E39540IA

cheers have been having a look around the engine bay this afternoon and found a fitting on back of air intake that should have a hose or plug on it cant find a hose off so have pluged it will see what its like in the morning

Hi there new to all this bought my first BMW a year or so back and could not be happier until a couple weeks back ! Was hoping someone might know what causes cold surging its very minor and i have not started to look for a fault as yet then found this sight so thought i might try to take easy way out cheers