What Type of Oil Does BMW Use?

[DiKingston]

BMW currently recommends four types of engine oil: 0W-30, 0W-40, 5W-30, and 5W-40. The number before the "-" indicates the low-temperature lubrication protection performance—the smaller the number, the better the protection at lower temperatures. The number after the "-" refers to the high-temperature lubrication protection performance—the larger the number, the more suitable it is for protection at higher temperatures. Here are some relevant guidelines for choosing engine oil: 1. The selection of engine oil should be based on the engine's requirements. There is no need to use high-grade oil in engines with lower requirements, nor should lower-grade oil be used in engines with higher requirements. 2. It is advisable to choose multi-grade oil whenever possible. Multi-grade oil offers benefits such as cost savings, longer lifespan, and high efficiency, providing better protection for the engine. Due to the characteristics of multi-grade oil, phenomena such as premature darkening or lower oil pressure compared to conventional oil may occur during use, which are normal.

[VanDante]

I've been driving a BMW 5 Series for several years, and based on my experience, BMWs perform best with full synthetic oil. Common viscosity grades are 5W-30 or 0W-20, but always check your vehicle's manual. Oils with BMW LL-01 certification are generally more reliable. Using the wrong oil can affect engine longevity - mineral oils tend to increase carbon deposits, accelerate component wear, and may even raise fuel consumption. I never use cheap products, always opting for premium brands like Mobil or Shell, changing the oil every 8,000 kilometers for smooth and quiet operation. Remember, don't just believe advertisements - actual test data like cold-temperature fluidity matters more. Use 0W series oils in northern winters for better antifreeze performance. Always replace the oil filter simultaneously, as even the best oil is wasted without it. Regularly check oil levels to prevent leaks, developing this habit will extend your car's lifespan.

[DeLane]

As a long-time BMW repair specialist, I emphasize that oil selection is crucial: prioritize full synthetic oil, with viscosity based on the BMW manual. For example, newer models often use 0W-20, while older cars can use 5W-30 with LL-01 certification. Oil quality directly affects wear, and using the wrong viscosity can clog oil passages or cause oil burning. During checks, if the dipstick shows blackened oil, it's time for a change. For maintenance, oil changes are typically needed every 5,000 to 10,000 kilometers, and don’t overlook replacing the oil filter simultaneously. Common issues like excessive noise or sluggish acceleration often indicate old oil. Oil selection should also consider driving habits—higher viscosity is better for frequent high-speed driving to ensure lubrication.

[JakeRose]

Having driven BMWs for over twenty years, I've long understood that engine oil is the lifeblood of an engine. In my younger days, I naively used semi-synthetic oil, which resulted in increased engine noise. Later, switching to full synthetic 5W-30 oil, specifically BMW-approved models, immediately resolved the issue. Climate also plays a crucial role – in the hot southern regions, 10W-40 proves more durable. Consistently using high-quality oil not only prevents problems but also saves on fuel costs. Don't delay oil changes too long; typically, every 7,000 kilometers is ideal. These simple habits ensure your car runs smoothly for years.