Request a live video call during the test drive rather than a pre-recorded one. Cold start first: listen for rattling or metal scraping in the first seconds — possible timing chain or hydraulic lifter issues. During acceleration, a whining from the gearbox area can mean bearing wear; hesitation or jerking in an automatic suggests transmission problems. Braking: the pedal should feel firm, not spongy, and the car must not pull to one side. Turn the wheel fully in both directions and listen for clicking — a classic CV joint fault. Insist on a highway segment too: vibrations above 100 km/h often point to unbalanced wheels or bent rims. Ask the driver to film the dashboard throughout — warning lights that flicker on briefly are still faults that OBD will record.

A realistic budget has several layers beyond the vehicle price. First, inland logistics in China: moving the car to the export port typically costs $300-$800. Second, export handling: inspection, customs declaration and paperwork usually add $500-$1,000. Third, ocean freight. A 20ft container to most destinations runs $1,200-$3,000 depending on route; RoRo shipping can be cheaper for driveable cars. Add marine insurance, usually 0.3%-0.5% of the car value. Fourth, destination charges: port handling, customs duties, VAT/GST and local registration fees. These vary widely; some countries charge duties of 20%-80% of the vehicle value plus an excise based on engine capacity. Finally, any compliance work: inspection certificates, modifications to meet local standards, or homologation. Ask your exporter for a full CIF quote and have a local customs broker confirm destination taxes before you commit.

It's extremely difficult. Unauthorized modifications can lead to module current overload protection, resulting in a lock. In China, you need to use the factory online engineer account to reprogram it. It's basically impossible to perform online decoding overseas. We strongly warn against blindly modifying the electrical systems of modern integrated circuit vehicles.