Changan CS35 PLUS 1.4T 158 hp — Stage 1 file

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Chip tuning for Changan CS35 PLUS 1.4T 158 hp ECU

Changan CS35 PLUS (2022) 1.4T 158 hp — mass-market petrol engine of the passenger segment of the Changan Automobile group (Китай, 1862). A 2022 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

Changan is part of Changan Automobile. Chinese carmakers are aggressively developing EV and hybrid technology. Changan is a Chinese carmaker, founded in 1862. Mid-range turbo petrol engines respond to Stage 1 with a noticeable gain. Changan's petrol range consists mainly of mainstream-segment turbo engines. The factory calibration is conservative, leaving headroom for Stage 1.

The Changan community in China and the CIS is a growing chip tuning market. Protection on modern Chinese models often calls for Bench access on the top variants. Stage 1 on petrol engines delivers a noticeable gain. Mid-range Changan models are a high-volume chip tuning subject in a growing market.

Frequently asked questions

What changes in the Changan CS35 PLUS ECU after Stage 1?

Stage 1 chip tuning of the Changan CS35 PLUS is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters.

Can you do Stage 1 on the Changan CS35 PLUS 1.4T 158 hp?

Yes, Stage 1 for the Changan CS35 PLUS 1.4T 158 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 Changan CS35 PLUS?

Stage 2 for the Changan CS35 PLUS 1.4T 158 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 happens to the Changan CS35 PLUS warranty after chip tuning?

The factory warranty of the Changan CS35 PLUS 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 Changan CS35 PLUS take?

On the Changan CS35 PLUS 1.4T 158 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 Changan CS35 PLUS?

Yes, the original ECU firmware of the Changan CS35 PLUS 1.4T 158 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 Changan CS35 PLUS?

Stage 1 for the Changan CS35 PLUS 1.4T 158 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.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno