"The crankcase ventilation connection line may deteriorate prematurely causing any of the following: vacuum leak various fault codes related to mixture control stored in the DME customer complaints about rough idle speed Check Engine Light illumination. AFFECTED VEHICLES This Service Action involves certain E70 X5 M and E71 X6 M vehicles produced from March 1, 2011 to July 23, 2014. Vehicles which require this Service Action to be completed will show it as ""Open"" when checked either in the ""Service Menu"" of DCSnet (Dealer Communication System) or with the Key Reader."
