Dinan’s carbon fibre cold air intake for the N55 engine delivers real, tune-free gains: up to 10 bhp and 15 lb ft torque. It’s a fast-road or track-day upgrade that bolts straight on using factory ducting - no cutting, no tuning, no compromises.
Direct fit for F22 M235i, F23 M235i Convertible, F30 335i, F34 335i GT, F32/F33/F36 435i (2012-2015)
Sealed cold air path retains OEM reliability while feeding cooler, denser air
