S50 CSL Carbon Airbox (E36 M3)

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Quick Overview

S50 CSL Carbon Airbox for the E36 M3 (euro version). MAF and Alpha N version airboxes available.

BMW S50 Carbon Airbox

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The S50 CSL Carbon Airbox is made of 100% carbon fiber. It is similar to the S54 airbox in that it consists of 2 pieces, airbox and snorkel, and uses the S54 CSL internal air filter. This airbox is best used with Alpha N type engine management. The air filter is easily replaced by removing the snorkel. The airbox can also be made as a MAF version with integrated MAF housing. However, in this case the airbox and snorkel are permanently sealed and therefore requires use of an external air filter. The airbox utilizes tuned intake runners and larger plenum volume (Helmholtz resonance) to effect a power gain. The engine will have a more aggressive intake note and a better throttle response. The airbox works particularly well with uprated cams.

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