The do88 intercooler for 2007–2013 BMW 135i and 335i with N54/N55 engines (E82/E88/E9X) is a direct-fit replacement that cools intake charge air to support consistent turbo operation. Specified for these N54/N55 platforms, the unit installs using factory mounting points and preserves original charge-air routing while refreshing the intercooler system.
do88 07-13 BMW 135i/335i N54/N55 (E82/E88/E9X) Intercooler