The do88 BigPack intercooler kit for 2010–2013 BMW 135i, 335i and 35i with the N55 engine (E9X/E8X) is a full charge-air replacement that includes hoses and installation hardware. It improves intake-air cooling for the single-turbo N55 platform to help preserve consistent boost response under demanding conditions. Fitment and mounting are tailored for the specified E8X/E9X BMW applications.
do88 10-13 BMW 135i/335i/35i N55 (E9X/E8X) BigPack Intercooler Kit