diff --git a/src/main/java/lu/jpt/csparqltest/rentacar/Car.java b/src/main/java/lu/jpt/csparqltest/rentacar/Car.java
index 171589c..0754c3a 100644
--- a/src/main/java/lu/jpt/csparqltest/rentacar/Car.java
+++ b/src/main/java/lu/jpt/csparqltest/rentacar/Car.java
@@ -38,7 +38,10 @@ public class Car {
 	private boolean motorOn;
 	private int motorRpm;
 	private int speed;
-	private double tirePressure;
+	private double tirePressure1;
+	private double tirePressure2;
+	private double tirePressure3;
+	private double tirePressure4;
 
 
 	// Sitzplätze? Reservierungen für X Personen?
@@ -57,7 +60,10 @@ public class Car {
 		this.motorOn = false;
 		this.motorRpm = 0;
 		this.speed = 0;
-		this.tirePressure = (Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
+		this.tirePressure1 = (Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
+		this.tirePressure2 = (Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
+		this.tirePressure3 = (Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
+		this.tirePressure4 = (Car.MIN_TIRE_PRESSURE[carType] + Car.MAX_TIRE_PRESSURE[carType]) / 2.0;
 		// State data
 		this.currentState = CarState.LOCKED;
 		this.currentAction = CarAction.NONE;
@@ -224,7 +230,10 @@ public class Car {
 		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"motorRPM", ""+this.motorRpm+"^^http://www.w3.org/2001/XMLSchema#integer", time));
 		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"speed", ""+this.speed+"^^http://www.w3.org/2001/XMLSchema#integer", time));
 		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"handbrakeEngaged", ""+this.handbrakeEngaged+"^^http://www.w3.org/2001/XMLSchema#boolean", time));
-		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure", ""+this.tirePressure+"^^http://www.w3.org/2001/XMLSchema#double", time));
+		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure1", ""+this.tirePressure1+"^^http://www.w3.org/2001/XMLSchema#double", time));
+		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure2", ""+this.tirePressure2+"^^http://www.w3.org/2001/XMLSchema#double", time));
+		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure3", ""+this.tirePressure3+"^^http://www.w3.org/2001/XMLSchema#double", time));
+		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"tirePressure4", ""+this.tirePressure4+"^^http://www.w3.org/2001/XMLSchema#double", time));
 		this.quads.add(new RdfQuadruple(eventIri, baseOnt+"locked", ""+this.isLocked+"^^http://www.w3.org/2001/XMLSchema#boolean", time));
 	}
 
diff --git a/src/main/java/lu/jpt/csparqltest/rentacar/RentACarSimulation.java b/src/main/java/lu/jpt/csparqltest/rentacar/RentACarSimulation.java
index 44c74ad..e86f434 100644
--- a/src/main/java/lu/jpt/csparqltest/rentacar/RentACarSimulation.java
+++ b/src/main/java/lu/jpt/csparqltest/rentacar/RentACarSimulation.java
@@ -106,7 +106,7 @@ public class RentACarSimulation implements Runnable {
 				+ "PREFIX f: <http://larkc.eu/csparql/sparql/jena/ext#> "
 				+ "PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
 				+ "PREFIX car: <"+RentACarSimulation.BASE_ONTOLOGY_IRI+"> "
-				+ "SELECT ?car ?locked ?on ?speed ?rpm ?handbrake ?tirePressure "
+				+ "SELECT ?car ?locked ?on ?speed ?rpm ?handbrake ?tirePressure1 ?tirePressure2 ?tirePressure3 ?tirePressure4 "
 				+ "FROM STREAM <"+RentACarSimulation.CAR_STREAM_IRI+"> [RANGE 5s STEP 1s] "
 				+ "FROM STREAM <"+RentACarSimulation.DRIVER_STREAM_IRI+"> [RANGE 15s STEP 1s] "
 				+ "WHERE { "
@@ -117,7 +117,10 @@ public class RentACarSimulation implements Runnable {
 				+ " ?e car:speed ?speed . "
 				+ " ?e car:motorRPM ?rpm . "
 				+ " ?e car:handbrakeEngaged ?handbrake . "
-				+ " ?e car:tirePressure ?pressure . "
+				+ " ?e car:tirePressure1 ?pressure1 . "
+				+ " ?e car:tirePressure2 ?pressure2 . "
+				+ " ?e car:tirePressure3 ?pressure3 . "
+				+ " ?e car:tirePressure4 ?pressure4 . "
 				+ "}";
 	}