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Old 10-29-2012, 03:35 PM
520itouring 520itouring is offline
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Location: London
 
Join Date: Oct 2012
Posts: 57
Mein Auto: 520i touring
So have you gained anything apart from a more throaty roar? Eg better/worse mpg/power/torque?

Thinking of putting a pvc cover over mine with a clamp but worried heat will sink in through the plastic into the intake boot from there? Also noticed a little trumpet type thing inside the air box? Can this be removed?

Finally are there any other restrictions in the oem air box that I can remove to improve sound guys?

What is the second smaller intake pipe on the air box for entering into the box from the top?

Sorry not familiar with the e39 intake set up!!
Had a few e46s in the past totally different air boxes.
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