CSF Intercooler is NOT direct fit on 135i - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
Intercooler for bmw N54 N55 135i 1M E82 E88 intercooler 335i - AliExpress
AMS Performance Intercooler BMW 135i E82 2008
200001022 - Wagner Evo I Performance Front Mount Intercooler - BMW E82 135i, E9X 335i, E89 Z4 35i | Turner Motorsport
Upgrade Intercooler for BMW E82 E88 135i 08-13 E90 E92 335i 06-11 N54/N55 Z4 35i | eBay