An ARM F30 Intercooler upgrade is one of the best modifications you can make to your N20/N26 or N55 powered BMW. The F3X's significant weak-point is its stock intercooler. This becomes obvious when tuning your F30 to increase boost with a Stage 1 tune and even more so with a Stage 2+ tune. With a higher boost target the charged air coming out of the turbo is hotter, therefore increasing IAT's. To compensate for the higher IAT's the ECU (DME) reduces boost, timing, and overall power to protect the engine. The ARM F3X FMIC Kit keeps your IAT's low allowing you to maximize the power your N20/N26 or N55 is capable of making.
The ARM F3X FMIC is the perfect cooling solution for any stock turbo or upgraded turbo N20/N26 or N55 setup. With an intercooler core size of 20x11x3" and an overall volume of 660cu in. the ARM F30 FMIC is 235cu.in. or 36% larger than the stock N55 intercooler which comes in at only 425cu in. In addition, the ARM F30 FMIC utilizes an ultra-dense 14 fins per inch external core, giving it the best cooling performance possible.
With a 220sq.in. face the ARM F30 335i FMIC has a 120% larger frontal area than the OEM intercooler with only a 100sq.in face, and 120sq.in. larger than OEM and 55sq.in./33% larger than most aftermarket F30 intercoolers. Having a larger frontal area equates to more effective cooling compared to thicker intercoolers of similar or even larger total volume. On intercoolers that are thicker from front to back, the ambient air that cools it is less effective because the ambient air temperature increases as it passes through the external fins of the intercooler. In the short time it takes from the ambient air to pass from the front of the FMIC to the rear of the FMIC, it's temperature (ambient air) has increased, effectively decreasing the ability to cool the FMIC where the ambient air exists. The ARM F3X FMIC spreads the total volume of the FMIC core forward and taller to make the total frontal surface area larger, maximizing the cooling efficiency. This is shown in our IAT testing results below.
Our baseline run was performed on a 335i running 16psi of boost with the stock F30 intercooler. The 3rd gear run started at 93 degrees and ended at 126 degrees, a huge increase of 33 degrees Fahrenheit on 16psi of boost, and certainly restricting the amount of power this N55 could have been making.
After installing the ARM F30 FMIC there was a massive improvement in cooling performance that resulted in only a 2 degrees Fahrenheit increase in IAT. In this 3rd gear run with boost peaking at 18psi, which is 2psi higher than the stock intercooler run, it starting at 95 degrees and ended at only 97 degrees. This is a 94% improvement in cooling over the OEM 335i intercooler!
Installation of the ARM F30 335i FMIC upgrade requires no cutting, trimming or removal of the front bumper or radiator shroud. It is a direct fit which bolts up into the original stock intercooler location. The CNC connectors will connect to either the stock F30 intercooler piping or to any upgraded intercooler piping that fits the stock intercooler.
If you're looking to improve the charged airflow and simplify your intercooler piping, the ARM Motorsports F30 FMIC Hose Upgrade is available as an optional upgrade. This hose upgrade is designed to fit the ARM F30 Charge Pipe upgrade and eliminates the need for the stock F30 intercooler connections altogether. It reduces the total amount of connections by 50%, from 4 to 2 on the driver side, and 4 to 3 on the passenger side. The ARM F30 Charge Pipe is required to fit the ARM F30 FMIC Hose Upgrade. 
| Make` |
Chassis |
Model | Engine |
| BMW | F22 | 228i | N20/N26 2.0L |
| BMW | F22 | 228i xDrive | N20/N26 2.0L |
| BMW | F22 | M235i | N55 3.0L |
| BMW | F22 | M235i xDrive | N55 3.0L |
| BMW | F23 | 228i | N20/N26 2.0L |
| BMW | F23 | 228i xDrive | N20/N26 2.0L |
| BMW | F23 | M235i | N55 3.0L |
| BMW | F23 | M235i xDrive | N55 3.0L |
| BMW | F30 | 320i | N20/N26 2.0L |
| BMW | F30 | 320i xDrive | N20/N26 2.0L |
| BMW | F30 | 328i | N20/N26 2.0L |
| BMW | F30 | 328i xDrive | N20/N26 2.0L |
| BMW | F30 | 335i | N55 3.0L |
| BMW | F30 | 335i xDrive | N55 3.0L |
| BMW | F31 | 328i xDrive | N20/N26 2.0L |
| BMW | F32 | 428i | N20/N26 2.0L |
| BMW | F32 | 428i xDrive | N20/N26 2.0L |
| BMW | F32 | 435i | N55 3.0L |
| BMW | F32 | 435i xDrive | N55 3.0L |
| BMW | F34 | 328i xDrive | N20/N26 2.0L |
| BMW | F34 | 335i xDrive | N55 3.0L |
| BMW | F36 | 428i | N20/N26 2.0L |
| BMW | F36 | 428i xDrive | N20/N26 2.0L |
| BMW | F36 | 435i | N55 3.0L |
| BMW | F36 | 435i xDrive | N55 3.0L |
| BMW | F87 | M2 | N55 3.0L |
Please read before ordering. Eurosport Performance does not carry live inventory on this site. Most products are ordered for you directly from the manufacturer or our suppliers, and we follow their lead times. Placing an order confirms you have read and accepted the availability terms below.
| In stock
Ships within 24 to 48 hours
Products marked in stock are on our shelves in Montreal and leave within one to two business days.
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Ordered for you
Most orders ship in 5 to 7 business days
Everything else is ordered from the manufacturer or supplier when you order. Delays can occur; if they do, we contact you.
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Supplier lead times apply
If a product is not listed as in stock here and is on backorder at the manufacturer, it will most likely be on backorder for us too. We will tell you as soon as we know.
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We keep you informed
You receive a confirmation when the order is placed, a notice if a delay comes up, and tracking the moment it ships.
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Only products explicitly marked in stock are on our shelves. For everything else, the fastest way to know the current lead time is to ask us before you order; we check with the supplier and reply with a date.
Confirmed means we have placed the order with the manufacturer or supplier on your behalf. Shipping follows once the part reaches us or ships directly to you, usually within 5 to 7 business days for products that are available at the source.
We tell you as soon as the supplier confirms it, with the expected date when they give one. You can keep the order open, switch to an alternative we suggest, or cancel for a full refund before the part ships.
Yes. Any order that has not shipped can be cancelled by contacting us, and the refund goes back to your original payment method. Please contact us rather than opening a dispute with your bank: a cancellation takes us minutes, a chargeback takes weeks and freezes the refund in the meantime.
Sometimes. Larger or special-order items can ship to you directly from the supplier to save days in transit. You still receive tracking from us either way.
Orders ship from Montreal or directly from our suppliers. For Canadian addresses the price you pay is the price, with no import or duty fees added on delivery. See our shipping policy for details.
You get an email with the tracking number the moment the label is created, and you can follow the order in your account on the site or in the SPECD app.
Want a lead time before you order? Email us or use the contact page with the product name and your vehicle, and we will confirm availability with the supplier.
Products are warrantied by their manufacturer. Eurosport Performance is an authorized reseller: every part we sell is covered by the manufacturer's own warranty, with its own terms and duration. Claims go through us, so you deal with Eurosport Performance rather than a form on the brand's site, but whether a claim is accepted is the manufacturer's decision.
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Manufacturer terms apply
Duration and coverage are set by the brand and differ from one to the next: some cover one year, some a lifetime, some only the original purchaser. The brand's warranty page is the reference; ask us if you cannot find it.
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We file the claim for you
Contact us with your order number, photos and a description of the issue. We open the claim with the manufacturer, follow it up, and arrange the repair, replacement or credit they approve. The manufacturer decides whether the claim is accepted.
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Fitment guarantee: North America only
We guarantee fitment for vehicles sold in the North American market. Vehicles from other markets are out of scope; specifications differ, and it is the customer's responsibility to confirm compatibility before ordering.
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No warranty on tuning files
ECU and TCU tunes and other software files are sold without warranty and are not returnable once delivered or flashed. Tuning can affect your vehicle's factory warranty; please read the brand's terms before purchasing.
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Proof of purchase
Your Eurosport Performance order is the proof of purchase every manufacturer asks for. Keep the order confirmation; it is also in your account on the site and in the SPECD app.
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What is usually not covered
Damage from improper installation, modification, abuse, racing or an incorrect application for the vehicle, and normal wear items such as pads, clutch discs and filters. Shipping and labour are covered only when the manufacturer's terms say so.
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It is the manufacturer's warranty for that product. Where the brand publishes it, we note it in the description; otherwise contact us before ordering and we will confirm the exact terms with them.
Stop using it if it is a safety-related part, then contact us with your order number, clear photos, and when and how the issue appeared. Do not return anything until we confirm the claim; manufacturers often require an inspection or an authorization number first.
The manufacturer. We prepare and submit the claim, provide the proof of purchase and push for a fair outcome, but acceptance, replacement or credit is their call under their terms. We pass their decision on to you as soon as we have it.
It depends on the manufacturer. Simple cases are approved in days; claims that need the part inspected can take a few weeks. We keep you updated at each step and push when it drags.
No. Tuning files are software; once delivered or flashed they cannot be returned, and they carry no warranty from Eurosport Performance or, in most cases, from the tuner. Support for the tune itself (revisions, flashing questions) comes from the tuning brand under its own terms.
No. Our fitment guarantee covers vehicles sold in the North American market only. European, Japanese and other market vehicles can differ in engines, electronics and dimensions, and a part listed for the North American model is not guaranteed to fit. If you order for one of these vehicles, confirming compatibility is your responsibility, and fitment issues on such vehicles are not covered by returns or warranty.
Labour is not covered unless the manufacturer's terms specifically include it. Having the part installed by a qualified shop protects your claim: improper installation is the most common reason a manufacturer declines.
No. Returns cover unused parts you no longer want, under our refund policy. Warranty covers a part that fails in use, under the manufacturer's terms. If you are unsure which applies, contact us and we will point you to the right one; please do not open a bank dispute, as it pauses both processes.
Questions about coverage before you buy? Email us with the product and your vehicle and we will confirm the manufacturer's terms.
