M3 E46 AIRBOX OEM STYLE

SL Airbox is one of the most demanded improvements among BMW M3 E46 enthusiastic. That is both for performance gain, and for sound it brings to car.  On the other hand, it is a laborious, time-consuming and expensive modification.

For those who are looking for similar sound to CSL airbox but do not look for HP gain, we have developed the Karbonius OEM Style S54 airbox.

It is a simplified version of CSL airbox, that, apart from louder sound to engine (+12 dB compared to plastic OEM) gives awesome appearance and easy installation using stock elbow and MAF

No needed to remap

*Need to install with CSL Crakcase breather hose (RealOEM ref: 11157833649)

*In SMG version, need to install genuine BMW CSL SMG Expansion Tank – RealOEM ref 2153228254949)

*Additional parts (hoses, clamps) could be required to do installation.

Fitment:

• BMW M3 E46
• BMW Z4 M – special hoses needed (not included)

As usual, piece manufactured 100% in carbon fibre prepreg, cured in autoclave in our facilities in Spain (EU) under strict quality requirement and for qualified stuff.

Installation:

• Instructions are not included, professional installation is highly recommended
• These parts are for TRACK AND RACE CARS, adjustments could be required at fitting.
• Not necessary to perforate or cut anything, although changing several origin parts could be necessary.

Notice of installation: Although our products are designed for an OEM-like fit, some minor adjustment may be required. Check that the fitting of the part is as expected before making any painted or modifications to the parts or to the car . Karbonius Composites will not be responsible for the costs of revert the vehicle to its original condition, or any painting expenses.

Warranty:

• 2-year warranty against manufacturing defects

Warnings:

• Is customers responsibility complying with the applicable laws in their community to use this product on public roads.
• These are not original products of BMW brand.
• Prices are shown in euros and do not include shipping costs, taxes or fees
• The weights specified on the description may vary by +/- 10%