Remap 4.0 TFSI V8 bi-turbo

Typical gain ranges for the 4.0 TFSI V8 bi-turbo engine (published dynos, market data). Actual gains depend on vehicle condition, fuel and the file used — each product page shows the ECU references (HW/SW) to check before buying.

Stage 1+70 to +95 hp · +90 to +140 Nm
Stage 2+95 to +130 hp

Available files for this engine

See all files 4.0 TFSI →

No file for your 4.0 TFSI V8 bi-turbo?

Send us your original ECU read: the file is written for your vehicle, and reworked until it suits you.

Request a custom file →

Going further

Would rather learn to do it yourself? Our courses cover reading an ECU, WinOLS, checksums and recovering a bricked ECU.

Deletion options are for competition / private track use. Always back up your original file before writing.

Custom fileNot in the catalogue? Upload your read
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