Which cars does the Eventuri M135i intake fit?

The Eventuri M135i intake fits the transverse B48 platform: the F40 BMW M135i, F44 M235i Gran Coupe, and F39 X2 M35i. All three share the same engine and airbox layout. It uses factory mounting points for OEM-level fitment. This is a different platform from the longitudinal G20 B48, so confirm your chassis before ordering.

Is this the same as the G20 B48 intake?

No. This version is engineered for the transverse B48 in the F40, F44, and F39 hatch and Gran Coupe platform. The G20, G22, G26, and G42 cars use a longitudinally mounted B48 and need the separate G20 B48 intake. Match the intake to your chassis, since the two platforms mount the engine differently and are not interchangeable.

How does the Venturi housing improve performance?

The patented carbon fiber Venturi housing with integrated MAF tube maintains laminar airflow and reduces turbulence before the turbo. This lets the turbocharger run a lower wastegate duty cycle while improving throttle response and mid-range. Unlike an open cone on a heat shield, it is engineered as a complete intake solution with a stable velocity profile through the tract.

Does it keep intake temperatures down?

Yes. The sealed carbon fiber intake duct ensures only ambient air is fed into the system, keeping intake temperatures consistent even under demanding driving. The maximized-volume front duct and aluminum inlet cowls smooth the airflow entry, and the sealed design isolates the filter from engine bay heat for stable IAT control under load.

Will it retain proper sensor readings?

Yes. The carbon Venturi housing has an integrated MAF tube that positions the mass airflow sensor correctly for accurate readings and OEM-level drivability. The system is designed as a direct replacement for the factory airbox, so it preserves everyday driving behavior while improving airflow and turbo response.

What replacement filter does it use?

The Eventuri M135i intake uses one filter, the Eventuri EVE-151-G2-FTR, a Type S Generation 2 dry element. It is serviceable and reusable with proper cleaning, so keeping a spare on hand means the M135i, M235i, or X2 M35i stays on the road while the filter is cleaned and dried between services.

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Description

Eventuri Black Carbon Intake System for F4x BMW M135i / M235i, and F39 X2 M35i

The Eventuri M135i intake is a full prepreg carbon fiber induction system for the transverse B48 platform, covering the F40 BMW M135i, F44 M235i Gran Coupe, and F39 X2 M35i, developed through real-world testing and airflow simulation to improve turbo efficiency, throttle response, and intake temperature stability. It replaces the restrictive factory airbox with Eventuri’s patented carbon fiber Venturi housing and sealed duct, giving a smooth, aerodynamically optimized path straight to the turbo inlet. At the core is a Generation 2 bespoke dry filter housed inside the carbon Venturi assembly with an integrated MAF tube (keeping airflow laminar and cutting turbulence before the turbo), which lets the turbocharger run a lower wastegate duty cycle while sharpening response and mid-range. The sealed carbon duct feeds only ambient air to hold intake temperatures steady under load.

Features

Patented carbon fiber Venturi housing with integrated MAF tube for laminar airflow to the turbo
Bespoke high-flow Generation 2 dry air filter
Sealed carbon fiber intake duct feeds only ambient air for consistent intake temperatures
Aluminum inlet cowls for smooth airflow entry
Maximized-volume front duct preserves a stable velocity profile through the tract
Lower wastegate duty cycle with improved throttle response and mid-range
Laser-cut stainless steel mounting brackets
Complete intake solution rather than an open cone on a heat shield
Lightweight high-gloss prepreg carbon fiber construction

Specifications

Material: High-gloss prepreg carbon fiber
Housing: Patented carbon fiber Venturi with integrated MAF tube
Filter: Bespoke high-flow Generation 2 dry filter
Intake duct: Sealed carbon fiber, ambient air feed
Inlet cowls: Aluminum
Brackets: Laser-cut stainless steel

Applications

BMW M135i: F40 | B48 | xDrive
BMW M235i Gran Coupe: F44 | B48 | xDrive
BMW X2 M35i: F39 | B48

Notes

Fits the transverse B48 in the F40 M135i, F44 M235i Gran Coupe, and F39 X2 M35i only. This is a different platform from the longitudinal G20 B48; confirm your chassis before ordering
Check local emissions regulations before installation; the manufacturer’s emissions notice applies
Designed and hand-assembled in the UK. Warranty coverage and damage-in-transit support are fully provided

Frequently Asked Questions

Which cars does the Eventuri M135i intake fit? The Eventuri M135i intake fits the transverse B48 platform: the F40 BMW M135i, F44 M235i Gran Coupe, and F39 X2 M35i. All three share the same engine and airbox layout. It uses factory mounting points for OEM-level fitment. This is a different platform from the longitudinal G20 B48, so confirm your chassis before ordering.
Is this the same as the G20 B48 intake? No. This version is engineered for the transverse B48 in the F40, F44, and F39 hatch and Gran Coupe platform. The G20, G22, G26, and G42 cars use a longitudinally mounted B48 and need the separate G20 B48 intake. Match the intake to your chassis, since the two platforms mount the engine differently and are not interchangeable.
How does the Venturi housing improve performance? The patented carbon fiber Venturi housing with integrated MAF tube maintains laminar airflow and reduces turbulence before the turbo. This lets the turbocharger run a lower wastegate duty cycle while improving throttle response and mid-range. Unlike an open cone on a heat shield, it is engineered as a complete intake solution with a stable velocity profile through the tract.
Does it keep intake temperatures down? Yes. The sealed carbon fiber intake duct ensures only ambient air is fed into the system, keeping intake temperatures consistent even under demanding driving. The maximized-volume front duct and aluminum inlet cowls smooth the airflow entry, and the sealed design isolates the filter from engine bay heat for stable IAT control under load.
Will it retain proper sensor readings? Yes. The carbon Venturi housing has an integrated MAF tube that positions the mass airflow sensor correctly for accurate readings and OEM-level drivability. The system is designed as a direct replacement for the factory airbox, so it preserves everyday driving behavior while improving airflow and turbo response.

About Eventuri

Eventuri was founded by a team of engineers and enthusiasts with backgrounds in aeronautics and tuning, all sharing a passion for cars and performance. After owning various aftermarket intakes over the years and being disappointed with gains that seldom lived up to their claims, they decided to take things into their own hands and set a new benchmark in intake design and technology. The goal was to engineer systems that provide real, measurable gains and to publish genuine figures to back them up. Their systems are developed using cutting-edge design, testing, and prototyping methods. Each design undergoes CFD analysis and is validated at the prototype stage through volumetric airflow measurement, intake temperature testing, and extensive dynamometer testing. Eventuri publishes all development data to illustrate the full process from concept to finished product. Only the best materials are selected for every component, down to the choice of fasteners, to ensure the quality of the final product is second to none.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Eventuri Black Carbon Intake System for F4x BMW M135i / M235i, and F39 X2 M35i [EVE-F4XB48-CF-INT]

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Eventuri Black Carbon Intake System for F4x BMW M135i / M235i, and F39 X2 M35i

Features

Specifications

Applications

Notes

Frequently Asked Questions

About Eventuri

Reviews