Turbo Inlet M57 335d - suitable for BMW 3 Series (E9x)

M57 335d Turbo Inlet - suitable for BMW 3 Series (E9x) - Bionic Flow Optimization

The M57 335d Turbo Inlet - suitable for BMW 3 Series (E9x) was developed to specifically optimize the airflow of your engine in terms of fluid dynamics and unleash its physical maximum. With its bionically calculated design, this high-end upgrade significantly improves efficiency in the intake tract and reduces restrictions compared to the standard component. The revised geometry leads to a reduction in pressure loss of approx. 10%, while simultaneously increasing the usable fluid volume by around 15%. This allows the turbocharger's compressor to operate with less resistance, resulting in a more direct response in test and competition conditions.

Optimized for Flow Efficiency – from Basic Tests to Stage X

This turbo inlet is particularly suitable for setups with increased air mass – ideal for performance-optimized motorsport setups from Stage 1 and beyond. At the same time, test vehicles with basic parameters also benefit from more laminar airflow and a measurably more direct response. The optimized flow guidance enables faster boost pressure build-up and ensures that the calculated torque values are achieved earlier and more consistently – across the entire rev range.

Your Technical Advantages at a Glance:

• Reduced pressure loss (approx. 10%) for maximum efficient airflow

• Increased volume (+15%) for optimal air supply to the compressor

• Measurably more direct response in test operation

• Faster boost pressure build-up and optimized spool behavior

• More stable torque curves across the entire rev range

• Suitable for basic test runs as well as motorsport setups (from Stage 1)

Plug-and-Play Integration & Industrial Manufacturing

The turbo inlet is designed to be fully plug-and-play and uses the exact connection points of the BMW E9x 335d with the M57 engine. Integration into the test system is possible without modifications. The component is manufactured using a precise 3D printing process from durable industrial polyamide. This material impresses with extreme temperature resistance, dimensional stability, and durability – ideal for the high stresses in the engine compartment under competition conditions.

Scope of delivery: 1x Turbo inlet for BMW 3 Series E9x 335d M57

Delivery time: Our products are usually ready for shipment within 2-3 business days, provided they are in stock. If an item is unavailable due to supply bottlenecks or unexpectedly high demand, it will be remanufactured for you using a high-quality 3D printing process. In this case, the delivery time will be up to 3 weeks to ensure the highest quality and optimal fit.

Suitable for: BMW 3 Series E90 / E91 / E92 / E93 Model: 335d Engine: M57

Note:

This product does not have an ABE, a parts certificate, or a part type approval.

It is not approved for use on public roads within the scope of the German Road Traffic Licensing Regulations (StVZO). Use is exclusively for motorsport purposes, for export vehicles, or outside of public roads.

Installation of this product may lead to the invalidation of the vehicle's operating license in accordance with §19 StVZO.

An approval according to §21 StVZO (individual approval) may be possible in individual cases, but must be clarified in advance with a testing organization (e.g., TÜV or DEKRA).

The buyer is responsible for observing the applicable legal provisions in their country.

This is not an original part from BMW AG or BMW M GmbH. The mention of the brands is solely for unambiguous product assignment.