Question 1

How much power does Stage 1 add on the Bosch MED17.9.3?

Accepted Answer

Typically 3–8% (MPI/GDI-Sauger), 15–25% (T-GDI) more power. The exact figure depends on engine and software version.

Question 2

How much does tuning the Bosch MED17.9.3 cost?

Accepted Answer

Stage 1 costs €300, Stage 2 €375. The price depends on power, model year and whether the ECU has to be opened.

Question 3

Does the ECU have to be removed?

Accepted Answer

For most vehicles no, we write it through the OBD port. Only some variants need the unit opened (bench/boot).

Question 4

Can I send in just the ECU?

Accepted Answer

Yes. Visit us on site or send the removed ECU by post; the calibration is the same.

Question 5

Which extra options are available?

Accepted Answer

Bookable online: Stage 1+, Sharp Throttle, VMAX OFF, DTC Off, Hardcut Limiter. We check further options on request.

Question 6

Can I go back to stock?

Accepted Answer

Yes. We back up the original software before tuning and can flash it back at any time.

Bosch MED17.9.3 Tuning

Prices