What kind of engine oil does the Beijing BJ40 use?

2 Answers
GenesisRose
09/05/25 6:01am
The Beijing BJ40 uses 5W40 engine oil. Engine oil is known as the lifeblood of an engine, and its functions include lubrication and wear reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, and shock absorption. Taking the 2020 Beijing BJ40 as an example, it is a compact SUV with body dimensions of 4630mm in length, 1925mm in width, and 1871mm in height, a wheelbase of 2745mm, a minimum ground clearance of 220mm, and a fuel tank capacity of 75 liters. The 2020 Beijing BJ40 is equipped with a 2.0T turbocharged engine, delivering a maximum horsepower of 224PS, a maximum torque of 380Nm, and a maximum power of 165kW.
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Marian
09/17/25 6:24am
I've been in the auto repair business for over a decade. When it comes to engine oil for the Beijing BJ40, viscosity is crucial. I recommend SAE 5W-30 full synthetic oil as the most suitable choice. This oil has excellent fluidity, making it suitable for both winter and summer use. It maintains stable viscosity in summer and ensures smooth cold starts in winter, unlike old oil that can cause knocking sounds. The BJ40 has a turbocharged engine, and full synthetic oil is great at preventing carbon buildup, extending engine life. I usually advise customers to change the oil every 7,500 to 10,000 kilometers, depending on driving habits. For frequent off-road or mountain driving, a slightly thicker 10W-30 might be better. The API SP grade is ideal—it's eco-friendly and fuel-efficient. Don’t forget to replace the oil filter at the same time to avoid clogging from impurities. Always check the owner’s manual for confirmation, as the BJ40’s manual usually has detailed requirements. Using the wrong oil can accelerate engine wear and lead to costly repairs, so it’s better to invest in the right one from the start.
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