



ARM Motorsports N54/N55 FMIC HOSE UPGRADE
HIGHLIGHTS
• Increased Air Flow
• Direct Fit
PROFILE
The ARM Motorsports' FMIC Hose Upgrade is designed to work seamlessly with the ARM 5"/7" FMIC and N54/N55 Charge Pipe upgrades to eliminate any restriction from the OEM connections. The ARM Motorsports' FMIC Hose Upgrade replaces the short hose from the turbo outlet pipe to the intercooler on the hot side, and the longer hose from the intercooler to the charge pipe on the cold side. With it's extra-large 3 in inside diameter, the ARM intercooler hoses are 50% larger than the OEM intercooler hoses, the largest intercooler hose upgrade available for the E8X and E9X chassis.
CONSTRUCTION
Constructed with 5 layers of extra-durable, high-temperature silicone, the ARM FMIC Hose Upgrade has been tested to hold over 30psi. Whether you're running a stock turbo N54 or N55 at 22psi or even upgraded turbo/s at 27psi, the ARM FMIC Hose upgrade is able to withstand even the most demanding applications.
In addition to the the size and durability of the hoses, one of the biggest improvements you will see with the ARM FMIC hose upgrade is the single-piece construction on both sides of the intercooler. This will give the charged air flowing from the turbo/s in your N54 or N55 powered BMW one uninterrupted pathway from the turbos to the intercooler and from the intercooler to the charge pipe. Being constructed of a single piece minimizes the turbulence caused by connection points between hoses and piping. Combined with our N54/N55 Charge Pipe Upgrade, your BMW will have full 3” piping from the intercooler cold side all the way to the throttle body.
The hot-side hose is sized at 2.5” to match up with the OEM turbo outlet size and expands to 3.25” ID to fit up to the ARM FMIC. The cold-side hose is also 3.25” at the intercooler and reduces slightly to a 3” ID which is maintained all the way to the charge pipe. With the ARM cold-side hose being one solid piece, it removes two connections in the middle of piping found on most other N54/N55 intercooler piping upgrades. Every connection brings with it a small disruption in airflow, the severity of the turbulence varying depending on the characteristics of the connection. Removing these extra connections in the intercooler piping system improves the transition of air flowing from the intercooler to the charge pipe.
IN THE BOX
• Hose Clamps
FITMENT GUIDE
| Make | Chassis | Model | Engine |
| BMW | E82 | 135i | N54 3.0L |
| BMW | E82 | 135i | N55 3.0L |
| BMW | E90 | 335i | N54 3.0L |
| BMW | E90 | 335i | N55 3.0L |
| BMW | E90 | 335xi | N54 3.0L |
| BMW | E90 | 335xi | N55 3.0L |
| BMW | E92 | 335i | N54 3.0L |
| BMW | E92 | 335i | N55 3.0L |
| BMW | E92 | 335is | N54 3.0L |
| BMW | E92 | 335xi | N54 3.0L |
| BMW | E92 | 335xi | N55 3.0L |
| BMW | E93 | 335i | N54 3.0L |
| BMW | E93 | 335i | N55 3.0L |
| BMW | E93 | 335is | N54 3.0L |
ARM MOTORSPORTS LIFETIME WARRANTY
Pairs well with
Ships within 1-2 business days.
Free shipping & returns

ARM Motorsports N54/N55 FMIC HOSE UPGRADE
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.

