Best Accessories
Tested gear that's actually worth buying.
Essentials
Budget dryer option. Simpler than the S2, still gets spools reliably dry.
Amazon →Bed adhesion solution. Better than glue stick for PETG and engineering materials.
Amazon →
Hardened nozzle for CF/GF filament. Bambu advises against stainless steel and brass nozzles for these; they wear out quickly.
Amazon →Silicone grease for the Z lead screws. A tube lasts years. Don't use on carbon rods.
Amazon →H13 room purifier. A built-in H12 HEPA stage is only on the X1E, X2D and the H2 series. Not tested by us.
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Build Plates
Double-sided PEI plates compared, size compatibility per printer and when to use glue: our build plate guide for Bambu printers.
Tools
Storage
Drying temperatures, vacuum storage and when the AMS 2 Pro is enough: our filament dryer guide for Bambu printers.

Vacuum-seal spools for long-term storage. Essential if you don't print daily.
Amazon →Reusable orange beads for the AMS. Bake them back to orange instead of rebuying. Cobalt-free indicator.
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Finishing
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Upgrades

Capricorn XS, 1.9 mm ID. Narrower than Bambu's stock tubes (2.0 mm inside the AMS and on the X1/P1, 2.5 mm on the A1, A1 mini, A2L, P2S, X2D, H2C, H2D and H2S); Bambu advises against a smaller ID because it adds friction. In our own printers it has still worked better than the stock tube, which is why we keep recommending it; if feeding gets worse, go back to the stock size.
Amazon →Hardened steel nozzles for the A1 series quick-swap hotend. Required for abrasive CF/GF filaments that wear out the stock nozzle.
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