Originally Posted by bobblehead
actually, if I may add ...
I doubt any of the M5 owners will do oil change once a year, therefore, I believe any brands oil (approved) will do.
I will change mine out every 6 months
Yes that's what I do too. In the past I used to do every 4 months, but 6 months seems more sensible.
2014 ///M5 Individual Frozen Grey, Silverstone Full Merino, Piano Black, Exec Pkg, Drivers assistance plus, LED Pkg, Bang and Olufsen, 20" 343M Forged Alloy Wheels
Countermeasures: Bel StiR+, Laser Interceptor Quad HP, Zaon MRX
Upgrades: Eisenmann Sport with M Performance tips, Dinan anti-roll bars