Are they worth it? wat is there main purpose, do they improve anything, is it worth fitting one on my P1. and anyone got any pics of one fitted
cheers

 

the oil vapours that the crank & cams breathe back into the system normally are routed to a catch tank instead of being put back into the intake system which will contaminate your pipes & mix with the air which inturn will lower the octane of your fuel once mixed

 

I used to have loads of oil in my intercooler its been dry since I fitted a catch can. the catch can is just in front of the battery. its also a P1
http://www.sidtech.co.uk/iu/T5NYW092078501039.jpg

 

Thats one clean engine

 

cheers mate, only use wd40 works a treat
ken