5'' 7" Intercooler FMIC for N54 N55 BMW 135i, 335i, 335xi, 335is Color:Stealth Black Pre-assembled with Walbro 535 (Primary)

Pre-assembled with Walbro 535 (Primary)

which may cause premature failure to the high-pressure fuel pump and direct injectors

greatly reducing the typical mapping complications when making manual tuning changes

These cleanable lightweight dry filters look great while blocking dirt & debris from the cabin

fuel octane

5'' 7" Intercooler FMIC for N54 N55 BMW 135i, 335i, 335xi, 335is Color:Stealth Black Pre-assembled with Walbro 535 (Primary)5" INTERCOOLER FMIC An ARM FMIC upgrade is one of the best modifications for your 135i because not only does it yield an average of 25whp and 27wtq but it does so consistently. "How?" you may ask. When you increase power with a tune for example, you are increasing boost pressure and ultimately heat in the engine. When the ECU (DME) detects too much heat, it will actually reduce timing and limit the amount of power the engine can produce in order to