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Eventuri BMW F8X M3/M4 - Black Carbon Intake with metal ducts...

BMW F80 M3 / F82 F83 M4

Performance Gain: 15-20hp, 18-23ft-lb

The F8X M3/M4 intake system is one of our most ambitious intake systems to date. Every detail was taken into account to ensure that we created a flagship intake to set a new benchmark for this platform. From the scoops to the ducts to the intake tubes – we developed a “complete solution” to ensure a smooth inlet track with cold air saturation. With a carbon weave to match the OEM M Performance carbon – this truly is a new benchmark.

The Eventuri Difference

The F8X M3/M4 Eventuri system uses our Patent Pending Carbon fibre Housing which provides an aerodynamically efficient airflow path from the filter to the MAF tube. Not just another cone filter with a heat shield but a unique design which invokes the Venturi affect. You can read more about the housing design and how it works HERE.

Below is a dyno graph showing the comparison between the Eventuri and the stock airboxes on a standard F80 M4. As you can see, power and torque are increased through a large portion of the rpm range not just at the peak. This translates on the road to increased part throttle and full throttle response with the car pulling much more eagerly to the redline. The testing was done on the same day back-to-back and temperatures were monitored to ensure consistency. Since dyno results vary between consecutive runs, this graph shows the highest power figure achieved with the stock setup vs the highest figure with the Eventuri. 

 

Since the F80 M4 is sensitive to heat soak, dyno figures can vary between runs - we could have shown the highest figure achieved with the Eventuri VS the lowest achieved with the stock setup, however this would not be a fair comparison. Just to illustrate the variation, here is the graph showing highest Eventuri VS lowest stock which was recorded on the day showing a gain of over 31hp! 

 

The Eventuri F8X M3/M4 intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards. Here are the details for each component and the design ethos behind them: 

Each intake system consists of: 
 

  • 2 Carbon Fibre Venturi housings
  • 2 High Flow Double Cone Air Filters
  • 2 Aluminium Cowls for smooth airflow entry
  • Left Side Carbon Tube with integrated MAF sensor mount
  • Right Side Carbon Tube with integrated MAF sensor mount
  • 2 Carbon Fibre Intake Ducts
  • 2 Carbon Fibre Front Scoops
  • Laser Cut Stainless Steel Brackets
  • High quality Silicon couplers with BMW specification hose clamps



Carbon Intake Housing Assemblies 

 

The filter housings comprise of the high flow filters, aluminium cowls, V-Band clamp, laser cut brackets and the carbon pods themselves. The carbon pods shroud the reverse mounted filter and smoothly shape the airflow down to the intake tubes. This smooth reduction in cross sectional area invokes the Venturi effect where the airflow accelerates whilst maintaining laminar conditions. It can be thought of as a large velocity stack - below is a diagram to show the comparison between our patent pending design and a regular intake system. Further details can be read in the Technology page. 

 



Carbon Fibre Intake Ducts 

 

The filter housings are positioned with the openings nestled inside the intake ducts. These ducts have been designed to fit over the stock cold air ducts and direct ambient air into the filters. This ensures that the heated engine bay air is effectively displaced from around the filters whilst the car is in motion. 

To illustrate - here are the left and right hand side intakes assembled as they would be in the engine bay with the tubes and ducts: 

 

 



Carbon Fibre Intake Tubes 

 

Our intake tubes are again crafted from 100% prepreg carbon fibre. Each tube has an integrated MAF sensor mount which is CNC machined from aluminium. The shorter left side tube smoothly transitions from the carbon housing down to the turbo inlet tube. The larger right side intake tube has to clear the fan shroud and strut brace. To do so we employed the same principle as the stock tube in changing the cross section from a circle at the turbo inlet tube to an oval for clearance over the shroud, then back to a circle at the filter housing end. We ensured these transitions were gradual so as not to disrupt airflow, furthermore we maintained the same cross sectional area in order to keep the velocity through the tube constant. 



Carbon Fibre Air Scoops 

 

 

The final components in this system are the front scoops - essential to direct ambient air to the ducts and then to the filters. 

The scoops were designed for maximum efficiency in directing the incoming air to the stock duct openings. Many aftermarket scoops have a large flat area almost perpendicular to the oncoming air - not great for channeling it into the ducts as the airflow just "hits" this flat portion and creates turbulence. 

The Eventuri Scoops have been designed to sit directly behind the front grills to capture as much air as possible and with a continuous curve to the duct opening to ensure this airflow is efficiently channeled. CAD images to illustrate the shape: 

 

Having an effective cold air feed to the filters is an essential part of our design. Simply having some heat shields in place is not an effective means of avoiding heated air from entering the filters unless the shields create an air tight envelope around the filters. The scoops and ducts in our system combine to provide the filter openings with ambient air and maintain low intake air temperature. To illustrate the effectiveness of this system, we put together this video: 

 

All the components come together in the engine bay to produce a genuine improvement in the driving experience as well as providing an incredible visual display of form and function in complete harmony. 

This intake system is available in black carbon fibre as well as a range of Kevlar options in Red, Blue, Yellow or Orange. 

 

 

 

 

SKU EVE-F8XM-MTL-INT
Brand Eventuri

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