When it comes to the B48 platform, FTP is extremely familiar with its intake system and airflow characteristics.

Our design philosophy has always been more understated and OEM-oriented. Rather than creating an overly aggressive intake layout, our goal is to maintain higher airflow while preserving the original intake system configuration and sensor operation.

The design concept is similar to the G87 M2 Racing intake layout, which retains the factory mounting position and overall configuration while removing components that can restrict airflow, such as the resonator and sound-dampening sections, in order to improve airflow efficiency.

Reference OEM Part Numbers

• 13 71 5 B7B 1E3 – Clean Air Duct
• 13 71 5 B7A F20 – Clean Air Transfer Duct

Related OEM Part Numbers

• 13718663614 – Filtered Air Pipe
• 13718656981 – Filtered Air Pipe with Resonator

Our design retains the original BMW layout, but the product itself can be separated into two sections:

• Upper section: Silicone intake hose
• Lower section: Aluminum alloy intake pipe

Both sections are designed so they can be used independently with the original factory intake system.

The lower aluminum intake pipe can also be connected to many aftermarket intake systems, giving customers more flexibility for future upgrades.

This new design can replace our previous SG71440 G-B48 Intake Pipe.

Both products serve essentially the same function, but the new design provides greater installation flexibility and more room for future intake upgrades.

Part was found on the following vehicles:

• 2' G42 (07/2021 — 12/2023)
• 3' G20 (10/2017 — 12/2023)
• 4' G22 (06/2020 — 12/2023)
• 4' G23 (06/2020 — 12/2023)
• 4' G26 Gran Coupe (03/2021 — 12/2023)
• Z4 G29 (10/2017 — 12/2023)
• 5' G30 (10/2015 — 12/2023)
• 5' G31 (03/2016 — 12/2023)
• 5' G38 (02/2016 — 12/2023)
• 6' G32 GT (10/2016 — 12/2023)
• 7' G11 (12/2014 — 12/2023)
• 7' G11 LCI (01/2018 — 12/2023)
• 7' G12 (12/2014 — 12/2023)
• 7' G12 LCI (01/2018 — 12/2023)
• X3 G01 (10/2016 — 12/2023)
• X3 G08 (01/2017 — 12/2023)
• X4 G02 (03/2017 — 12/2023)

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Updated: 2026/10/20