How much oil should be added to a BMW 225?

2 Answers
OFrank
07/29/25 7:02am
The BMW 2 Series requires approximately 4L of engine oil. This vehicle does not have a traditional dipstick; instead, the oil level can be checked via the central display screen. Hazards of overfilling oil: Oil leakage can easily cause fires. Oil at gas stations is stored underground where temperatures are lower, especially during hot summer days. Due to thermal expansion, overfilling may cause oil to overflow through the vent hole. Aside from being wasteful, spilled oil coming into contact with an open flame (such as a cigarette butt) can easily lead to a fire or even an explosion. Precautions when refueling your car: Avoid waiting until the fuel warning light comes on before refueling. Try to avoid refueling immediately after a gas station has received a fuel delivery. It's best to refuel in the early morning or evening when temperatures are cooler than during the day, as the oil density is higher during these times.
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NoahLee
08/12/25 10:25am
I've been driving a BMW 225 for several years. As an owner who enjoys DIY maintenance, the correct engine oil quantity is crucial. The manual specifies approximately 5.5 liters of synthetic oil, and I typically use 5W-30 grade. In practice, I first pour in 5 liters, let the engine run for two minutes before shutting it off, then check the dipstick after cooling: if it's below the maximum mark, I slowly add 100-200 ml until reaching the proper level. Overfilling can cause foaming and damage the engine - I once accidentally overfilled which led to smoke issues, and after repairs I became more meticulous about precision. I also change the oil filter every 10,000 km using BMW-recommended Castrol products, which keeps the car starting smoothly with strong power output. Regular checks extend engine life, prevent unexpected expenses, and provide peace of mind during long trips. Remember, model variants with different engine codes may affect capacity, so always consult the original manual rather than guessing.
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