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To set the record straight genuine BMW oil sold at the dealer is in liter bottles not quarts, so you are getting 5.7% more oil per bottle.

The 2018 F80 M3 specs the 0W-30 FE oil. That is what the local dealer put in for the break in service at 1200+ miles. Also the BMW oil change interval is reduced to 7500 miles, so you get a free oil change earlier. Other BMW's are 10,000 miles to the best of my knowledge. The manual recommends...

My experience with K&N is that they pass more dirt than a quality paper element. Your engine will wear faster than if you use a quality paper element. However, a clean K&N may make a little more flow, depending on your air box, than the paper element. Most data I have seen would indicate the...

I run RL MTL in all my BMW transimissions and RL 75w90 in the differentials. (e30, e34, e36). I also run GC in all or RL 5w-30 or 5w-40.