Dealer supplied oil for all but the last one. Did a mid-cycle change over to the Mobil 1 5w-40 ESP for the hot summer months.
Originally Posted by 62Lincoln
Are you using the Castrol from the dealer?
2011 335d 11.8 sec 120 mph 1/4 mile NHRA certified track
2004 Ram Cummins with lots-o-mods