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no cold air intakes are available, only a handful of manufactures makes short ram intake for the X5, BMS and dinan comes to mind. K&N drop in panel filters yields no performance gains, only good as a replacement filter when ur oem gets dirty. do remember tho that K&N filters are usually oiled vs oem dry paper material filters. the oil is supposed to help with filtering and catching dirt, but some people dont like oiled filters due to the fact that the oil can be sucked into the intake track and coat the intake run/sensors if its oiled improperly.
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2011 335is Le Mans Blue
2016 X5 xdrive 35i Alpine White
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