We stock several replacement and performance drop-in air filters for your BMW. Replacing your intake filter (or filters, depending on vehicle) can improve your BMW's performance immediately.
RK Tunes' B58 Front Mount Intakes are designed in-house utilizing high-quality 5-ply wire-reinforced silicone that can never suck shut. Featuring a full 3.5-inch design, this intake outflows all other aftermarket options. Increase performance and listen to that turbo flow! FITS 2/3/4/5/7/8 40i MODELS ! - Professional installation is recommended. - NO REMOVAL OF VBRACE. - NO BUMPER REMOVAL IS NEEDED.
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