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The do88 BigPack intercooler kit for 2007–2010 BMW 135i, 335i and 35i with the N54 engine (E9X/E8X) is a complete upgrade that replaces the factory intercooler and includes required hoses and hardware. It enhances charge-air cooling for those twin-turbo N54 applications to help maintain consistent intake temperatures and throttle response under sustained use. Fitment is specific to the listed E8X/E9X models.
do88 07-10 BMW 135i/335i/35i N54 (E9X/E8X) BigPack Intercooler Kit
