Originally Posted by TSI
Syntec is 50% off this week
Edit: in my first post, i said to check the manual, without having read that you didn't have it. Mea culpa. It is 8l, 8.5 with filter.
Remember guys, check the grade certification of the oil. BMW's want LL-98 or LL-01. For example, if I get 0W40 Castrol Syntec but the grade that says "for European cars" on the front, check the specs for LL-01 or LL-98 certified. Run away from Mobil 1 it doesn't meet these grades.
My favourite these days is Liquimoly (from Precision Tuning on Keele), 0W40 and from one of our sponsors. On 9000Km road trip out west car didn't need any topups.