My "d" requirement is every 10K or every year.I plan to keep it a long time so i'll be doing 5K miles and 6 months.Gassers are different so maybe wisdom would require a different strategy for you.
__________________
Current : 2018 540d
Formerly: 2014 328d
Formerly: 2011 MB E350 Bluetec
Formerly: 2009 335d
|