Audi 4.0 TDI Tuning
Supported in 3 Audi models, 2003+.
Audi
13 supported 4.0 TDI applications
Models With the Audi 4.0 TDI
All Supported Audi 4.0 TDI Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| A8 | 2018+ | D5 | 435 hp | ECU Bosch MD1CP014 | AutoTuner |
| A8 | 2018+ | D5 | 435 hp | TCU ZF ALx52 | AutoTuner |
| A8 | 2018+ | D5 | 435 hp | TCU ZF ALx52 | AutoTuner |
| A8 | 2018+ | D5 | 435 hp | TCU ZF ALx52 Gen2 | AutoTuner |
| A8 | 2003+ | D3 | 275 hp | ECU Bosch EDC16C4 | AutoTuner |
| SQ7 | 2016+ | 435 hp | ECU Bosch MD1CP014 | AutoTuner | |
| SQ7 | 2016+ | 435 hp | TCU ZF ALx52 | AutoTuner | |
| SQ7 | 2016+ | 435 hp | TCU ZF ALx52 | AutoTuner | |
| SQ7 | 2016+ | 435 hp | TCU ZF ALx52 Gen2 | AutoTuner | |
| SQ8 | 2019+ | 435 hp | ECU Bosch MD1CP014 | AutoTuner | |
| SQ8 | 2019+ | 435 hp | TCU ZF ALx52 | AutoTuner | |
| SQ8 | 2019+ | 435 hp | TCU ZF ALx52 | AutoTuner | |
| SQ8 | 2019+ | 435 hp | TCU ZF ALx52 Gen2 | AutoTuner |
About Audi 4.0 TDI tuning
We tune the Audi 4.0 TDI in 13 applications across the A8, SQ7, SQ8, from 2003+, in diesel form, with stock outputs of 275-435 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch EDC16C4, Bosch MD1CP014, ZF ALx52, ZF ALx52 Gen2.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.