5150 AutoSport 5-Axis CNC Cylinder Head Porting for BMW / Toyota B58 Engines Please note that price is based on customer providing disassembled, clean core. If you need help sourcing a core, please contact our sales team. Also note that this service includes a 1-2 week turnaround time for service completion, beginning when the 5150 Team receives your head. Investing in cylinder head porting for your high-performance BMW engine enhances airflow efficiency for improved engine power, throttle response, and overall performance. By optimizing the intake and exhaust passages, porting reduces restrictions, allowing the engine to breathe better and generate more horsepower and torque. We only use CNC equipment, ensuring that each port is machined to the exact same specifications, providing uniformity across all cylinders. This precision is crucial for maintaining consistent performance and efficiency. Service Includes: Multi-Angle CNC Porting Porting involves modifying the intake and exhaust ports of the cylinder head to improve the flow of air and fuel into the combustion chamber and the expulsion of exhaust gases out of the chamber. The first step of this process involves assessing the cylinder head's current flow characteristics to identify any restrictions or turbulence. Then, material is carefully removed from the walls of the intake and exhaust ports to simultaneously enlarge them and improve their shape for optimal flow. The result is a smoother, more direct path for air and fuel into the combustion chamber, as well as a smooth, more efficient path for exhaust to flow out of the combustion chamber. Because we use CNC machining, we can ensure each port is exact and even across the cylinder head. This means airflow is balanced across all cylinders. Benefits of porting include increased airflow for more power and improved throttle response. BMW B58 Gen 1 Applications: 1 Series 2016-2019 F20/F21 M140i 2 Series 2016-2019 F22/F23 M240i 3 Series 2015-2019 F30/F31 340i / 340i xDrive2016-2019 F34 340i GT / 340i GT xDrive 4 Series 2016-2020 F32/F33/F36 440i / 440i xDrive 5 Series 2016-2019 G30/G31 540i / 540i xDrive 6 Series 2017-2019 G32 640i GT / 640i GT xDrive 7 Series 2015-2019 G11/G12 740i / 740i xDrive X3 Series 2017-2019 G01 X3 M40i X4 Series 2018-2019 G02 X4 M40i BMW B58 Gen 2 Applications: 3 Series 2019-Present G20/G21 M340i / M340i xDrive 4 Series 2020-Present G22/G23/G26 M440i / M440i xDrive Z Series 2019-Present G29 Z4 M40i 5 Series 2020-Present G30/G31 LCI 540i / 540i xDrive 6 Series 2020-Present G32 LCI 640i GT / GT 640i xDrive 7 Series 2019-Present G11/G12 LCI 740i / 740i xDrive X3 Series 2020-Present G01 X3 M40i X4 Series 2020-Present G02 X4 M40i X5 Series 2018-Present G05 X5 xDrive40i X6 Series 2019-Present G06 X6 xDrive40i X7 Series 2018-Present G07 X7 xDrive40i ALPINA B58 Gen 2 Applications: B3 Series 2020-Present G20/G21 B3 B4 Series 2022-Present G22 B4 B5 Series 2020-Present G30 B5 XB7 Series 2020-Present G07 XB7 Toyota B58 Gen 2 Applications: A90 / A91 Supra 2020-Present GR Supra 3.0 2020-Present GR Supra 3.0 Premium 2021-Present GR Supra 3.0 A91 Edition
