Carbon filter

Activated coal is not renewable, but other sources of carbon are OK and won’t harm the environment. It’s natural sources you want to look for, such as nutshells and corn stover. It’s reusable, too, and has a negative carbon footprint.
 
Thanks C but I was referring to the carbon air intake filters that replace the standard air filter box on a Z3. I was asking if anyone had done a BHP comparison with both systems.
But yes I am using activated carbon in my spray booth filters and The mediums you have quoted above, make great filters.
 
It's all going to be much of a muchness

Whatever filter you go for you won't be able to feel the difference between the two when fitted
 
Can anyone advice me please from where i can get genuine BMW E36 Z3 vapor canister activated charcoal filter OEM? ??
 
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