OPEL · SIMTEC 75 ECU

OPEL ZAFIRA SIMTEC 75 tuning files

Here is what the catalog holds for the OPEL ZAFIRA on the SIMTEC 75. Stock output across the matched variants spans 115–140 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All ZAFIRA coverage

Available solutions

Solutions that apply to the SIMTEC 75 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2

Engine variants & ECU software

4 distinct variants for the OPEL ZAFIRA on the SIMTEC 75 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1800 140HP
Controller brand
SIEMENS
ECU
SIMTEC 75
Stock power
140 HP

Variant 2

ECU
Catalog engine
1800 140HP
Engine code
Z18XER
Controller brand
SIEMENS
ECU
SIMTEC 75
Stock power
140 HP
ECU SW
CAO65420.DAT
ECU HW
SIEM 0100
SW upgrade
6577935809

Variant 3

ECU
Catalog engine
1800 140HP
Engine code
Z18XER
Controller brand
SIEMENS
ECU
SIMTEC 75
Stock power
140 HP
ECU HW
070063300A

Variant 4

ECU
Catalog engine
1600 16V 115HP
Engine code
Z16XERS
Controller brand
SIEMENS
ECU
SIMTEC 75
Stock power
115 HP
ECU SW
CAO75820.DAT
ECU HW
6577935751

Related vehicles

Other vehicles built on the SIMTEC 75 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the OPEL ZAFIRA on the SIMTEC 75?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the SIMTEC 75 ECU software on this model?

Yes — the OPEL ZAFIRA on the SIMTEC 75 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.

OPEL ZAFIRA SIMTEC 75 ECU Tuning Files | TuningBay