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DO88 DO88-KIT213S-54

do88 10-13 BMW 135i/335i N55 (E82/E88/E9X) 54mm Turbo Inlet Hose

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UGC DO88-KIT213S-54
$325.94 - $325.94
$325.94
$325.94 - $325.94
$325.94
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CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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do88 Performance turbo inlets designed for an easy drop-in-fitment in your BMW 135i 335i 35i N55 2010-2013 (E9X E8X)

Key figures
- More air to your engine, less backpressure and better airflow!
- Airflow (59mm version) at 0,175 bar / 2,54 psi pressure drop: 1049 CFM (660 CFM), 59 % higher than OE! See diagram under product pictures.
- 3D, freeform designed inlet hoses made from the finest silicone.
- CNC-machined turbo inlet adapter.

Considerations
The efficiency of a turbocharged engine is under direct influence of the inlet air temperature (IAT) and the backpressure in the system. A crucial aspect, yet often overlooked, is having sufficient airflow before the compressor to avoid surge. Less vacuum and colder air enables the turbo to produce a larger mass which in the end means more air to the intake – summing up, this means noticeable power gains. There are great power wins to be earned with a good induction system! Throughout our years in this business, with countless hours of evaluation and development, we have seen the coherent connection in between IAT, sufficient airflow to the compressor, and the impact this has on the output.

do88 turbo inlet hose
We started the development by 3D-scanning the entire designated area on the car. This allowed us to work in a sensible manner, with the products in our CAD-environment using SolidWorks. The entire air filter system is optimized for airflow and radiuses and angles are reworked many times to achieve the best result! The finished product is verified with both Computer Flow Dynamics (CFD) as well with our Superflow SF1020 flowbench. All efforts are made to offer real and trustworthy data for you as a customer.

The kit comes with hoses in black finish, CNC-machined adapter towards the turbo and top-quality, hose clamps.

Installation instructions (PDF)

This part also goes by the following cross reference.

Cross Reference Part Number: 13717599290, 13717599286

Fits These Vehicles 3 applications
BMW
Make Model Engine Years
BMW 1-Serie E82 E88135i, 135is N55 2010–2013
BMW 3-Serie E90 E91 E92 E93335i, 335iX N55 2010–2013
BMW X1 E8435i N55 2012–2015

Fitment data last updated: 2026-10-21

Fits 3 vehicle applications Check vehicle fitment before ordering View fitment

About this Cold Air Intake

The do88 DO88-KIT213S-54 air intake system replaces the factory airbox and intake tube to let the engine breathe more freely. Intakes typically bring a sportier induction sound and can improve throttle response, especially on turbocharged engines.

Frequently asked questions

How much power does an intake add?

Gains vary with the engine and are usually modest on a stock car; turbocharged engines and cars with other modifications tend to benefit more. Many buyers choose an intake as much for the sound and response as for power.

Is this intake legal in California?

In California and states that follow its rules, an aftermarket intake must have a CARB Executive Order (EO) number for the specific vehicle to be street legal. Check the product details for an EO number before buying for road use in those states.

Will an intake cause a check-engine light?

A quality intake designed for your car should not. Problems usually come from a poorly sealed connection, a damaged sensor, or over-oiled filters contaminating the mass air flow sensor.

How do I maintain the filter?

Inspect it regularly. Reusable filters can be cleaned and, if they are oiled, re-oiled lightly using the maker's kit. Dry filters can be cleaned or replaced according to the maker's instructions.

How do I make sure this air intake system fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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