diff --git a/keyboards/kprepublic/bm16a/keymaps/vial/config.h b/keyboards/kprepublic/bm16a/keymaps/vial/config.h
new file mode 100644
index 0000000000..3aff809dca
--- /dev/null
+++ b/keyboards/kprepublic/bm16a/keymaps/vial/config.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#define VIAL_KEYBOARD_UID {0x58, 0x55, 0xE7, 0x22, 0xE7, 0x2F, 0xD2, 0x9A}
+
+#define VIAL_UNLOCK_COMBO_ROWS { 0, 0 }
+#define VIAL_UNLOCK_COMBO_COLS { 0, 3 }
+
+// Reduce firmware size by decreasing number of functions:
+#define DYNAMIC_KEYMAP_LAYER_COUNT 4
+#define DYNAMIC_KEYMAP_MACRO_COUNT 16
+#define VIAL_COMBO_ENTRIES 4
+#define VIAL_KEY_OVERRIDE_ENTRIES 4
+#define VIAL_TAP_DANCE_ENTRIES 4
+
+// Reduce firmware size by removing unneeded animations:
+#undef RGBLIGHT_ANIMATIONS
+#define RGBLIGHT_EFFECT_ALTERNATING
+#define RGBLIGHT_EFFECT_BREATHING
+#define RGBLIGHT_EFFECT_CHRISTMAS
+#define RGBLIGHT_EFFECT_KNIGHT
+#define RGBLIGHT_EFFECT_RAINBOW_MOOD
+#define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+#define RGBLIGHT_EFFECT_RGB_TEST
+#define RGBLIGHT_EFFECT_SNAKE
+#define RGBLIGHT_EFFECT_STATIC_GRADIENT
+// #define RGBLIGHT_EFFECT_TWINKLE
diff --git a/keyboards/kprepublic/bm16a/keymaps/vial/keymap.c b/keyboards/kprepublic/bm16a/keymaps/vial/keymap.c
new file mode 100644
index 0000000000..59eae99218
--- /dev/null
+++ b/keyboards/kprepublic/bm16a/keymaps/vial/keymap.c
@@ -0,0 +1,43 @@
+/* Copyright 2022
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [0] = LAYOUT_ortho_4x4(
+    KC_P7,    KC_P8,    KC_P9,    KC_PMNS,
+    KC_P4,    KC_P5,    KC_P6,    KC_PPLS,
+    KC_P1,    KC_P2,    KC_P3,    KC_PENT,
+    KC_P0,    KC_PDOT,  KC_SPC,   MO(1)
+  ),
+  [1] = LAYOUT_ortho_4x4(
+    RESET,    KC_PAST,  KC_PSLS,  _______,
+    BL_TOGG,  BL_DEC,   BL_INC,   BL_STEP,
+    RGB_TOG,  RGB_MOD,  RGB_HUI,  RGB_HUD,
+    RGB_SAI,  RGB_SAD,  _______,  _______
+  ),
+  [2] = LAYOUT_ortho_4x4(
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS
+  ),
+  [3] = LAYOUT_ortho_4x4(
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,
+    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS
+  )
+};
diff --git a/keyboards/kprepublic/bm16a/keymaps/vial/readme.md b/keyboards/kprepublic/bm16a/keymaps/vial/readme.md
new file mode 100644
index 0000000000..2b43d7cc48
--- /dev/null
+++ b/keyboards/kprepublic/bm16a/keymaps/vial/readme.md
@@ -0,0 +1,7 @@
+# Vial Keymap for BM16a
+
+[Vial] settings for the [KPrepublic BM16a] with a default keymap based on the stock layout that this keypad ships with.
+
+
+[Vial]: https://get.vial.today
+[KPrepublic BM16a]: https://kprepublic.com/collections/bm16/products/bm16a-16-keys-custom-mechanical-keyboard-pcb-plate-programmed-numpad-layouts-qmk-firmware-with-rgb-bottom-underglow-alps-mx
diff --git a/keyboards/kprepublic/bm16a/keymaps/vial/rules.mk b/keyboards/kprepublic/bm16a/keymaps/vial/rules.mk
new file mode 100644
index 0000000000..3ac00ba36a
--- /dev/null
+++ b/keyboards/kprepublic/bm16a/keymaps/vial/rules.mk
@@ -0,0 +1,7 @@
+VIA_ENABLE = yes
+VIAL_ENABLE = yes
+
+# Reduce firmware size:
+LTO_ENABLE = yes
+MAGIC_ENABLE = no
+QMK_SETTINGS = no
diff --git a/keyboards/kprepublic/bm16a/keymaps/vial/vial.json b/keyboards/kprepublic/bm16a/keymaps/vial/vial.json
new file mode 100644
index 0000000000..2b6952562f
--- /dev/null
+++ b/keyboards/kprepublic/bm16a/keymaps/vial/vial.json
@@ -0,0 +1,15 @@
+{
+  "name": "KPrepublic BM16a",
+  "vendorId": "0x4B50",
+  "productId": "0x016A",
+  "lighting": "qmk_backlight_rgblight",
+  "matrix": { "rows": 4, "cols": 4 },
+  "layouts": {
+    "keymap": [
+        ["0,0","0,1","0,2","0,3"],
+        ["1,0","1,1","1,2","1,3"],
+        ["2,0","2,1","2,2","2,3"],
+        ["3,0","3,1","3,2","3,3"]
+    ]
+  }
+}