Here's how to fix that oil leak on your BMW coming from your oil filler cap. I've owned Hondas and a Chevy and this is the first car I've owned to leak from the oil fill cap.
Previously I had purchased the new oil filler cap gasket to fix the leak. Don't bother with this, it's the cap that leaks so changing the gasket won't help.
Here's the part you need from Amazon to fix your leaky oil cap: http://amzn.to/2BfoRI7. I used a Febi which seems to be working fine and cost less than the OEM part. Give me a like or subscribe if you liked this video or found it helpful!
BMW oil filler cap: http://amzn.to/2BfoRI7