Hello Twix! I did buy the dry filter. Had issues with oiled filter before with K&N and it messed up my ZHP. I noticed your car you have AC Schnitzer springs are you using stock shocks? Sorry going of topic here I have my H&R springs sitting in my garage not sure if it's ok to use stock shocks Thanks! By the way love your set up on the x1. Oh how big of a difference is the Dinan Tune on 28i engines. Is it worth it?
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