E46 M3 Carbon Plenum / Airbox with Kidney Ducting Kit

Carbon intake plenum, airbox, and intake ducting - adds great intake sound and supports more airflow!

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Price:
$3,199.99

Our E46 M3 Carbon Plenum / Airbox with Kidney Ducting Kit takes the motorsport airbox to the next level. The stock M3 setup is fine for a stock car, and it's perfectly capable of moving the air required to make the base 333 Hp with the minimal induction noise - as a luxury car should have. On the other hand, if you're upgrading your car with a built race engine, exhaust and headers to move the most air possible and make big power, this carbon airbox has the ideal design to support the effort.

This carbon airbox is a reproduction of the BMW Motorsport part with a few changes to make it work even better. This high-quality unit is made from high-grade carbon fiber with internal trumpets and proper fittings, unlike many cheap copies from Europe that only look similar from the outside, and only from 10' away.

Motorsport Version with Kidney Grill Ducting - Motorsport intake, internal BMW Motorsport panel filter (included), fitting for air temp sensor (not included), no mass air fitting. Requires alpha-N type ECU programming or standalone engine management (inquire with us for options). Recommended for use ONLY on built race engines making 400+ Hp. The kidney grill ducting system has the added advantage of drawing its air source from the high pressure zone at the leading edge of the hood, meaning greater airflow at speed and the potential to produce even more power. Note: For engines with stock internals, the 120MM version is available in a separate listing.

An alternate air temp sensor (PN 13 62 1 725 323) is required when converting to Alpha-N and is available separately. Installation requires splicing a plug for this part to your existing HFM wiring.

While we are able to special order this part to be used with the stock HFM, we do not recommend this. We don't feel this part can be tuned properly without Alpha-N or standalone tuning, and we do not support an HFM-based box with software.

NOTE: Will require modification for fitment. Radiator must either be custom mounted at an angle or reduced in height to make room for the kidney ducts. This is for race and heavily modified cars only!

Notice of Emissions Non-Compliance. This product is intended only for vehicles that may never be used, or registered or licensed for use, upon a public highway. Removing, disabling, or altering emissions equipment on a pollution-controlled road vehicle is illegal. Installing devices or software that trick, disable, or modify emissions controls and monitors on a pollution-controlled road vehicle is also illegal. This product is sold only for racing, competition, track, hobby, or other off-road use. It is not legal for installation or use in California on any pollution controlled motor vehicle. It is not legal for installation or use on any pollution controlled motor vehicle in any state, province, or jurisdiction governed by, or which has adopted, CARB or EPA regulations. Some suppliers have shipping exceptions to certain states or territories, requiring extra delivery time. We will advise you of any delays.

BMW Fitments:  

3 Series
E46 (2001-2006) > M3
Z Series
E36/7 and E36/8 Z3 (2001-2002) > Z3 M Roadster / M Coupe - with S54
Z Series
E85 and E86 Z4 (2006-2008) > Z4 M
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