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Ürünler    / PERFORMANS    /     EVENTURI Air Intake System For BMW E9X M3 EVE-E9X-CF-INT

EVENTURI Air Intake System For BMW E9X M3 EVE-E9X-CF-INT

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EVENTURI Air Intake For BMW E9X M3

IngilteredeEVENTURIMuhendisleri Tarafından Maximum Güç Maximum Kalite Amaçlanarak Tasarlanmış, ve Özel Olarak Üretilmiştir.
BMW E9x Serisi M3 Modellerine İçin Bire Bir Uyumluluk Sağlar, Bolt/on Kitdir.
Ultra Hafiftir, 1.Sınıf Karbon Fiber Malzemeden Üretilmiştir.
Orjinal Filtre Parçalarının Hiç Bir Parçası Kullanılmadan Profesyonel Bir Ekip Tarafından Kolayca Montajı Yapılır.

Paket İçeriği Carbon Ait Intake İçerir.
Carbon Airbox Lid, Carbon Duct Set ve Carbon Intel Plenum Glass İçin Ayrıca Fiyat Alınız.

Performance Gain Dyno: 8-10hp, 10-12ft-lb

Performance Gain Road Dyno (Insoric): 16hp, 14Nm
IAT Difference with Ambient: Stock 7.5C : Eventuri 4.5C
V-Box Acceleration : 100-200kph Reduced By 0.3 Seconds

The BMW E9X M3 Eventuri intake system is the result of extensive research and optimisation which improves possibly one of the best designed stock intake systems we have seen. The E9X stock airbox system is a brilliantly designed intake with an excellent flow path and feed system for ambient air. However on closer inspection, there are restrictions in the inlet tube connecting the airbox to the inlet manifold. By redesigning the tube yet maintaining the airbox, we have been able to allow the V8 engine to breathe with greater efficiency and therefore gain power. In addition to the new tube design, we also identified a further restriction in the air feed system. To overcome this we designed a scoop to allow an increase in airflow through the airbox. This reduces inlet temperature values further and adds to the performance gain of the system.

Part Number : EVE-E9X-CF-INT - BMW E9X M3 black carbon intake GLOSSPart Number : EVE-E9X-CFM-INT - BMW E9X M3 black carbon intake MATTE

Performance Gain Dyno: 8-10hp, 10-12ft-lb

Dyno tests were carried out showing a consistent gain of approximately 9hp and 11ft-lb of torque. The gain is not just at the peak but throughout the RPM range. 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. The car was tested firstly with the stock intake - hood closed. We then left the car on the dyno and installed the Eventuri. The car was then run again - hood closed. Several runs were carried out with both configurations to get a consistent result.

Performance Gain Road Dyno (Insoric): 16hp, 14Nm

The system was also tested using a road based measurement device (Insoric). On the road, the airflow is a lot better than the fan can achieve on the dyno and so the intake system is able to perform better. The following graph shows the difference the Eventuri intake makes on the road compared with the stock airbox. The measured gains were 16Hp and 14Nm : Solid lines show with the Eventuri and dashed lines are with stock airbox. Red line is power at the crank and blue line is at the wheels.
Data Logging Flow and Inlet Temperature

To monitor and record data output from the ECU we used a Bavarian Technic diagnostics tool. The car was fitted with the stock system and then data was logged in 4th gear to the redline. Then the Eventuri intake was fitted and the same method applied. The outputs show that the air mass flow with the Eventuri is higher across the entire RPM range - with a bigger difference at higher RPM where the restrictions in the stock system become more apparent. Furthermore the difference between the ambient temperature and the inlet air temperature (IAT) is also smaller with the Eventuri due to the scoop enabling a higher air speed through the airbox. Here are 2 screenshots of the data output, one at approximately 5000rpm and the other at approximately 8300rpm.

Data Logging summary:

  • 5000rpm IAT difference with ambient: Stock intake = 9.6 Degrees C : Eventuri = 5.3 Degrees C
  • 8300rpm IAT difference with ambient: Stock intake = 7.6 Degrees C : Eventuri = 4.7 Degrees C
  • 5000rpm Air Mass Flow Rate: Stock intake = 635 kg/h : Eventuri = 650 kg/h
  • 8300rpm Air Mass Flow Rate: Stock intake = 1168 kg/h : Eventuri = 1202 kg/h

VBox Acceleration Tests

Finally we took the car for some road testing using a Vbox unit to record the acceleration from 60-130mph (also 100-200Km/h). For the Vbox testing our test car had a primary decat and stage 2 tune for all test runs. Testing was carried out on the same stretch of road - again on the same day to keep variables minimum. Results show that with just the intake added, the acceleration times from 60-130mph and also 100-200Km/h reduced by approximately 0.3 seconds which is a significant change at such speeds.

Acceleration results summary:

  • 60-130mph with Stock intake = 11.157 seconds
  • 60-130mph with Eventuri intake = 10.886 seconds
  • 100-200Km/h with Stock intake = 9.56 seconds
  • 100-200Km/h with Eventuri intake = 9.236 seconds


The Eventuri E9X M3 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:

  • Carbon Fibre Intake Tube
  • High Flow Urethane Cone Filter
  • Carbon Fibre inlet Scoop
  • CNC Machined breather adapter
  • Laser Cut Stainless Steel Debris Guard
  • Silicon Coupler and OEM specification clamps


Carbon Intake Tube

The intake tube was designed to improve the airflow path compared to the stock tube - from the filter to the manifold. It is a 1-piece design which has no internal interfaces and therefore provides a much smoother path for the airflow to negotiate. Furthermore the geometrical transition is from a circular opening for the filter to the oval exit for the manifold. This is a much more efficient change in shape when compared with the stock tube which has to transition from a rectangular opening for the filter to the oval exit for the manifold.


Now this can be compared with our tube design which has a much more gradual change in shape from a circular opening at the filter end to the oval opening at the inlet manifold end:

Flexibility and Movement

An important challenge to overcome was the requirement of movement with the engine. Instead of using silicon couplers with flexible sections (which would introduce similar interfaces as the stock tube), we designed the tube itself to be able to move with the engine. The tube has a compressible neoprene band around the section which interfaces with the stock airbox. This section seals the tube to the airbox yet allows movement in and out of the airbox as the engine moves. By allowing the tube itself to move - we have been able to create a flow path which is as smooth as possible.

Made in United Kingdom



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