What kind of performance gains can I expect with this intercooler?

In testing, this intercooler showed an increase of 15-20 horsepower on stock N55 powered BMWs. On modified examples, you can expect an increase of 25 horsepower or more.

How much does this intercooler lower intake air temperatures?

CSF's testing showed intake air temperatures that were up to 38 degrees Fahrenheit (21 degrees Celsius) lower than the factory intercooler after just three consecutive pulls. It also helped maintain stable IATs during testing.

Does this intercooler require any permanent modifications to install?

No, this intercooler is designed as a true drop-in fit and is fully reversible. You can install it without any permanent modifications and revert back to the OEM setup if needed.

CSF 15-18 BMW M2 (F30/F32/F22/F87) N55 High Performance Stepped Core Bar/Plate Intercooler - Black

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Specifications

Brand: CSF
Part #: 8115B
UPC: 71035308115B

CSF 15-18 BMW M2 (F30/F32/F22/F87) N55 High Performance Stepped Core Bar/Plate Intercooler - Black

Name: CSF 15-18 BMW M2 (F30/F32/F22/F87) N55 High Performance Stepped Core Bar/Plate Intercooler - Black
Brand: CSF
Price: 499.00 USD
Availability: InStock

$499.00

On Backorder — Expected to ship by Apr 12, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

CSF is known for high-performance cooling. This stepped core bar/plate intercooler fits 11+ BMW N55 models, lowering intake air temps by up to 40°F.

Key Features

Fits 11+ BMW M2, M235i, 335i, 435i, and ActiveHybrid 3 models with the N55 engine.
Features a stepped core design that maximizes surface area contact and internal intake air flow volume.
Rounded front face bar/plate design optimizes airflow through the core for efficient cooling.
Designed as a true drop-in fit for easy and quick plug-and-play installation with OEM-style quick connect fittings.
Lab tested to show intake air temperatures up to 40°F lower than the factory intercooler after repeated runs.
Demonstrated power increases of 15-20 horsepower on stock N55 engines and 25+ horsepower on modified vehicles.

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Product Details

CSF has built a solid reputation for making high-performance cooling components, and this intercooler is a great example of that. If you're looking to get more out of your BMW with the N55 engine, this stepped core bar/plate intercooler is designed to help. It's built to maximize the surface area for better heat exchange and increase the internal volume for airflow, which is key for keeping your engine running strong, especially if you've added modifications or plan to increase boost. This intercooler fits a range of BMW models, including the M2, M235i, and 435i.

What really sets this intercooler apart is its stepped core design combined with a rounded front face bar/plate construction. This setup is engineered to optimize airflow through the core, ensuring efficient cooling. It's designed as a true plug-and-play, drop-in fit, meaning installation is straightforward without needing to cut or modify your existing setup. CSF even uses 3D scanning and rapid prototyping to make sure the fitment is precise. In testing, this intercooler showed a significant drop in intake air temperatures, up to 40°F lower than stock after several consecutive runs, and it helped maintain stable temperatures. You can expect an increase of 15-20 horsepower on stock N55 engines and even more on modified ones.

This intercooler comes in a sleek black finish and is designed to be fully reversible, so you can go back to the OEM setup if needed. It's lab-tested in CSF's own wind tunnel, and they back it with a lifetime warranty, giving you confidence in its performance and durability.