CSF Performance Stepped Core Intercooler For 04-13 BMW 135i/335i/335xi N54 N55 piston Unlike other aftermarket solutions that

Unlike other aftermarket solutions that require complex modifications and additional parts

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CSF Performance Stepped Core Intercooler For 04-13 BMW 135i/335i/335xi N54 N55 piston Unlike other aftermarket solutions thatThe OEM intercooler is made from plastic end tanks that are crimped onto 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