SKU: 86471572270

N55 Air Intake For BMW E8X 135i and E9X 335i, Xi

Sale price$110.25 Regular price$122.50
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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28

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Description

N55 Air Intake For BMW E8X 135i and E9X 335i, XiThe ARM N55 Intake is a complete induction solution for the N55 found in the E9X chassis! From the turbo to the air filter the entire system has be redesigned to improve airflow and turbo spool, resulting in more power and better throttle response for your N55 powered BMW. The ARM N55 Intake shortens the induction pathway from the OEM setup by 68%. By moving the air filter to behind the headlight area, the path of airflow from the high flow

The ARM N55 Intake is a complete induction solution for the N55 found in the E9X chassis!  From the turbo to the air filter the entire system has be redesigned to improve airflow and turbo spool, resulting in more power and better throttle response for your N55 powered BMW.  The ARM N55 Intake shortens the induction pathway from the OEM setup by 68%.  By moving the air filter to behind the headlight area, the path of airflow from the high-flow performance filter to the turbo is greatly improved. 

HIGHLIGHTS

  • Gain up to 11whp
  • Precision Machined Turbo Inlet
  • Faster Turbo Spool
  • Increased Turbo Sound
  

 

To make this happen we completely redesigned the N55 turbo inlet.  The ARM N55 Inlet inserts into the OEM turbo with factory-like precision.  It then rapidly expands to 3" and this size is maintained throughout the rest of the intake all the way to the high-flow air filter.  While the OEM N55 inlet reduces to 46mm before the turbo inlet, the ARM N55 Inlet measures in at 75mm, a 63% increase over OEM. 



The ARM N55 Intake utilizes the largest possible air filter for the location behind the passenger side headlight.  This air filter measures a full 124 cubic inches of filter surface area, in an oval design to allow it to fit in-between the headlight housing and coolant expansion tank.



At the center of the ARM N55 Intake is the primary intake runner pipe which has several important design features.  Firstly, it is where the MAF sensor is relocated, utilizing a CNC machined MAF flange which provides a secure seal between the two components.  Secondly, the ARM N55 Intake includes a PCV port on the intake tube to reconnect the PCV line.  This allows for proper function of the OEM PCV system.   Lastly, the ARM N55 Intake is designed with an open-ended bracket to keep the filter stable and secure during aggressive driving.  



In order to relocate the filter to the front of the headlight we have included a MAF extension harness so there is no cutting or splicing of wires.  This harness simply clips into the original harness near the back of the engine and extends all the way to the new position for the MAF sensor on the precision machined ARM N55 MAF housing on the intake pipe.  



IN THE BOX

• ARM N55 Turbo Inlet Adapter
• ARM Intake Silicone Coupler
• ARM Intake Runner Pipe
• ARM High-Flow Air Filter
• ARM PCV Hose
• MAF Extension Harness
• Clamps

 

FITMENT GUIDE

Make Model Submodel Engine
BMW E82 135i N55 3.0L
BMW E88 135i N55 3.0L
BMW E82 135is N55 3.0L
BMW E90 335i N55 3.0L
BMW E90 335xi N55 3.0L
BMW E92 335i N55 3.0L
BMW E92 335xi N55 3.0L
BMW E93 335i N55 3.0L
 

ARM MOTORSPORTS LIFETIME WARRANTY

Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.

This product is for Off-Road Use Only. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86471572270

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4.3 ★★★★★
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Silverio R. Hernandez
Charlottesville, US
★★★★★ 5
Look great Love it
Size: 11.5, Color: Cognac
Nice looking !! It feel great and right size
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2025
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Harlys
Alexandria, US
★★★★★ 3
Criterio y gustos propios!
Size: 9, Color: Cognac
Los botines están bien! Solo que para mí gusto deberían tener un poco más de grosor en la suela, necesitan un poco más de confort. Por eso decidí regresarlos. Para ser botines requieren un tacón un poco más alto. Gracias!
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Reviewed in the United States on December 29, 2024
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Susan K Anderson
Lake Worth, US
★★★★★ 5
Men’s mock golf shirt
Color: Lake Green, White, Black, Size: XX-Large
Fit & quality very good.
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Reviewed in the United States on June 4, 2026
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Verified Purchase
Garfield S
Lake Worth, US
★★★★★ 5
Nice Fit
Color: Black, White, Light Gray, Size: 3X-Large
I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
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Reviewed in the United States on March 29, 2026
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Rob75432
Phoenix, US
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification. Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
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Reviewed in the United States on April 8, 2025

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