M3_Power 636 Report post Posted July 2, 2021 Genuine M3 CSL airbox Slight repair near the IAT sensor bung but otherwise functions perfectly. Will include air filteR both part genuine with unfiltered part brand new. $8500 firm I can further assist in getting this installed and running for a cost for dme and map sensor kit ect. 1 Quote Share this post Link to post Share on other sites