|
I know there's already several good things listed but if your one of the poor guys that has had a really leaky PCV valve the last 43K miles could have really gunked up the intake ports. They probably need done anyway even if it's not causing the issue.
__________________
2008 135i - MHD/JB4, MS DP's, AMS IC, UI CAI, CDV delete, M3 control arms/Links, RE Toe Link, ECS Trailing Arm, M3 rear SF & Trans bushings, SS brake lines, Michelin PSS.
|