Eventuri Carbon Fiber V2 Intake System for G Chassis BMW 318i / 320i / 330e / 330i / 420i / 430i

Eventuri Carbon Fiber V2 Intake System for G Chassis BMW 318i / 320i / 330e / 330i / 420i / 430i

The BMW G20 B48 Eventuri intake has been developed to provide the turbo with a less restrictive flow path whilst maintaining low inlet temperatures. Heat and Volume are the main considerations when designing an intake for turbocharged engines. In the G20, the intake system is located next to the exhaust manifold which rapidly heat soaks the engine bay. High temperatures are detrimental for engine performance as the turbo would have to build boost with heated, less dense air and so the only way to ensure IAT’s are kept to a minimum is for a fully sealed intake. This however, results in a restriction with only one stock air feed to draw air in from. During development Eventuri noticed an additional opening into the wheel arch area and took advantage of this by adding a secondary feed to the airbox. Furthermore their sealed airbox also has a heat shield with gold reflective to minimize the radiative heat transfer from the exhaust manifold. In order to maximize volume they made the airbox as large as possible with a recess for potential strut braces. The stock convoluted intake tube is replaced with a smooth carbon tube which is also larger in internal volume with a starting internal diameter of 111mm (4.4″) smoothly tapering down to match the turbo inlet. The tube provides a smooth path from the filter to the turbo inlet. Finally, Eventuri uses a custom made high-flow dry filter which is ISO tested for filtration performance and has a larger filtration area than the stock filter.

The Eventuri G20 B48 intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards. They use 100% pre-preg carbon fiber with no fiberglass which means they can achieve a smooth internal surface to maintain smoother airflow.

Each Intake System Consists of :

• Carbon Fiber Airbox with Dual Feeds
• Bespoke High Flow Dry Cone Filter
• Carbon Fiber Inlet Tube
• CNC Machined Temperature Sensor Mount
• CNC Machined Breather adapters
• Heat Shield with Gold Reflective Backing
• Laser Cut Stainless Steel Brackets
• Silicon Reducer with OEM Specification Clamps

Dual Feed Carbon Fiber Airbox

Crafted from Prepreg Carbon Fiber, the airbox serves 2 objectives – to seal the filter against engine bay heat and to provide a dual cold air feed. Since the airbox is positioned next to the exhaust manifold it is crucial for the filter to be fully sealed so Eventuri designed the airbox to encapsulate the filter and at the same time provide a large internal volume. To seal the intake tube they have designed a laser cut plate with a rubber sealing strip which secures to the airbox. The intake tube passes through the plate and the rubber seal ensures heated air does not enter the airbox. To further minimize heat soak, there is an additional heat shield with a gold reflective layer on the exhaust manifold side which effectively combats the radiant heat transfer.

Having a fully sealed airbox results in the problem of having a restriction for the cold air feed. The stock airbox draws air from a single duct which extends to the front bumper area. During development they identified another area to draw cold air from which was a gap between the wheel arch and the chassis on which the airbox sits. To utilize this feed Eventuri extended a scoop at the back of their design which protrudes into the wheel arch and can even be seen after installation behind the front wheel. This second feed allows the turbo to draw from a larger area therefore reducing the restriction.

Carbon Inlet Tube

The G20 B48 OEM airbox system was updated in cars built after November 2018 where the airflow sensor was replaced with a temperature sensor in the inlet tube. Prior to this date, all airbox systems had an airflow sensor and for this reason they offer 2 variations. The V1 intake which has an inlet tube to take the MAF (airflow) sensor and the V2 intake for cars built after November 2018 which use a temperature sensor.

The stock inlet tube has a flexible and convoluted section to provide movement with the engine. This however also adds the possibility of turbulence in the flow path as there are multiple faces which can cause eddies. Eventuri replaces this with their carbon tube which is smooth and also has a larger internal volume. Unlike most aftermarket intakes they maximized the size of our intake tube, the OEM inlet tube has an internal diameter of 80.8mm or 3.2” at the filter end. The tube for cars built after November 2018 has an internal diameter of 109mm or 4.3”. This equates to a massive 82% increase in cross sectional area over stock. The tube smoothly tapers down to the stock turbo inlet to ensure airflow remains as laminar as possible. The tube also has CNC machined fitting for the temperature sensor and the breather adapter.

Bespoke Cone Filter

Their cone filter is made from a non-woven mesh material which is double layered and is ISO tested to ensure that filtration is in line with OEM standards. The filter is cleanable and very stable at high temperatures with the base material being Urethane. The filter incorporates and internal flow guiding cone to help aid the airflow to converge while reducing the possibility of a stagnation point in the middle of the filter space. The filter medium has a significantly larger surface volume than the stock panel filter.

Fitment Details

• 2020+ BMW 318i – G20 / G21
• 2019+ BMW 320i – G20 / G21
• 2019+ BMW 330e – G20 / G21
• 2019+ BMW 330i – G20 / G21
• 2021+ BMW 420i – G22 / G23 / G26
• 2021+ BMW 430i – G22 / G23 / G26

Notes

• This item is not eligible for return.

About Eventuri

Eventuri was founded by a team of engineers and enthusiasts with a background in Aeronautics and tuning – all sharing a passion for cars and performance. After owning various intakes over many years for their own cars and being disappointed with the gains which seldom lived up to their claims – they decided to take things into our own hands and rewrite the book. To set a new benchmark in intake design and technology, above all – to engineer systems which provide real gains and then to publish genuine figures.

Their systems are extensively developed using cutting edge design, testing and prototyping methods. With a focus on performance, each design undergoes CFD analysis and is then validated at the prototype stage through volumetric airflow, intake temperature and extensive dynamometer testing. They strive to publish all the development information to illustrate the depths they go to in bringing an intake from concept to reality.

Only the best materials are selected for each component – even down to the choice of fasteners and fixings in order to ensure that the quality of the end product is second to none.

After many years of disappointment with the usual aftermarket intakes, they are proud to be raising the bar and creating intake systems which are setting a new standard and genuinely improve the performance of your vehicle.

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