diff --git a/boards/posix/nrf52_bsim/CMakeLists.txt b/boards/posix/nrf52_bsim/CMakeLists.txt
index 19bb7935d888059..6de4b45ce0095fd 100644
--- a/boards/posix/nrf52_bsim/CMakeLists.txt
+++ b/boards/posix/nrf52_bsim/CMakeLists.txt
@@ -1,17 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
-if (NOT DEFINED ENV{BSIM_COMPONENTS_PATH})
-	message(FATAL_ERROR "This board requires the BabbleSim simulator. Please set\
- the  environment variable BSIM_COMPONENTS_PATH to point to its components \
- folder. More information can be found in\
- https://babblesim.github.io/folder_structure_and_env.html")
-endif()
-if (NOT DEFINED ENV{BSIM_OUT_PATH})
-	message(FATAL_ERROR "This board requires the BabbleSim simulator. Please set\
- the environment variable BSIM_OUT_PATH to point to the folder where the\
- simulator is compiled to. More information can be found in\
- https://babblesim.github.io/folder_structure_and_env.html")
-endif()
+include(get_babblesim.cmake)
 
 zephyr_library()
 zephyr_library_compile_definitions(NO_POSIX_CHEATS)
@@ -37,9 +26,9 @@ zephyr_include_directories(soc)
 zephyr_include_directories(cmsis)
 
 zephyr_library_include_directories(
-  $ENV{BSIM_COMPONENTS_PATH}/libUtilv1/src/
-  $ENV{BSIM_COMPONENTS_PATH}/libPhyComv1/src/
-  $ENV{BSIM_COMPONENTS_PATH}/libRandv2/src/
+  ${BSIM_COMPONENTS_PATH}/libUtilv1/src/
+  ${BSIM_COMPONENTS_PATH}/libPhyComv1/src/
+  ${BSIM_COMPONENTS_PATH}/libRandv2/src/
   ${ZEPHYR_BASE}/kernel/include
   ${ZEPHYR_BASE}/arch/posix/include
 )
@@ -48,7 +37,7 @@ zephyr_ld_options(
   -lm
 )
 
-set(libpath $ENV{BSIM_OUT_PATH}/lib)
+set(libpath ${BSIM_OUT_PATH}/lib)
 zephyr_library_import(bsim_libUtilv1      ${libpath}/libUtilv1.32.a)
 zephyr_library_import(bsim_libPhyComv1    ${libpath}/libPhyComv1.32.a)
 zephyr_library_import(bsim_lib2G4PhyComv1 ${libpath}/lib2G4PhyComv1.32.a)
diff --git a/boards/posix/nrf52_bsim/get_babblesim.cmake b/boards/posix/nrf52_bsim/get_babblesim.cmake
new file mode 100644
index 000000000000000..804ba24ba88a969
--- /dev/null
+++ b/boards/posix/nrf52_bsim/get_babblesim.cmake
@@ -0,0 +1,45 @@
+# Copyright (c) 2023 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+# Let's try to find the simulator
+
+zephyr_get(BSIM_COMPONENTS_PATH)
+zephyr_get(BSIM_OUT_PATH)
+
+if ((DEFINED WEST) AND (NOT DEFINED BSIM_COMPONENTS_PATH) AND (NOT DEFINED BSIM_OUT_PATH))
+  # Let's ask west for the bsim_project existence and its path
+  execute_process(COMMAND ${WEST}
+    status babblesim_base
+    OUTPUT_QUIET
+    RESULT_VARIABLE ret_val1)
+  execute_process(COMMAND ${WEST}
+    list babblesim_base -f {posixpath}
+    OUTPUT_VARIABLE BSIM_BASE_PATH
+    RESULT_VARIABLE ret_val2)
+  if (NOT (${ret_val1} OR ${ret_val2}))
+    string(STRIP ${BSIM_BASE_PATH} BSIM_COMPONENTS_PATH)
+    get_filename_component(BSIM_OUT_PATH ${BSIM_COMPONENTS_PATH}/.. ABSOLUTE)
+  endif()
+endif()
+
+message(STATUS "Using BSIM from BSIM_COMPONENTS_PATH=${BSIM_COMPONENTS_PATH}\
+ BSIM_OUT_PATH=${BSIM_OUT_PATH}")
+
+if ((NOT DEFINED BSIM_COMPONENTS_PATH) OR (NOT DEFINED BSIM_OUT_PATH))
+  message(FATAL_ERROR "This board requires the BabbleSim simulator. Please either\n\
+  a) Enable the west babblesim group with\n\
+     west config manifest.group-filter +babblesim && west update\n\
+     and build it with\n\
+     cd ${ZEPHYR_BASE}/../tools/bsim\n\
+      make everything \n\
+     OR\n\
+  b) set the environment variable BSIM_COMPONENTS_PATH to point to your own bsim installation\n\
+     `components/` folder, *and* BSIM_OUT_PATH to point to the folder where the simulator\n\
+     is compiled to.\n\
+     More information can be found in https://babblesim.github.io/folder_structure_and_env.html"
+  )
+endif()
+
+set(ENV{BSIM_COMPONENTS_PATH} ${BSIM_COMPONENTS_PATH})
+set(ENV{BSIM_OUT_PATH} ${BSIM_OUT_PATH})
+