Stage 2 & Stage 3 Hardware for BMW F20/F21 The second-generation 1 Series manufactured between 2011-2019 brought the iconic B58 platform to the hot hatch segment. Reaching 450 to 600+ bhp on this platforms requires M140i performance parts that matches fuel delivery and air capacity without cooking the intake charge.

• B58 Hybrid Turbos: Built using CNC-machined compressor housings, high-flow clipped turbines, and uprated internal bearings. These units bolt directly into factory locations, pairing with stock oil and water lines to deliver high-boost stability.

• N47 Hybrid Turbos: Upgraded compressor wheels and high-flow turbine profiles enable sustained boost delivery at higher RPMs where the factory turbo runs out of breath.

• Competition Core Intercoolers: The compact factory radiator pack suffers from heat saturation under sustained boost. Our upgraded stepped-core intercoolers offer up to an 85% increase in frontal surface area and 60% more internal volume to keep intake temps low.

• 3.5″ and 4″ Mandrel-Bent Downpipes: Replace the dense OEM particulate/catalytic downpipe directly off the turbo hot-side. Decreased backpressure protects your turbo seals, drops EGTs, and produces a deeper exhaust sound.

Fitment & Compatibility FAQ

• Are these 1 Series performance parts direct replacement? Yes. All our intercoolers, downpipes, and hybrid units are engineered to fit OEM brackets, v-bands, and sensors without chassis cutting.

• What hardware is needed for Stage 2 on an M140i or M135i? A high-flow downpipe and uprated intercooler (for N55) or charge cooling optimisation (for B58) are essential before applying Stage 2 mapping.

Contact us if you have any questions about unlocking the full potential of your BMW with our high-performance 1 Series F20/F21 upgrade  hybrid turbos and parts from Falcon Turbos.