I've been visiting (ie interviewing) dealers for my "new" M5. A secondary priority was oil for top-ups. As other threads have noted, oil prices are highly variable across dealers. I found BMW 5w30 at $5/qt, and got upsold on this bag for $5 more.
Seems like a positive addition to my "useful stuff" collection. Has disposable paper funnels, hand wipes, ziploc'd oil, velcro'd bag to anchor in the trunk. I have a feeling mine will only be on-board for road trips, or carrying stuff like my Peake instead for day to day driving.
