diff --git a/firmware/config/boards/hellen/alphax-4chan/prepend.txt b/firmware/config/boards/hellen/alphax-4chan/prepend.txt
new file mode 100644
index 0000000000..b978d491b0
--- /dev/null
+++ b/firmware/config/boards/hellen/alphax-4chan/prepend.txt
@@ -0,0 +1,28 @@
+#define MAIN_HELP_URL "https://rusefi.com/s/hellenNB1"
+
+#define ts_show_hip9011 false
+#define ts_show_cj125 false
+
+! Jokeri says it's better with full pinout just in case
+! #define ts_show_full_pinout false
+
+#define ts_show_lcd false
+#define ts_show_joystick false
+#define ts_show_egt false
+#define ts_show_gps false
+#define ts_show_etb_pins false
+#define ts_show_analog_divider false
+#define ts_show_spi true
+#define ts_show_sd_card true
+#define ts_show_can_pins false
+#define ts_show_tunerstudio_port true
+#define ts_show_can2 false
+#define ts_show_software_knock true
+#define ts_show_hardware_simulator false
+
+#define show_test_presets false
+#define show_Frankenso_presets false
+#define show_microRusEFI_presets false
+#define show_Proteus_presets false
+#define show_Hellen_presets true
+#define show_HellenNB1_presets true
diff --git a/firmware/config/engines/hyundai.cpp b/firmware/config/engines/hyundai.cpp
index 32c1153886..42d103e970 100644
--- a/firmware/config/engines/hyundai.cpp
+++ b/firmware/config/engines/hyundai.cpp
@@ -8,7 +8,41 @@
 #include "hyundai.h"
 #include "map.h"
 
+static void commonGenesisCoupe() {
+	strncpy(config->luaScript, R"(
+
+-- listen to CAN ID 0x4f0
+canRxAdd(0x4f0)
+
+-- todo: add payload logic
+packet546 = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }
+
+function onCanRx(bus, id, dlc, data)
+	id11 = id % 2048
+	print('got CAN id=' .. id .. ' dlc='  .. dlc)
+	-- todo: add filtering logic if needed
+
+	rpm = getSensor("RPM")
+	-- handle nil RPM, todo: change firmware to avoid nil RPM
+	rpm = (rpm == nil and 0 or rpm)
+
+	if rpm > 800 then
+		-- at the moment we simply
+		txCan(1, 0x546, 0, packet546)
+	end
+
+
+end
+
+function onTick()
+end
+
+
+)", efi::size(config->luaScript));
+}
+
 void setGenesisCoupeBK1() {
+	commonGenesisCoupe();
 	// 2010-2012 315cc at 43.5psi
 	// fuel system is fixed pressure 55psi
 	engineConfiguration->injector.flow = 354.19; // https://www.google.com/search?q=315*sqrt%2855%2F43.5%29
@@ -17,6 +51,7 @@ void setGenesisCoupeBK1() {
 }
 
 void setGenesisCoupeBK2() {
+	commonGenesisCoupe();
 	// 2013+ 450cc at 43.5
 	// fuel system is fixed pressure 85psi
 	// flow rate P2 = flow rate P1 * sqrt(P2/P1)