How many liters of engine oil should be added to the BMW 6 Series GT630?
2 Answers
BMW 6 Series GT630 requires approximately 5.5 liters of engine oil. Reasons for adding engine oil: Engine oil serves four major functions: cooling, lubrication, cleaning, and sealing, playing a crucial role in ensuring the engine operates normally. As engine operating time increases, the oil becomes contaminated due to factors such as high-temperature oxidation, wear particles from mechanical components, and fuel vapor corrosion. Additionally, engine oil naturally depletes during normal use. Therefore, it is essential to regularly check the oil level and its contamination level. Precautions for changing engine oil in the BMW 6 Series: Do not open the oil cap on top of the engine immediately. First, loosen the drain plug at the bottom of the oil pan to allow the oil to drain slowly. Then, open the oil cap on top of the engine to let the oil flow out more freely. This sequence prevents oil from splashing out abruptly when the drain plug is removed. While draining the oil, you can simultaneously remove the oil filter (using a special oil filter removal tool). When installing the new oil filter, apply a small amount of oil to the inner rubber ring by hand to enhance the seal during installation. The key to tightening the oil filter is not to over-tighten it; generally, hand-tightening with sandpaper for grip is sufficient.
My BMW 6 Series GT630 is quite particular about engine oil during each maintenance. The standard is around 6.5 liters, but I've personally witnessed the mechanic's process: first, drain the old oil for about 15 minutes, replace the oil filter along with it, then slowly pour in the new oil. After the initial 6 liters are added, the engine is started and idled for a few minutes, then turned off and left for five minutes before checking the dipstick. Usually, another half liter needs to be topped up. Once, a friend tried to save time by directly adding 7 liters, which triggered the oil pressure warning light, and the excess oil had to be extracted to resolve the issue. It's advisable to prepare 7 liters of oil as backup but not to add it all. The ideal level is at the 3/4 mark on the dipstick once the oil temperature normalizes. Before long trips, it's also best to check the oil level again when the engine is cold.
