




F30 TRANS VENT PORT PLUG
The ARM F3X Vent Port Plug is made for all 6-speed manual F-Series BMWs to seal off the vent port connection on the charge pipe.
Most aftermarket charge pipes — including the ARM N55 Charge Pipe — include a vent port for automatic cars and a plastic cap to close it off on a 6MT car. Those caps aren't reliable and tend to leak or pop off under boost, leaving you with a check engine light and the car in limp mode. The ARM Vent Port Plug gives this unused connection a secure, permanent seal.
Highlights
- CNC-machined aluminum
- Seals off the trans vent port
- Improved exhaust note
Construction
The plug is machined from a solid piece of aluminum and includes a high-temperature O-ring for a tight seal at the vent port connection on the charge pipe. It locks in place with a single 2.5mm hex screw.
In the box
- ARM Vent Port Plug
- Securing Hex Bolt
Fitment
All 6-speed manual F-Series BMWs.
Backed by ARM Motorsports' lifetime warranty against defects in craftsmanship and fitment.
Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.
Pairs well with

F30 TRANS VENT PORT PLUG
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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