diff --git a/firmware/config/boards/hellen/cypress/config/controllers/algo/auto_generated_enums.cpp b/firmware/config/boards/hellen/cypress/config/controllers/algo/auto_generated_enums.cpp
index 9ad0c11a73..4209e30178 100644
--- a/firmware/config/boards/hellen/cypress/config/controllers/algo/auto_generated_enums.cpp
+++ b/firmware/config/boards/hellen/cypress/config/controllers/algo/auto_generated_enums.cpp
@@ -806,8 +806,8 @@ const char *getEngine_load_mode_e(engine_load_mode_e value){
 switch(value) {
 case Force_4_bytes_size_engine_load_mode:
   return "Force_4_bytes_size_engine_load_mode";
-case LM_ALPHA_N_2:
-  return "LM_ALPHA_N_2";
+case LM_ALPHA_N:
+  return "LM_ALPHA_N";
 case LM_MOCK:
   return "LM_MOCK";
 case LM_REAL_MAF:
diff --git a/firmware/config/boards/hellen/cypress/config/controllers/algo/rusefi_generated.h b/firmware/config/boards/hellen/cypress/config/controllers/algo/rusefi_generated.h
index 5f2c3c9635..b061180448 100644
--- a/firmware/config/boards/hellen/cypress/config/controllers/algo/rusefi_generated.h
+++ b/firmware/config/boards/hellen/cypress/config/controllers/algo/rusefi_generated.h
@@ -362,7 +362,7 @@
 #define enableVerboseCan2Tx_offset 2116
 #define enableVerboseCanTx_offset 744
 #define engine_configuration_s_size 6000
-#define engine_load_mode_e_auto_enum "INVALID", "INVALID", "INVALID", "LM_SPEED_DENSITY", "LM_REAL_MAF", "LM_ALPHA_N_2", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "LM_MOCK"
+#define engine_load_mode_e_auto_enum "INVALID", "INVALID", "INVALID", "LM_SPEED_DENSITY", "LM_REAL_MAF", "LM_ALPHA_N", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "LM_MOCK"
 #define engine_load_mode_e_enum "INVALID", "INVALID", "INVALID", "Speed Density", "MAF Air Charge", "Alpha-N", "INVALID"
 #define ENGINE_MAKE_BMW "BMW"
 #define ENGINE_MAKE_GM "GM"
diff --git a/firmware/config/boards/kinetis/config/controllers/algo/auto_generated_enums.cpp b/firmware/config/boards/kinetis/config/controllers/algo/auto_generated_enums.cpp
index 3386f2bf66..b5fa89ce6a 100644
--- a/firmware/config/boards/kinetis/config/controllers/algo/auto_generated_enums.cpp
+++ b/firmware/config/boards/kinetis/config/controllers/algo/auto_generated_enums.cpp
@@ -602,8 +602,8 @@ const char *getEngine_load_mode_e(engine_load_mode_e value){
 switch(value) {
 case Force_4_bytes_size_engine_load_mode:
   return "Force_4_bytes_size_engine_load_mode";
-case LM_ALPHA_N_2:
-  return "LM_ALPHA_N_2";
+case LM_ALPHA_N:
+  return "LM_ALPHA_N";
 case LM_MOCK:
   return "LM_MOCK";
 case LM_REAL_MAF:
diff --git a/firmware/config/boards/kinetis/config/controllers/algo/rusefi_generated.h b/firmware/config/boards/kinetis/config/controllers/algo/rusefi_generated.h
index 7c948006e6..c71553ae22 100644
--- a/firmware/config/boards/kinetis/config/controllers/algo/rusefi_generated.h
+++ b/firmware/config/boards/kinetis/config/controllers/algo/rusefi_generated.h
@@ -362,7 +362,7 @@
 #define enableVerboseCan2Tx_offset 2116
 #define enableVerboseCanTx_offset 744
 #define engine_configuration_s_size 6000
-#define engine_load_mode_e_auto_enum "INVALID", "INVALID", "INVALID", "LM_SPEED_DENSITY", "LM_REAL_MAF", "LM_ALPHA_N_2", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "LM_MOCK"
+#define engine_load_mode_e_auto_enum "INVALID", "INVALID", "INVALID", "LM_SPEED_DENSITY", "LM_REAL_MAF", "LM_ALPHA_N", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "LM_MOCK"
 #define engine_load_mode_e_enum "INVALID", "INVALID", "INVALID", "Speed Density", "MAF Air Charge", "Alpha-N", "INVALID"
 #define ENGINE_MAKE_BMW "BMW"
 #define ENGINE_MAKE_GM "GM"
diff --git a/firmware/config/engines/bmw_m73.cpp b/firmware/config/engines/bmw_m73.cpp
index 90b71e6ffa..82030751f0 100644
--- a/firmware/config/engines/bmw_m73.cpp
+++ b/firmware/config/engines/bmw_m73.cpp
@@ -93,6 +93,7 @@ void m73engine(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	strcpy(CONFIG(engineCode), "M73");
 	engineConfiguration->specs.firingOrder = FO_1_7_5_11_3_9_6_12_2_8_4_10;
 	CONFIG(isFasterEngineSpinUpEnabled) = true;
+	CONFIG(fuelAlgorithm) = LM_ALPHA_N;
 
 	engineConfiguration->vvtMode = VVT_FIRST_HALF;
 
diff --git a/firmware/config/engines/bmw_m73_mre.cpp b/firmware/config/engines/bmw_m73_mre.cpp
index ccb1e382cf..7cb39d6bcd 100644
--- a/firmware/config/engines/bmw_m73_mre.cpp
+++ b/firmware/config/engines/bmw_m73_mre.cpp
@@ -120,7 +120,7 @@ void setEngineBMW_M73_microRusEfi(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	CONFIG(crankingTimingAngle) = 30;
 
 	// I am too lazy to add MAP sensor
-	engineConfiguration->fuelAlgorithm = LM_ALPHA_N_2;
+	engineConfiguration->fuelAlgorithm = LM_ALPHA_N;
 
 	// set cranking_fuel 15
 	engineConfiguration->cranking.baseFuel = 15;
diff --git a/firmware/config/engines/citroenBerlingoTU3JP.cpp b/firmware/config/engines/citroenBerlingoTU3JP.cpp
index f15387517f..d775304bcc 100644
--- a/firmware/config/engines/citroenBerlingoTU3JP.cpp
+++ b/firmware/config/engines/citroenBerlingoTU3JP.cpp
@@ -74,7 +74,7 @@ void setCitroenBerlingoTU3JPConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	/**
 	 * Algorithm Alpha-N setting
 	 */
-	setAlgorithm(LM_ALPHA_N_2 PASS_CONFIG_PARAMETER_SUFFIX);
+	setAlgorithm(LM_ALPHA_N PASS_CONFIG_PARAMETER_SUFFIX);
 	setTimingRpmBin(800, 7000 PASS_CONFIG_PARAMETER_SUFFIX);
 
 	/**
diff --git a/firmware/config/engines/dodge_neon.cpp b/firmware/config/engines/dodge_neon.cpp
index fa23391cfc..d70247e07c 100644
--- a/firmware/config/engines/dodge_neon.cpp
+++ b/firmware/config/engines/dodge_neon.cpp
@@ -108,7 +108,7 @@ void setDodgeNeon1995EngineConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 
 	engineConfiguration->trigger.type = TT_DODGE_NEON_1995;
 
-	engineConfiguration->fuelAlgorithm = LM_ALPHA_N_2;
+	engineConfiguration->fuelAlgorithm = LM_ALPHA_N;
 
 //	engineConfiguration->spi2SckMode = PAL_STM32_OTYPE_OPENDRAIN; // 4
 //	engineConfiguration->spi2MosiMode = PAL_STM32_OTYPE_OPENDRAIN; // 4
diff --git a/firmware/config/engines/honda_600.cpp b/firmware/config/engines/honda_600.cpp
index 620ec0ddf9..4f4bfe83c8 100644
--- a/firmware/config/engines/honda_600.cpp
+++ b/firmware/config/engines/honda_600.cpp
@@ -48,7 +48,7 @@ static void setDefaultCustomMaps(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 void setHonda600(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	setDefaultFrankensoConfiguration(PASS_CONFIG_PARAMETER_SIGNATURE);
 	engineConfiguration->trigger.type = TT_HONDA_CBR_600_CUSTOM;
-	engineConfiguration->fuelAlgorithm = LM_ALPHA_N_2;
+	engineConfiguration->fuelAlgorithm = LM_ALPHA_N;
 
 	// upside down wiring
 	engineConfiguration->triggerInputPins[0] = GPIOA_5;
@@ -132,7 +132,7 @@ void setHonda600(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	engineConfiguration->injectionPins[3] = GPIOB_8; // #4
 
 	setDefaultCustomMaps(PASS_CONFIG_PARAMETER_SIGNATURE);
-	setAlgorithm(LM_ALPHA_N_2 PASS_CONFIG_PARAMETER_SUFFIX);
+	setAlgorithm(LM_ALPHA_N PASS_CONFIG_PARAMETER_SUFFIX);
 
 	engineConfiguration->injectionPins[4] = GPIO_UNASSIGNED;
 	engineConfiguration->injectionPins[5] = GPIO_UNASSIGNED;
diff --git a/firmware/controllers/algo/auto_generated_enums.cpp b/firmware/controllers/algo/auto_generated_enums.cpp
index 01bd9ffc9a..dc84b17fa7 100644
--- a/firmware/controllers/algo/auto_generated_enums.cpp
+++ b/firmware/controllers/algo/auto_generated_enums.cpp
@@ -748,8 +748,8 @@ const char *getEngine_load_mode_e(engine_load_mode_e value){
 switch(value) {
 case Force_4_bytes_size_engine_load_mode:
   return "Force_4_bytes_size_engine_load_mode";
-case LM_ALPHA_N_2:
-  return "LM_ALPHA_N_2";
+case LM_ALPHA_N:
+  return "LM_ALPHA_N";
 case LM_MOCK:
   return "LM_MOCK";
 case LM_REAL_MAF:
diff --git a/firmware/controllers/algo/fuel_math.cpp b/firmware/controllers/algo/fuel_math.cpp
index 7e856eb5f9..7e3815cf12 100644
--- a/firmware/controllers/algo/fuel_math.cpp
+++ b/firmware/controllers/algo/fuel_math.cpp
@@ -168,7 +168,7 @@ AirmassModelBase* getAirmassModel(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	switch (CONFIG(fuelAlgorithm)) {
 		case LM_SPEED_DENSITY: return &sdAirmass;
 		case LM_REAL_MAF: return &mafAirmass;
-		case LM_ALPHA_N_2: return &alphaNAirmass;
+		case LM_ALPHA_N: return &alphaNAirmass;
 #if EFI_UNIT_TEST
 		case LM_MOCK: return engine->mockAirmassModel;
 #endif
diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index 5e336ed5ad..941c7cd854 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -456,8 +456,7 @@ typedef enum {
 	 */
 	LM_REAL_MAF = 4,
 
-	// todo: rename after LM_ALPHA_N is removed
-	LM_ALPHA_N_2 = 5,
+	LM_ALPHA_N = 5,
 
 	// This mode is for unit testing only, so that tests don't have to rely on a particular real airmass mode
 	LM_MOCK = 100,
diff --git a/firmware/controllers/generated/rusefi_generated.h b/firmware/controllers/generated/rusefi_generated.h
index 54809063c1..06a7f6d067 100644
--- a/firmware/controllers/generated/rusefi_generated.h
+++ b/firmware/controllers/generated/rusefi_generated.h
@@ -362,7 +362,7 @@
 #define enableVerboseCan2Tx_offset 2116
 #define enableVerboseCanTx_offset 744
 #define engine_configuration_s_size 6000
-#define engine_load_mode_e_auto_enum "INVALID", "INVALID", "INVALID", "LM_SPEED_DENSITY", "LM_REAL_MAF", "LM_ALPHA_N_2", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "LM_MOCK"
+#define engine_load_mode_e_auto_enum "INVALID", "INVALID", "INVALID", "LM_SPEED_DENSITY", "LM_REAL_MAF", "LM_ALPHA_N", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID", "LM_MOCK"
 #define engine_load_mode_e_enum "INVALID", "INVALID", "INVALID", "Speed Density", "MAF Air Charge", "Alpha-N", "INVALID"
 #define ENGINE_MAKE_BMW "BMW"
 #define ENGINE_MAKE_GM "GM"
diff --git a/firmware/controllers/math/engine_math.cpp b/firmware/controllers/math/engine_math.cpp
index 3a608a57ae..f1aef66ec2 100644
--- a/firmware/controllers/math/engine_math.cpp
+++ b/firmware/controllers/math/engine_math.cpp
@@ -67,7 +67,7 @@ float getEngineLoadT(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	switch (engineConfiguration->fuelAlgorithm) {
 	case LM_SPEED_DENSITY:
 		return getMap(PASS_ENGINE_PARAMETER_SIGNATURE);
-	case LM_ALPHA_N_2:
+	case LM_ALPHA_N:
 		return Sensor::get(SensorType::Tps1).value_or(0);
 	case LM_REAL_MAF:
 		return getRealMaf(PASS_ENGINE_PARAMETER_SIGNATURE);