Symptoms match a cracked air tube as well.....
The big rubber tube between the Air flow sensor and the throttle body.
Mine cracke don the back side, would act up when engine cold or randomly when sitting at lights or taking off etc..
Dave __________________
Dave - PDX
1995 318ti - Active Black and Tan.
2005 330xi - Mtech 1 - 6spd - Orient Blue/Black |