I'm not sure I understand what you're really asking. In one sense...yes, you "could" add 2 quarts...heck, you could try to pour in 3 quarts...but should you overfill...and if you do, what is the consequences of that action (cavitation)?


What is BMW's recommendation for the amount of oil required to "top up" when you get the low oil warning? If they recommend 1 quart/liter...what would be the benefit for adding twice as much as the recommendation? And who or where did you read that you should double the amount (that might be more telling than the why)?

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