Kia Optima (K5) 1.7 CRDI EU6 141 hp — Stage 1 file (+29 hp)
hp
Stage 1 file for Kia Optima (K5) 1.7 CRDI EU6 141 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Kia Optima (K5) 1.7 CRDI EU6 141 hp ECU
Kia Optima (K5) (2015) 1.7 CRDI EU6 141 hp — mass-market diesel engine of the passenger segment of the Hyundai Motor Group group (Корея, 1967). Stage 1 chip tuning raises power from 141 to 170 hp (+29 hp, +21%) and torque from 340 to 395 Nm (+55 Nm). ECU — Bosch EDC17C57. Flashing method: OBD or Bench depending on the unit's protection. A diesel built in 2015 — the Tricore ECU era; OBD flash works on most production revisions.
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. CRDi is Hyundai's badge for its direct-injection turbo diesels.
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 a mid-range Hyundai CRDi delivers a noticeable torque 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
What is the Stage 1 effect on the Kia Optima (K5) 1.7 CRDI EU6 141 hp?
Stage 1 chip tuning on the Kia Optima (K5) 1.7 CRDI EU6 141 hp boosts engine output by 29 hp: from 141 to 170 hp. Torque rises from 340 to 395 Nm (+55 Nm).
What changes in the Kia Optima (K5) ECU after Stage 1?
Stage 1 on the Kia Optima (K5) 1.7 CRDI EU6 141 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 +29 hp with no hardware changes.
Is a Stage 1 remap safe for the 1.7 CRDI EU6 141 hp?
Stage 1 on the Kia Optima (K5) 1.7 CRDI EU6 141 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) 1.7 CRDI EU6 141 hp?
Stage 2 for the Kia Optima (K5) 1.7 CRDI EU6 141 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) 1.7 CRDI EU6 141 hp run?
The control unit of the Kia Optima (K5) 1.7 CRDI EU6 141 hp is the Bosch EDC17C57. 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) 1.7 CRDI EU6 141 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) 1.7 CRDI EU6 141 hp?
The cost of Stage 1 for the Kia Optima (K5) 1.7 CRDI EU6 141 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.