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ARM Motorsports N55 Air Intake System - BMW 335i (E90/E92) 2011-2013
HIGHLIGHTS
• Precision Machined Turbo Inlet
• Faster Turbo Spool
• Increased Turbo Sound
PROFILE
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.

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 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 |
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
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