Opel Signum 2.2i 155 hp — Stage 1 file (+5 hp)
hp
Stage 1 file for Opel Signum 2.2i 155 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Opel Signum 2.2i 155 hp ECU
Opel Signum (2003) 2.2i 155 hp — mass-market petrol engine of the passenger segment of the Stellantis group (Германия, 1862). Stage 1 chip tuning raises power from 155 to 160 hp (+5 hp, +3%) and torque from 220 to 225 Nm (+5 Nm). ECU — Siemens/Continental SIMTEC 81. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2003 — the era before widespread firmware encryption, OBD flash without complications.
Opel has been part of the Stellantis group since 2017 (formerly GM Europe). Opel and Vauxhall (UK) are the same line-up under different names. Opel OPC is the performance division, producing high-output turbo versions. Citroen turbo petrol engines deliver a noticeable gain with Stage 1. PureTech is Citroen's badge for its turbo petrol engines. The Citroen petrol range is shared with Peugeot and Opel within Stellantis.
Within Stellantis, ECUs are standardised, so Opel files (from 2017 on) often work on Peugeot/Citroen. The Opel community in Germany and the UK generates a large volume of Stage files. On Opel petrol engines, Stage 1 delivers a noticeable gain. The French Citroen community has a large pool of ready-made Stage files. Mid-range Citroen engines are a mainstream chip tuning subject in Europe.
Frequently asked questions
How many horsepower does the Opel Signum 2.2i 155 hp reach after a remap?
Stage 1 chip tuning on the Opel Signum 2.2i 155 hp boosts engine output by 5 hp: from 155 to 160 hp. Torque rises from 220 to 225 Nm (+5 Nm).
What changes in the Opel Signum ECU after Stage 1?
Stage 1 chip tuning of the Opel Signum is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +5 hp with no hardware changes.
Can you do Stage 1 on the Opel Signum 2.2i 155 hp?
Yes, Stage 1 for the Opel Signum 2.2i 155 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.
How much does Stage 2 add on the Opel Signum?
Stage 2 for the Opel Signum 2.2i 155 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Which ECU is fitted to the Opel Signum 2.2i 155 hp?
The Opel Signum 2.2i 155 hp ECU is the Siemens/Continental SIMTEC 81. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the Opel Signum warranty after chip tuning?
The factory warranty of the Opel Signum does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Opel Signum take?
On the Opel Signum 2.2i 155 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Opel Signum?
Yes, the original ECU firmware of the Opel Signum 2.2i 155 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Opel Signum?
Stage 1 for the Opel Signum 2.2i 155 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.