diff --git a/src/driver_iwmtx5.cc b/src/driver_iwmtx5.cc
new file mode 100644
index 0000000..175ae7c
--- /dev/null
+++ b/src/driver_iwmtx5.cc
@@ -0,0 +1,53 @@
+/*
+ Copyright (C) 2023 Fredrik Öhrström (gpl-3.0-or-later)
+
+ 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 3 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"meters_common_implementation.h"
+
+namespace
+{
+    struct Driver : public virtual MeterCommonImplementation
+    {
+        Driver(MeterInfo &mi, DriverInfo &di);
+    };
+
+    static bool ok = registerDriver([](DriverInfo&di)
+    {
+        di.setName("iwmtx5");
+        di.setDefaultFields("name,id,status,total_m3,timestamp");
+
+        di.setMeterType(MeterType::HeatMeter);
+        di.addLinkMode(LinkMode::T1);
+        di.addDetection(MANUFACTURER_BMT, 0x07, 0x18);
+        di.setConstructor([](MeterInfo& mi, DriverInfo& di){ return shared_ptr<Meter>(new Driver(mi, di)); });
+    });
+
+    Driver::Driver(MeterInfo &mi, DriverInfo &di) : MeterCommonImplementation(mi, di)
+    {
+        addOptionalCommonFields("meter_datetime");
+        addOptionalFlowRelatedFields("total_m3");
+
+        addStringField(
+            "status",
+            "Status and error flags.",
+            PrintProperty::STATUS | PrintProperty::INCLUDE_TPL_STATUS);
+    }
+}
+
+// Test: WaterWater iwmtx5 22917370 00000000000000000000000000000000
+// telegram=|5144b4097073912218078c00247a0308400571e9615249ede52eaae09f61908f027c3877f3330ae9079528b23173ce124bcc255393e60b173c0a9f274c42dd92e4b23c14e8a41f042903358df01dd9268ad4|
+// {"id": "22917370","media": "water","meter": "iwmtx5","meter_datetime": "2023-05-11 10:38:24","name": "WaterWater","status": "PERMANENT_ERROR","timestamp": "1111-11-11T11:11:11Z","total_m3": 0.025}
+// |WaterWater;22917370;PERMANENT_ERROR;0.025;1111-11-11 11:11.11