BMW X1 2009-2015 Emissions & Sensors Specifications
Explore the detailed technical specifications for the emissions sensors system in the 2009-2015 BMW X1, including O2 sensors, NOx sensors, and particulate matter sensors. Learn about their integration with the ECU and emissions control systems.
Overview Specifications
Comprehensive description of the emissions_sensors specifications for the 2009-2015 BMW X1, including key features, measurements, and technical details. This section covers the functionality, technical specifications, and maintenance guidelines for the emissions sensors, ensuring optimal vehicle performance and compliance with emissions standards.
How to Use
Use the search function to locate specific emissions_sensors specifications by entering keywords such as 'O2 sensor', 'NOx sensor', or 'temperature range'. Use exact terms for precise results.
Navigate through the emissions_sensors documentation by selecting the relevant section from the table of contents. Each section is organized by sensor type, technical specifications, and diagnostic procedures.
Key Specifications
O2 Sensor Voltage Range
0.1V to 0.9V
NOx Sensor Measurement Range
0-2000 ppm
Exhaust Gas Temperature Range
-40°C to 1000°C
O2 Sensor Heater Resistance
6-10 ohms
NOx Sensor Heater Power
12W
Available Specifications
Oxygen (O2) Sensors
This section provides detailed information about the oxygen sensors used in the 2009-2015 BMW X1, including their location, functionality, and technical specifications.
Oxygen (O2) Sensors
This section provides detailed information about the oxygen sensors used in the 2009-2015 BMW X1, including their location, functionality, and technical specifications.
O2 Sensor Functionality
- Monitors oxygen levels in the exhaust gases
- Provides real-time feedback to the Engine Control Unit (ECU)
- Ensures optimal air-fuel ratio for combustion
- Supports compliance with emissions regulations
Technical Specifications
- Operating temperature range: -40°C to 900°C
- Voltage output range: 0.1V to 0.9V
- Response time: <100ms
- Sensor lifespan: ~100,000 miles
- Heater resistance: 6-10 ohms
Note: Ensure proper heater circuit functionality to avoid sensor failure.
Nitrogen Oxide (NOx) Sensors
This section covers the NOx sensors used in the 2009-2015 BMW X1, including their role in reducing harmful emissions and their technical specifications.
Nitrogen Oxide (NOx) Sensors
This section covers the NOx sensors used in the 2009-2015 BMW X1, including their role in reducing harmful emissions and their technical specifications.
NOx Sensor Functionality
- Measures nitrogen oxide levels in the exhaust
- Supports Selective Catalytic Reduction (SCR) system
- Provides data for AdBlue injection control
- Ensures compliance with Euro 5 and Euro 6 standards
Technical Specifications
- Operating temperature range: -40°C to 500°C
- Measurement range: 0-2000 ppm
- Accuracy: ±5% of reading
- Sensor lifespan: ~75,000 miles
- Heater power consumption: 12W
Note: Regularly check for contamination to maintain sensor accuracy.
Exhaust Gas Temperature Sensors
This section details the exhaust gas temperature sensors used in the 2009-2015 BMW X1, including their purpose and technical specifications.
Exhaust Gas Temperature Sensors
This section details the exhaust gas temperature sensors used in the 2009-2015 BMW X1, including their purpose and technical specifications.
Temperature Sensor Functionality
- Monitors exhaust gas temperature for catalytic converter protection
- Prevents overheating of exhaust components
- Supports diesel particulate filter regeneration
- Provides data for engine management systems
Technical Specifications
- Operating temperature range: -40°C to 1000°C
- Accuracy: ±2°C
- Response time: <1 second
- Sensor lifespan: ~150,000 miles
- Resistance range: 100-1000 ohms
Note: Ensure proper thermal insulation to avoid sensor damage.
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Component Specifications
Oxygen Sensors
- Part Number
- 11787558025
- Type
- Zirconia O2 sensor
- Location
- Pre-catalytic converter and post-catalytic converter
- Operating Temperature
- 300°C to 850°C
- Response Time
- Less than 100 ms
- Voltage Range
- 0.1V to 0.9V
- Tolerance
- ±0.02V
- Cross Reference
- Engine Control Unit (ECU), catalytic converter
Nitrogen Oxide Sensors
- Part Number
- 11747838574
- Type
- NOx sensor
- Location
- Exhaust system, downstream of catalytic converter
- Operating Temperature
- 200°C to 900°C
- Measurement Range
- 0 ppm to 1000 ppm
- Accuracy
- ±5 ppm
- Response Time
- Less than 500 ms
- Cross Reference
- Selective Catalytic Reduction (SCR) system
Mass Air Flow Sensor
- Part Number
- 13627563172
- Type
- Hot-film air mass sensor
- Location
- Intake air duct
- Measurement Range
- 0 kg/h to 600 kg/h
- Accuracy
- ±2% of reading
- Operating Temperature
- -40°C to 120°C
- Cross Reference
- Engine Control Unit (ECU), intake manifold
Exhaust Gas Temperature Sensor
- Part Number
- 11747838573
- Type
- Thermocouple-based sensor
- Location
- Pre-catalytic converter and post-catalytic converter
- Measurement Range
- -40°C to 1000°C
- Accuracy
- ±5°C
- Response Time
- Less than 2 seconds
- Cross Reference
- Catalytic converter, oxygen sensors
Catalytic Converter Efficiency Sensor
- Part Number
- 11787558026
- Type
- O2 sensor-based efficiency monitor
- Location
- Post-catalytic converter
- Operating Temperature
- 300°C to 850°C
- Voltage Range
- 0.1V to 0.9V
- Tolerance
- ±0.02V
- Cross Reference
- Oxygen sensors, Engine Control Unit (ECU)
Differential Pressure Sensor
- Part Number
- 11747838575
- Type
- Piezoresistive sensor
- Location
- Diesel Particulate Filter (DPF)
- Measurement Range
- 0 kPa to 50 kPa
- Accuracy
- ±0.5 kPa
- Operating Temperature
- -40°C to 150°C
- Cross Reference
- DPF, Engine Control Unit (ECU)
Fuel Tank Pressure Sensor
- Part Number
- 16137183745
- Type
- Absolute pressure sensor
- Location
- Fuel tank
- Measurement Range
- 0 kPa to 150 kPa
- Accuracy
- ±1 kPa
- Operating Temperature
- -40°C to 120°C
- Cross Reference
- Evaporative Emission Control System (EVAP)
Evaporative Emission System Sensor
- Part Number
- 16137183746
- Type
- Pressure sensor
- Location
- EVAP system
- Measurement Range
- -10 kPa to 10 kPa
- Accuracy
- ±0.2 kPa
- Operating Temperature
- -40°C to 120°C
- Cross Reference
- Fuel tank pressure sensor, Engine Control Unit (ECU)
Ambient Air Temperature Sensor
- Part Number
- 65816933901
- Type
- NTC thermistor
- Location
- Front bumper area
- Measurement Range
- -40°C to 80°C
- Accuracy
- ±1°C
- Response Time
- Less than 10 seconds
- Cross Reference
- Climate control system, Engine Control Unit (ECU)
Engine Coolant Temperature Sensor
- Part Number
- 13621433076
- Type
- NTC thermistor
- Location
- Engine coolant outlet
- Measurement Range
- -40°C to 140°C
- Accuracy
- ±2°C
- Response Time
- Less than 5 seconds
- Cross Reference
- Engine Control Unit (ECU), cooling system
Service Information Service
Detailed service requirements and schedules for emissions sensors
- Inspect oxygen sensors for contamination or damage
- Check NOx sensor readings for accuracy
- Verify mass air flow sensor functionality
- Inspect exhaust gas temperature sensor connections
Replace sensors if readings are out of tolerance or physical damage is detected
- Replace oxygen sensors as preventive maintenance
- Test catalytic converter efficiency sensor
- Inspect differential pressure sensor for clogging
- Check evaporative emission system sensor for leaks
Use BMW-approved diagnostic tools for sensor testing and replacement
- Replace NOx sensor as preventive maintenance
- Inspect all sensor wiring harnesses for wear or corrosion
- Test fuel tank pressure sensor for accuracy
- Verify ambient air temperature sensor readings
Ensure all sensors are calibrated according to BMW specifications
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the function of the NOx sensor in the BMW X1 emissions system?
What is the function of the NOx sensor in the BMW X1 emissions system?
The NOx (Nitrogen Oxide) sensor monitors the levels of nitrogen oxides in the exhaust gases. It provides real-time data to the Engine Control Unit (ECU) to optimize the Selective Catalytic Reduction (SCR) system, ensuring compliance with Euro 5 and Euro 6 emissions standards. The sensor operates at temperatures up to 900°C and has a response time of less than 1 second.
Q2 How often should the oxygen (O2) sensor be replaced in a BMW X1?
How often should the oxygen (O2) sensor be replaced in a BMW X1?
The oxygen (O2) sensor in the BMW X1 typically has a lifespan of 60,000 to 90,000 miles. However, it should be inspected during routine maintenance and replaced if fault codes such as P0130 (O2 Sensor Circuit Malfunction) or P0150 (O2 Sensor Circuit Slow Response) are detected. Using genuine BMW parts ensures optimal performance and longevity.
Q3 What are the symptoms of a failing emissions sensor in a BMW X1?
What are the symptoms of a failing emissions sensor in a BMW X1?
Symptoms of a failing emissions sensor include increased fuel consumption, rough idling, illuminated Check Engine Light (CEL), and failed emissions tests. Specific fault codes such as P0420 (Catalyst System Efficiency Below Threshold) or P229F (NOx Sensor Circuit Range/Performance) may also indicate sensor issues. Immediate diagnosis and replacement are recommended to avoid further damage.
Q4 Can I replace the emissions sensors myself, or should I consult a professional?
Can I replace the emissions sensors myself, or should I consult a professional?
While it is possible to replace emissions sensors yourself, it is highly recommended to consult a professional technician. The sensors are located in hard-to-reach areas and require specialized tools for proper installation. Incorrect installation can lead to engine damage, voided warranties, and non-compliance with emissions regulations.
Q5 What is the voltage range for the oxygen (O2) sensor in the BMW X1?
What is the voltage range for the oxygen (O2) sensor in the BMW X1?
The oxygen (O2) sensor in the BMW X1 operates within a voltage range of 0.1V to 0.9V. A reading below 0.45V indicates a lean fuel mixture, while a reading above 0.45V indicates a rich mixture. The sensor should switch between these values rapidly during normal operation, typically 1-2 times per second at idle.
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 X1 Emissions System Overview
Coming SoonDetailed guide on the emissions system components, including sensors, catalytic converters, and SCR systems for the 2009-2015 BMW X1.
NOx Sensor Replacement Procedure
Coming SoonStep-by-step instructions for replacing the NOx sensor in the BMW X1, including torque specifications and safety precautions.
O2 Sensor Diagnostic Codes
Coming SoonComprehensive list of diagnostic trouble codes (DTCs) related to the oxygen (O2) sensor and their meanings for the BMW X1.
BMW X1 Emissions Compliance Guide
Coming SoonInformation on how the BMW X1 meets Euro 5 and Euro 6 emissions standards, including the role of emissions sensors.
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