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Description
CSF High-Performance Intercooler (N54, N55) - E8x, E9xThe Racing & High Performance Division of CSF Inc. strives to build and engineer the most advanced, efficient, and reliable cooling systems in the world. CSF manufacturers a wide variety of sophisticated cooling systems with more than 117 different applications ranging from high performance all aluminium direct fit replacement radiators, to complete custom applications for race cars, power sports, off road, marine, and industrial uses. Product
The Racing & High Performance Division of CSF Inc. strives to build and engineer the most advanced, efficient, and reliable cooling systems in the world. CSF manufacturers a wide variety of sophisticated cooling systems with more than 117 different applications ranging from high performance all-aluminium direct-fit replacement radiators, to complete custom applications for race cars, power sports, off-road, marine, and industrial uses.
Product Information
THE BEST BMW N54/N55 INTERCOOLER ON THE MARKET
“It’s about damn time!” That’s what the industry shouted back when they found out that CSF would be releasing the world’s best BMW E-Series N54/N55 intercooler. Late to the party considering the platform is now over ten years old, but after the overwhelming success of the CSF’s newer BMW F-Series N55 intercooler, CSF had to answer the call and supply an industry-leading design to address all the shortcomings of not just the OEM unit, but also other aftermarket intercoolers.
The BMW N54 engine has become known as one of the best built, most reliable engines in the world, especially from a high performance tuning standpoint. Many owners are now pushing well over 500hp out of these motors, some getting in the 700’s on big single turbo set ups, and a few now inching near or over the 1000hp mark! Truly amazing performance can be achieved when using the proper components from quality high performance companies, including needing a worthy high performance intercooler to handle the increased Intake Air Temperatures (IAT’s) generated from more power and higher boost pressures associated with these built vehicles.
Direct replacement for BMW part number 17517540035.
FEATURES
The only TRUE Plug-and-Play solution compared to the rest.
No cheaper silicone hose clamp System, BMW style “Quick-Connect” machined fittings.
OEM mounting locations with fitment kit and instructions included.
Clears OEM crash bar, no modification to install with no cutting or trimming required.*
Bottom (larger) section: 5.5” thick (140mm).
Massive front face: ~8.25” Tall (210mm).
Good for Over 1000 HP!
SPRAY PAINT STENCIL PROVIDED FOR PERSONAL CUSTOMIZATIONS.
CSF VS OEM
IS IT TIME TO REPLACE YOUR OEM INTERCOOLER?
The weak plastic endcaps can become weak & brittle over time with repeated heat cycle use and normal wear. Keep in mind the model range of 2004-2013 so the original OEM intercooler can be anywhere from 5 to almost 15 years old at the time of writing this article.
The OEM style tube/fin core has many performance limitations (keep reading below), and may also become full of debris from typical road use effecting performance of an already limited intercooler. Also, being mounted in the front fascia of the vehicle, small rock chips or debris may cause small punctures in the tubes of the core, causing small boost leaks which users may not realize, further reducing intercooler performance.
The direct injection system of the N54 engine causes massive amounts of oil build up in the charge piping, intercooler, and intake manifold. This further reduces the performance of the intercooler.
Before purchasing another OEM replacement intercooler for ~$530USD, potential buyers should realize that there is a much better alternative (at an even better price point!) with CSF’s new BMW N54/N55 intercooler.
INTERCOOLER DESIGN
The OEM intercooler is made from plastic end tanks that are crimped on to an aluminum tube/fin core that is ~4 inches thick (105mm core width) and is 5 inches in height (127mm). This may be enough to keep IAT’s in check on a completely unmodified / stock vehicle, but once users to start increase power through bolt-on modifications, tuning, and built engines, the OEM intercooler will become the achilles heel of the system with IAT’s skyrocketing out of the optimal range and drastically lowering the performance capabilities of the vehicle.
Enter CSF with their new, stepped core design, bar/plate high performance BMW n54 intercooler. This “drop-in fit” intercooler, which requires no modifications to install, has a bottom / larger section that is 5.5 inches thick (140mm) with a front face that is massive ~8.25 inches tall (210mm). A huge improvement over the OEM unit, and enough to handle even the most advanced n54 engine builds. Good for 1000hp, no problem!
CORE
The OEM, and some higher-price aftermarket units, are made out of a tube/fin style core. While lightweight, this type of core is prone to heat soaking under high boost levels and prolonged use. Also, the core is susceptible to bursting (or bulging) due to increased boost levels as tube/fin cores can not take the higher boost pressures of a high performance system.
CSF’s new BMW N54 intercooler is made from it’s industry exclusive rounded bar/plate core design. The rounded front face of the cooling bars allows for better airflow into the core. Airflow hits the core surface, and rather than scattering like it does with hitting the face of a flat bar that all competing products have, it travels around the face of the round bar and into core for much better performance than both the OEM design (flat face) and all other aftermarket competitors (all have flat face tubes or bars).
CSF has also wind-tunnel tested (in-house) and optimized the size of the core and fin density of the intercooler core to ensure low pressure drop and proper airflow into the rest of the system, including the radiator which is known to be another shortcoming of the cooling system.
ENDTANKS
Compared to the OEM style plastic crimped on end tanks, the CSF unit is vastly improved. The all-aluminum cast end tanks are 100% TIG welded to the high performance core for better durability, reliability, and longevity. The CSF intercooler comes with a lifetime guarantee against manufacturing defects or failure due to normal / intended use.
Just like the OEM design, the CSF intercooler integrates the factory style “Quick-Connect” inlet/outlet fittings. CSF has CNC machined and welded these fittings to the core for perfect factory-level fitment. (new high performance locking spring clip included)
CSF VS THE COMPETITION
PRICE
Don’t be fooled by cheaper alternatives on the market. Yes, you can find an advertised “high-performance” intercooler for much cheaper, but what you end up buying may only be marginally better than the OEM unit you’re replacing. For the serious high-performance enthusiast, CSF offers the best value when deciding on a high-quality high-performance intercooler solution.
PERFORMANCE AND SIZE
Again, don’t be fooled by extremely large intercoolers. There are some options available that are 7inches or larger in core thickness. Bigger is not always better, especially when it comes to proper sizing and performance benefits of a high-performance intercooler. No one should consider hanging off the front of their “performance” car an intercooler that is more than ~30 pounds. When CSF decided on a proper sizing, the biggest intercooler possible was developed with a max weight of 30 pounds. Some larger options on the market are way over 40 pounds! Way too much to hang off the front of the car, the last place you want to add weight in a small performance sedan or coupe like the vehicles the N54 motor is found in. Also, intercoolers with thicker cores or options that say they have a “denser” core are not taking into account the negative effects on airflow into the rest of the cooling system. There is little to no true performance benefit if you have a cooling system with a massive intercooler resulting in very low IAT’s, but with very high water temperatures because of the lack of airflow, often resulting in the engine going into limp mode, especially when driving on the race track.
FITMENT
CSF’s new BMW N54/N55 intercooler is the only TRUE plug and play solution compared to the rest.
No cheaper silicon hose clamp system, only BMW style “Quick-Connect machined fittings.
OEM mounting locations w/ fitment kit and instructions included.
Clears OEM crash bar / no modification to install with no cutting or trimming required.
QUALITY
When purchasing a CSF intercooler, you’re purchasing from a cooling system manufacturer that is an ISO-certified Tier-1 OEM supplier that has designed, built, and tested the entire intercooler in-house. Competitors source their cores from overseas factories, and either weld the coolers themselves (not factory level production), or simply purchase an intercooler from a supplier source. Also, CSF intercoolers are meticulously hand welded by expert TIG welders and finished in a Semi-Gloss Black or Silver finish that is much more durable to damage than uncoated intercoolers. Finally, each intercooler is individually packaged with hardware kit, instructions, and CSF logo stencil.
Models
1 Series / E82 / E88 (2007-2013) / 1 Series M (1M)
Who's took my 2019 Honda CRV in for an oil change and to get the engine and cabin filters replaced. They fit and worked great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
T
Verified Purchase
Thomas M Hrabar
Boise, US
★★★★★ 5
Great value for the price
Perfect fit,good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
D
Verified Purchase
delia Richardson
Natrona Heights, US
★★★★★ 5
Excellent quality
Size: 2023-26 CRV 1.5L Gas
Fit my Honda CRV perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
N
NA
Whiting, US
★★★★★ 5
Great Value, Cost-Effective, Installs in Minutes
Size: 2023-26 CRV 1.5L Gas, Size: 2023-26 CRV 1.5L Gas
This air filter set ended up being a great value and a convenient all-in-one solution for routine maintenance.
What stood out right away is how closely these match OEM quality in terms of fit and overall design. Both the engine and cabin filters dropped into place without any issues, and installation was quick and straightforward. It’s the kind of swap that can be done in a short amount of time without needing any special tools, which is always a plus.
I also really like that this kit includes both filters together. Since it’s generally best to replace them at the same time, having everything bundled eliminates the need to search for separate parts, compare options, or deal with multiple orders and shipping times. It makes the whole process much more efficient.
In terms of performance, I did notice a slight improvement in fuel economy during my regular commute after installation. It’s not a dramatic change, but it’s a nice added benefit and a good indication that the filters are doing their job effectively.
Overall build quality seems solid, and everything feels comparable to what you’d expect from a factory replacement. For the price, this is an excellent value and a practical choice for keeping up with regular vehicle maintenance.
I’ve been very satisfied with this set so far and would definitely consider purchasing it again when it’s time for the next replacement.
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Reviewed in the United States on April 18, 2026
E
El Floor-eda
Battle Creek, US
★★★★★ 4
Professional-Grade Filtration for a Factory-Fresh Drive
Size: 2023-26 CRV 1.5L Gas
If you have a newer 1.5L Civic or CR-V, you know that keeping your engine breathing clean air is the best way to maintain fuel efficiency and long-term reliability. I picked up this Engine and Cabin Air Filter Set for a routine maintenance refresh, and the fit and material quality are indistinguishable from the factory components. It’s a high-quality, "all-in-one" solution that saves a trip to the dealership and keeps your cabin air crisp.
Why this filter set is a standout for 1.5L Honda owners:
Precise "Lock-Down" Fit (17220-64A-A00): The engine air filter is a perfect drop-in for the 2022–2026 Civic and 2023–2026 CR-V 1.5L gas models. The rubber gasket provides a tight, airtight seal in the airbox, ensuring that no dust or grit bypasses the filter.
High-Efficiency H13 Cabin Filtration: The cabin filter (80291-T5R-A01) is noticeably more substantial than some budget options. It does an excellent job of scrubbing out pollen, road dust, and exhaust odors, which is essential if you spend a lot of time on the road or deal with high-humidity environments.
Rugged, Deep-Pleat Construction: You can feel the quality in the filter media. The engine filter has consistent, deep pleats that maximize surface area for better airflow, while the cabin filter feels sturdy enough to handle high-velocity AC settings without vibrating or whistling.
Direct OEM-Spec Replacement: These are true 1:1 replacements for the factory part numbers. No trimming or "making it fit"—they slide into their respective housings exactly as they should, providing a professional-level service in under 15 minutes.
Outstanding Multi-Pack Value: Buying this set is a fraction of the cost of a dealership service. It’s an inexpensive bit of insurance for your engine’s intake system and your own respiratory comfort.
⚠️ Critical Fitment Note: This set is specifically engineered for the 1.5L Gas engines. If you are driving a 2.0L or a Hybrid model, the airbox dimensions are different, so double-check your engine specs before ordering to ensure a 100% compatible fit.
Installation Tip: When swapping the cabin filter, look for the "Air Flow" arrow on the side of the filter frame. Ensure it is pointing downward (toward the floor) to match the factory airflow direction. For the engine filter, give the inside of the airbox a quick wipe with a clean microfiber cloth before dropping the new one in to ensure a perfectly clean start.
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