BOSCH ME7.9.51/ME7.9.52 Chiptuning
The BOSCH ME7.9.51/ME7.9.52 is used in Car vehicles from makes such as TOYOTA. Our library holds verified solution files for this ECU family.

Available operations
ME7.9.51/ME7.9.52 chip tuning and remap solutions
The Bosch ME7.9.51/ME7.9.52 is an engine control unit used in cars from makes such as Toyota. Prime Chiptuning always builds ME7.9.51/ME7.9.52 files from the original read of the vehicle; generic files are not used.
Which solution applies to this ECU depends on the exact variant, software version and engine; we check the read file before the work starts and tell you the options.
How a ME7.9.51/ME7.9.52 remap is done
- The ME7.9.51/ME7.9.52 is read by OBD, bench or boot depending on the variant, and the original software is backed up.
- The original file is modified for the vehicle, engine and requested solution; the checksum is corrected.
- The file is written, fault codes are checked and the vehicle is road tested.
- The original backup is kept, so the vehicle can be returned to factory software at any time.
Why Prime Chiptuning for ME7.9.51/ME7.9.52
Our service points tune the ME7.9.51/ME7.9.52 for each vehicle individually, with support after delivery. Workshops with their own tools can order ME7.9.51/ME7.9.52 files on the ECU Prime file platform.
Are you a tuner or dealer?
Verified Stage 1, DPF, EGR and AdBlue files for the BOSCH ME7.9.51/ME7.9.52 are available on the EcuPrime file service: upload your original file and compatibility is measured in seconds.
BOSCH ME7.9.51/ME7.9.52 files on EcuPrime →Notify me when a new BOSCH ME7.9.51/ME7.9.52 solution is released
We email you when an unlock, a new operation or an on-site solution is added for this ECU family. No advertising; technical announcements only.