Name: Bambu Lab Filament Buffer – P2S
Brand: Bambu Lab
SKU: 6937285507433
Price: 999 EUR
Availability: InStock

Bambu Lab Filament Buffer – P2S

The original Bambu Lab Filament Buffer – P2S is a specially designed filament buffer for the Bambu Lab P2S 3D printer, which is necessary for the correct connection of the printer with the AMS / AMS 2 Pro unit. It regulates the movement of the filament and creates a reserve (loops) between the AMS and the printer so that the supply of filament to the hotend is smooth and stable even during high-speed printing and frequent color changes.

Note: The standalone P2S printer without AMS does not include the buffer – this part must be purchased separately for AMS use.

Key features

Designed for Bambu Lab P2S – the buffer is structurally adapted to the position and ports of the P2S printer.
Required for connecting AMS / AMS 2 Pro – includes an interface and port for the PTFE guide from the AMS to the printer.
Stable and smooth filament feeding – regulates the length and tension of the filament between the AMS and the printer.
More reliable filament tangle detection – helps the system more accurately evaluate resistance and potential feeding issues.
Original Bambu Lab spare part – guaranteed compatibility and trouble-free installation.
Compact design – designed to be placed directly next to the P2S printer so as not to interfere with access or maintenance.

Why use the dedicated P2S Filament Buffer

The newer generation Bambu Lab P2S printer has modified mechanics and filament routing compared to older models (P1S/X1). For full AMS system functionality, this special P2S filament buffer is therefore required, which:

matches the new position of the filament input port on the P2S,
is optimized for the new routing of PTFE tubes,
ensures correct operation of the tension and filament feed sensors.

Without this buffer, AMS on the P2S:

cannot be correctly connected,
has limited or non-functional filament tangle detection,
is at risk of irregular feeding and errors during printing.

Typical uses

Purchasing the buffer for P2S Standalone (without AMS) when later expanding with AMS / AMS 2 Pro.
Replacement of a damaged or worn-out buffer on an existing P2S.
Users who want to maximize the reliability of multi-material prints and have full functionality of all protection and detection features.

Installation

The installation is designed for the average user:

Place the buffer in the recommended position behind or next to the P2S printer.
Connect the PTFE tube from the AMS / AMS 2 Pro to the buffer input port.
Use a second PTFE tube to connect the buffer output to the filament input on the P2S.
Check that the filament can freely form loops inside the buffer and that nothing is obstructing it.

A detailed procedure is available in the official Bambu Lab documentation (including pictures and video guide).

Compatibility

Printer: Bambu Lab P2S
Filament feeding system: Bambu Lab AMS / AMS 2 Pro (P2S Combo or AMS purchased separately)

Package contents

Package contents may vary slightly by region/distributor, but typically include:

1× Bambu Lab Filament Buffer – P2S
mounting elements (screws / holders) depending on the specific configuration

Technical specifications

Parameter	Value
Manufacturer	Bambu Lab
Model	Filament Buffer – P2S
Intended for	3D printer Bambu Lab P2S + AMS/AMS 2 Pro
Function	Buffering and regulating filament movement
AMS compatibility	AMS, AMS 2 Pro
Body material	Plastic (structural, high stiffness)
Color	Gray / black (depending on production series)
Type of filament routing	PTFE tube between AMS – buffer – P2S
Recommended position	Behind / next to the P2S printer
Product type	Original Bambu Lab replacement and accessory part

Note: Specific dimensions and package weight may vary slightly depending on the production series and regional distribution.

Ideal for

Users who purchased Bambu Lab P2S without AMS and want to add AMS later.
Owners of P2S Combo who need a replacement buffer.
Anyone who wants to have maximum stability and reliability of filament feeding in multi-material and multi-buffer projects.

By using the original Bambu Lab Filament Buffer – P2S, you will utilize the full potential of your P2S printer and AMS unit with minimal manual intervention and print downtime.