BAIC Beijing U5 1.5i 118 hp — Stage 1 file (+20 hp)

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Chip tuning for BAIC Beijing U5 1.5i 118 hp ECU

BAIC Beijing U5 (2018) 1.5i 118 hp — mass-market petrol engine of the passenger segment of the BAIC Group group (Китай, 1958). Stage 1 chip tuning raises power from 118 to 138 hp (+20 hp, +17%) and torque from 147 to 187 Nm (+40 Nm). A 2018 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

BAIC specialises in the mass-market segment and commercial vehicles. BAIC is a Chinese carmaker, founded in 1958. BAIC is part of the BAIC Group. BAIC's petrol range consists mainly of mainstream-segment turbo engines. The factory calibration is conservative, leaving headroom for Stage 1. Mid-range turbo petrol engines respond to Stage 1 with a noticeable gain.

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

Frequently asked questions

What power gain do you get after chip tuning the BAIC Beijing U5 1.5i 118 hp?

Stage 1 chip tuning on the BAIC Beijing U5 1.5i 118 hp boosts engine output by 20 hp: from 118 to 138 hp. Torque rises from 147 to 187 Nm (+40 Nm).

What changes in the BAIC Beijing U5 ECU after Stage 1?

Stage 1 on the BAIC Beijing U5 1.5i 118 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 +20 hp with no hardware changes.

Is a Stage 1 remap safe for the 1.5i 118 hp?

Stage 1 on the BAIC Beijing U5 1.5i 118 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 BAIC Beijing U5 1.5i 118 hp?

Stage 2 for the BAIC Beijing U5 1.5i 118 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.

Does Stage 1 void the warranty on the BAIC Beijing U5?

Stage 1 on the BAIC Beijing U5 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 BAIC Beijing U5 1.5i 118 hp done?

The full remap cycle for the BAIC Beijing U5 — 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 BAIC Beijing U5?

The original BAIC Beijing U5 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 BAIC Beijing U5 1.5i 118 hp?

The cost of Stage 1 for the BAIC Beijing U5 1.5i 118 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.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno