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This Euro air intake is less restrictive than the stock intake and also allows much easier acces to the air filter from the top. In addition, this airbox uses a cylinder style filter instead of a standard square filter for higher flow.
The MAF sensor from your original airbox will need to be reused as the connector in the Euro box is a small 2-pin connector.
GENUINE BMW INTAKE MUFFLER.
This is a Genuine BMW Euro CSL Intake Kit, one of the most sought after intakes in the European market! Included is everything you need to install this intake on your E46 M3's S54. Not only does this intake provide massive flow benefits and look amazing under the hood, the CSL intake also produces an amazing tone that can't be replicated by any other intake in the market!
This kit is specifically made for an E46 M3 with a Manual Transmission.
*A tune will be required to disable the MAF when installing this intake.
This product was last offered at the strikethrough price on
04-17-2026