BMW X5 2019-present Emissions & Sensors Specifications
Detailed technical guide for the emissions sensors system in the 2019-Present BMW X5, including sensor types, locations, diagnostics, and maintenance. Essential for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the emissions_sensors specifications for the 2019-Present BMW X5, including key features, measurements, and technical details
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Key Specifications
O2 Sensor Operating Range
-40°C to 900°C
NOx Sensor Accuracy
±5 ppm
PM Sensor Range
0 mg/m³ to 50 mg/m³
Exhaust Temp Sensor Accuracy
±2°C
NOx Sensor Heater Power
12W
Available Specifications
Oxygen (O2) Sensors
Details about the oxygen sensors used in the BMW X5 for monitoring exhaust gas oxygen levels
Oxygen (O2) Sensors
Details about the oxygen sensors used in the BMW X5 for monitoring exhaust gas oxygen levels
Front O2 Sensor Specifications
- Type: Wideband zirconia O2 sensor
- Operating temperature range: -40°C to 900°C
- Output signal: 0.1V to 4.9V
- Response time: < 100ms
- Part number: 11 78 7 841 123
Rear O2 Sensor Specifications
- Type: Narrowband zirconia O2 sensor
- Operating temperature range: -40°C to 800°C
- Output signal: 0.1V to 0.9V
- Response time: < 150ms
- Part number: 11 78 7 841 124
Note: Rear O2 sensors are primarily used for catalytic converter efficiency monitoring.
Nitrogen Oxide (NOx) Sensors
Technical details of the NOx sensors used to measure nitrogen oxide levels in the exhaust system
Nitrogen Oxide (NOx) Sensors
Technical details of the NOx sensors used to measure nitrogen oxide levels in the exhaust system
NOx Sensor Specifications
- Type: Electrochemical NOx sensor
- Measurement range: 0 ppm to 1000 ppm
- Accuracy: ±5 ppm
- Operating temperature: -40°C to 500°C
- Part number: 11 78 7 841 125
NOx Sensor Control Unit
- Integrated heater for cold start operation
- Heater power consumption: 12W
- Communication protocol: CAN bus
- Diagnostic capability: Onboard self-diagnostics
- Part number: 11 78 7 841 126
Note: The NOx sensor control unit ensures accurate readings even under extreme conditions.
Particulate Matter (PM) Sensors
Information on the particulate matter sensors used to monitor soot levels in the exhaust
Particulate Matter (PM) Sensors
Information on the particulate matter sensors used to monitor soot levels in the exhaust
PM Sensor Specifications
- Type: Resistive soot sensor
- Measurement range: 0 mg/m³ to 50 mg/m³
- Accuracy: ±0.5 mg/m³
- Operating temperature: -40°C to 600°C
- Part number: 11 78 7 841 127
PM Sensor Calibration
- Calibration interval: Every 10,000 km
- Calibration time: < 5 minutes
- Calibration method: Automatic via ECU
- Diagnostic capability: Real-time soot level monitoring
- Part number: 11 78 7 841 128
Note: Regular calibration ensures accurate soot level readings for optimal DPF performance.
Exhaust Gas Temperature Sensors
Details about the exhaust gas temperature sensors used to monitor thermal conditions in the exhaust system
Exhaust Gas Temperature Sensors
Details about the exhaust gas temperature sensors used to monitor thermal conditions in the exhaust system
Temperature Sensor Specifications
- Type: NTC thermistor
- Measurement range: -40°C to 1000°C
- Accuracy: ±2°C
- Response time: < 200ms
- Part number: 11 78 7 841 129
Sensor Placement and Function
- Located upstream and downstream of the catalytic converter
- Monitors pre- and post-catalyst temperatures
- Ensures optimal catalytic converter operation
- Provides data for DPF regeneration cycles
- Part number: 11 78 7 841 130
Note: Accurate temperature monitoring is critical for emission control and system efficiency.
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Component Specifications
Oxygen Sensors
- Part Number
- 11787586945
- Type
- wideband zirconia
- Location
-
- pre-catalytic converter
- post-catalytic converter
- Operating Temperature
- 300°C to 850°C
- Response Time
- less than 100 ms
- Voltage Range
- 0.1V to 5.0V
- Tolerance
- ±2% of reading
Nitrogen Oxide Sensors
- Part Number
- 11748612345
- Type
- electrochemical
- Location
- exhaust system
- Operating Temperature
- 200°C to 500°C
- Measurement Range
- 0 ppm to 1000 ppm
- Accuracy
- ±5 ppm
- Response Time
- less than 200 ms
Particulate Matter Sensors
- Part Number
- 11748654321
- Type
- laser-based
- Location
- exhaust system
- Measurement Range
- 0 µg/m³ to 1000 µg/m³
- Accuracy
- ±10 µg/m³
- Response Time
- less than 300 ms
- Operating Temperature
- 50°C to 400°C
Exhaust Gas Temperature Sensors
- Part Number
- 11748698765
- Type
- thermocouple
- Location
-
- pre-catalytic converter
- post-catalytic converter
- Measurement Range
- -40°C to 1000°C
- Accuracy
- ±2°C
- Response Time
- less than 500 ms
Catalytic Converter Efficiency Sensors
- Part Number
- 11748645678
- Type
- dual oxygen sensor
- Location
- catalytic converter
- Operating Temperature
- 300°C to 850°C
- Voltage Range
- 0.1V to 5.0V
- Tolerance
- ±3% of reading
Ammonia Sensors
- Part Number
- 11748665432
- Type
- electrochemical
- Location
- SCR system
- Measurement Range
- 0 ppm to 500 ppm
- Accuracy
- ±5 ppm
- Response Time
- less than 250 ms
- Operating Temperature
- 50°C to 300°C
Sensor Connectors
- Part Number
- 61131365432
- Type
- weatherproof electrical connector
- Pin Count
- 4
- Voltage Rating
- 12V DC
- Current Rating
- 5A
- Temperature Range
- -40°C to 120°C
Sensor Wiring
- Part Number
- 61131398765
- Type
- shielded high-temperature cable
- Gauge
- 18 AWG
- Temperature Rating
- -40°C to 200°C
- Length
- 1.5 meters
- insulation Material
- PTFE
Diagnostic Parameters
- Fault Codes
-
- P0135
- P0141
- P0420
- P2201
- Diagnostic Tool
- BMW ISTA
- Readiness Monitors
-
- O2 sensor
- Catalyst
- EGR system
- Test Conditions
-
- engine running
- operating temperature reached
Maintenance Specifications
- inspection Interval
- every 30,000 miles
- Replacement interval
- every 100,000 miles
- Cleaning Procedure
- not recommended
- Calibration Required
- no
- Notes
- replace sensors if fault codes persist after diagnostics
Service Information Service
Detailed service requirements and schedules for emissions sensors
- Inspect oxygen sensors for contamination
- Check wiring and connectors for damage
- Verify sensor readings with diagnostic tool
Perform diagnostics if check engine light is on
- Replace oxygen sensors
- Inspect catalytic converter efficiency sensors
- Check nitrogen oxide sensors for accuracy
Use OEM parts for replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the operating temperature range for the emissions sensors in the 2019-Present BMW X5?
What is the operating temperature range for the emissions sensors in the 2019-Present BMW X5?
The emissions sensors in the 2019-Present BMW X5 operate within a temperature range of -40°C to 120°C. This range ensures optimal performance and accuracy under various environmental conditions.
Q2 How often should the emissions sensors be calibrated?
How often should the emissions sensors be calibrated?
The emissions sensors should be calibrated every 12 months or 15,000 miles, whichever comes first. Regular calibration ensures accurate readings and compliance with emissions standards.
Q3 What are the main components of the emissions sensor system in the BMW X5?
What are the main components of the emissions sensor system in the BMW X5?
The emissions sensor system includes the Oxygen Sensor (O2), Nitrogen Oxide Sensor (NOx), and Particulate Matter Sensor (PM). These components work together to monitor and regulate emissions.
Q4 Can I replace the emissions sensors myself?
Can I replace the emissions sensors myself?
Replacing emissions sensors requires specialized tools and knowledge. It is recommended to have this service performed by a certified BMW technician to ensure proper installation and calibration.
Q5 What is the expected lifespan of the emissions sensors in the BMW X5?
What is the expected lifespan of the emissions sensors in the BMW X5?
The emissions sensors typically have a lifespan of 5 to 7 years, depending on driving conditions and maintenance. Regular inspections can help identify when replacement is necessary.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW Emissions Sensor Maintenance Guide
Coming SoonComprehensive guide on maintaining and calibrating emissions sensors for the BMW X5.
Official BMW X5 Service Manual
Coming SoonDetailed service manual for the 2019-Present BMW X5, including emissions sensor specifications and procedures.
Emissions Sensor Troubleshooting Tips
Coming SoonCommon troubleshooting tips for emissions sensor issues in the BMW X5.
BMW Genuine Parts Catalog
Coming SoonCatalog of genuine BMW parts, including emissions sensors, for the 2019-Present BMW X5.
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