Yeah do all hoses. It's such a pain to get to you only want to go in there once in the lifetime of the car. You should clean the ICV and throttle body while in the area too.
03 330i ZSP - Mods -> Supercharger, ZHP Rims, LED Tails, clear corners/markers w/ LEDs, Angel Eyes, ultra-white halogens and fogs, aux input.
Last edited by ahull; 12-06-2012 at 08:41 PM.