Kia Optima (K5) 2.4 GDI 189 hp — Stage 1 file (+9 hp)
hp
Stage 1 file for Kia Optima (K5) 2.4 GDI 189 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Kia Optima (K5) 2.4 GDI 189 hp ECU
Kia Optima (K5) (2015) 2.4 GDI 189 hp — mass-market petrol engine of the passenger segment of the Hyundai Motor Group group (Корея, 1967). Stage 1 chip tuning raises power from 189 to 198 hp (+9 hp, +5%) and torque from 241 to 251 Nm (+10 Nm). ECU — Siemens/Continental SIM2K-250. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2015 — a Tricore platform without strong protection; OBD access works.
Kia shares platforms and engines with Hyundai and Genesis. Kia is a Korean carmaker, part of the Hyundai Motor Group. Kia is positioned alongside Hyundai, with an emphasis on styling and a sporty character. Hyundai's factory calibration is mainstream and leaves headroom for Stage 1. T-GDI is Hyundai's badge for its direct-injection turbo petrol engines. The Hyundai N-series are sporting turbo engines for the i30 N, Elantra N and Kona N.
Within Hyundai Motor Group, ECUs are partly shared, so Hyundai files often work on Kia. The Hyundai community in Eastern Europe has a large pool of ready-made Stage files. Stage 1 on the Hyundai T-GDI delivers a noticeable gain. The Hyundai community has a large pool of ready-made Stage files for CRDi and T-GDI engines. Mid-range Hyundai engines are a mainstream chip tuning subject in Eastern Europe.
Frequently asked questions
How many horsepower does the Kia Optima (K5) 2.4 GDI 189 hp reach after a remap?
Stage 1 chip tuning on the Kia Optima (K5) 2.4 GDI 189 hp boosts engine output by 9 hp: from 189 to 198 hp. Torque rises from 241 to 251 Nm (+10 Nm).
What changes in the Kia Optima (K5) ECU after Stage 1?
Stage 1 on the Kia Optima (K5) 2.4 GDI 189 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +9 hp with no hardware changes.
Is a Stage 1 remap safe for the 2.4 GDI 189 hp?
Stage 1 on the Kia Optima (K5) 2.4 GDI 189 hp is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.
How does Stage 2 differ from Stage 1 on the Kia Optima (K5) 2.4 GDI 189 hp?
Stage 2 for the Kia Optima (K5) 2.4 GDI 189 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.
What control unit does the Kia Optima (K5) 2.4 GDI 189 hp run?
The control unit of the Kia Optima (K5) 2.4 GDI 189 hp is the Siemens/Continental SIM2K-250. Before flashing, the engineer identifies the exact revision and selects the write method.
Does Stage 1 void the warranty on the Kia Optima (K5)?
Stage 1 on the Kia Optima (K5) voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.
How quickly is chip tuning of the Kia Optima (K5) 2.4 GDI 189 hp done?
The full remap cycle for the Kia Optima (K5) — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.
Can you return to stock after Stage 1 on the Kia Optima (K5)?
The original Kia Optima (K5) ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.
How much does Stage 1 cost for the Kia Optima (K5) 2.4 GDI 189 hp?
The cost of Stage 1 for the Kia Optima (K5) 2.4 GDI 189 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.